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Contents
- The climate of Tokyo
- The best time to visit Tokyo
- The worst time to visit Tokyo
- Spring weather in Tokyo
- Summer weather in Tokyo
- Autumn weather in Tokyo
- Winter weather in Tokyo
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average sea temperature
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
The cityscape of Tokyo, Japan, taken at dusk
The climate of Tokyo
Perched on the eastern coast of Japan's largest island, Honshu, Tokyo boasts a subtropical climate according to the Köppen classification. The city experiences humid subtropical conditions defined by humidity, heat, and rainfall across all months. Within the annual weather cycle, diverse climate parameters manifest variations as months elapse.
Throughout Tokyo's weather patterns, temperature highs range from 8.9°C (48°F) in January to a peak of 31°C (87.8°F) in August. Meanwhile, lows fluctuate from a minimum of 2.8°C (37°F) in January to the highest of 25.1°C (77.2°F) in August. A constant presence, relative humidity occupies a space between 59% and 77%, reflecting the city's humid subtropical climate.
Rainfall patterns span from 22mm (0.87") in February to 51mm (2.01") in October, while snowfall decreases from 21mm (0.83") in February to zero from April to December. Where sunlight is concerned, Tokyo enjoys daylight ranging from 9.8 hours in December to 14.5 hours in June. At the same time, the sea temperature entirely depends on the time of year, oscillating from 14°C (57.2°F) in February to 25.7°C (78.3°F) in August.
Fascinatingly, wind speeds vary, with significant changes observed between 12.2km/h (7.6mph) during June and a maximum of 15.3km/h (9.5mph) in April. Alongside these variations, the city encounters a moderate UV index, predominantly within the category of three to seven, warranting protective measures during outdoor activities.
Throughout Tokyo's weather patterns, temperature highs range from 8.9°C (48°F) in January to a peak of 31°C (87.8°F) in August. Meanwhile, lows fluctuate from a minimum of 2.8°C (37°F) in January to the highest of 25.1°C (77.2°F) in August. A constant presence, relative humidity occupies a space between 59% and 77%, reflecting the city's humid subtropical climate.
Rainfall patterns span from 22mm (0.87") in February to 51mm (2.01") in October, while snowfall decreases from 21mm (0.83") in February to zero from April to December. Where sunlight is concerned, Tokyo enjoys daylight ranging from 9.8 hours in December to 14.5 hours in June. At the same time, the sea temperature entirely depends on the time of year, oscillating from 14°C (57.2°F) in February to 25.7°C (78.3°F) in August.
Fascinatingly, wind speeds vary, with significant changes observed between 12.2km/h (7.6mph) during June and a maximum of 15.3km/h (9.5mph) in April. Alongside these variations, the city encounters a moderate UV index, predominantly within the category of three to seven, warranting protective measures during outdoor activities.
The best time to visit Tokyo
Based on an assessment of climate parameters, the most favorable period to visit Tokyo emerges between March and May. During these spring months, tourists can appreciate the cherry blossom season under the glowing sun, which shines between 12 hours to 14 hours daily. Meanwhile, temperatures remain enjoyable, gracefully transitioning from highs of 13°C (55.4°F) in March to 22.8°C (73°F) in May and lows between 6.2°C (43.2°F) to 16.1°C (61°F).
The worst time to visit Tokyo
On the contrary, July through September tends to be the least enticing period for a Tokyo visit. These months mark the city's summer season, characterized by intense temperatures that touch a scorching high of 31°C (87.8°F) in August and highs of 29.3°C (84.7°F) and 26.8°C (80.2°F) in July and September, respectively. Along with the heat, these months bring relative humidity of up to 77%, thereby increasing the overall discomfort.
Spring weather in Tokyo
During the spring season from March to May, Tokyo enjoys mild weather. An increase in daylight hours from 12 in March to 14.5 in June heralds the warm sunshine, providing a splendid backdrop for the cherry blossom spectacle. Temperatures begin to ascend, with highs swinging between 13°C (55.4°F) and 22.8°C (73°F) and lows moving from 6.2°C (43.2°F) to 16.1°C (61°F).
Summer weather in Tokyo
Home to high temperatures and humidity, Tokyo's summer spans June to September. June commences the warm months with a high of 25.1°C (77.2°F), which stretches to a fiery 31°C (87.8°F) in August. Correspondingly, the rise in temperature is mirrored by an increase in humidity levels, which peak at 77% in July. Despite the heat and humidity, Tokyo also experiences the most rainfall during these months, with totals landing at 49mm (1.93") in June and 48mm (1.89") in July.
Autumn weather in Tokyo
Autumn graces Tokyo between October and December, bringing a reduction in temperature and humidity. This period experiences comfortable highs from 21.6°C (70.9°F) in October to 11.2°C (52.2°F) in December, while lows occur within a bracket extending from 16.3°C (61.3°F) to 5.9°C (42.6°F). This season receives rainfall measuring from 51mm (2.01") in October to 21mm (0.83") in December.
Winter weather in Tokyo
Winter descends upon Tokyo from January to February, filling the city with cold temperatures and snowfall. While January witnesses a high of 8.9°C (48°F) and a low of 2.8°C (37°F), February warms up slightly with a high temperature of 9.8°C (49.6°F) and a low of 3.5°C (38.3°F). The city also encounters snowfall during these months, receiving 5mm (0.2") and 21mm (0.83") in January and February, respectively.
Weather in January
January weather offers a chilly start to the year in Tokyo, Japan. It can be characterized by a high relative humidity of 59% and low average temperatures dropping to 2.8°C (37°F), which can lead to snowfall, but in minimal quantities of 5mm (0.2") spread across 1.3 days. Weather in January »
Weather in February
In February, Tokyo experiences a slight increase in temperature, though cold winter conditions persist. Comparing February to January, the city registers a 26% increase in snowfall, to a total of 21mm (0.83"). As February progresses, the days start getting longer, allowing the sun to penetrate the wintery veil of the city. Weather in February »
Weather in March
The first month of the spring, March, is a moderate month in Tokyo, Japan, with temperature in the range of an average high of 13°C (55.4°F) and an average low of 6.2°C (43.2°F). Tokyo observes a slight uplift in the average high-temperature with the onset of March, adjusting from February's frosty 9.8°C (49.6°F) to a moderate 13°C (55.4°F). Weather in March »
Weather in April
Continuing the graceful transition from spring, April brings in warmer weather in Tokyo. Compared to March, the city records a decrease in rainfall, making the waning spring a delightful experience. Mild temperatures enhance outdoor activities, while the charming spring flora continues to bloom. Weather in April »
Weather in May
Expect May in Tokyo to showcase moderate temperatures, but mark the city’s transition into early summer. The heat begins to escalate this month, with average high temperatures surging to a significant 22.8°C (73°F). Pleasant May afternoons lend itself well for leisurely pursuits, such as strolling in parks and exploring outdoor food festivals. Weather in May »
Weather in June
June brings the onset of monsoon in Tokyo with an accompanying increase in humidity. Contrasting June with May, the humidity rises from 69% to 76%, marking the highest jump in the year. Despite increased rain and cloud cover, the month is characterized by warm temperatures throughout. Weather in June »
Weather in July
July is the peak of summer in Tokyo, bringing the city's highest temperatures. With the temperature soaring to a high of 29.3°C (84.7°F), the days can get pretty hot in the sprawling urban landscape. However, as July rolls on, the frequency of rain gradually decreases, providing respite from the hot weather. Weather in July »
Weather in August
August continues with the high summer heat in Tokyo, although there's a slight dip in temperature from July. An exceptionally warm sea temperature at 25.7°C (78.3°F) makes beach excursions enjoyable activities for August. Evenings bring a comforting breeze as the city prepares to bid goodbye to high summer temperatures. Weather in August »
Weather in September
September signifies the onset of autumn in Tokyo, bringing with it a noticeable drop in temperature. It's a rain-filled month, with a significant 46mm (1.81") rainfall experienced across 12.5 days. The city starts cooling down, painting a picturesque backdrop as leaves turn to vibrant shades of red and orange. Weather in September »
Weather in October
October brings a further drop in temperatures, intensifying the autumn's allure in Tokyo. Compared with September, rainfall increases to its highest point at 51mm (2.01"), with precipitation spread across 13.2 days. The city is dressed in shades of crimson and gold, creating a vibrant autumn scenery. Weather in October »
Weather in November
November witnesses Tokyo’s transition into the cold winter season. The winter chill starts to set in with temperatures falling down to a cooler average low of 10.9°C (51.6°F). Autumn continues unabated, albeit with a palpable hint of the oncoming winter. Weather in November »
Weather in December
December is the harbinger of winter in Tokyo, bringing to the city its coldest days. The city braces for winter with the minimum temperature dropping to 5.9°C (42.6°F) during the month. Despite being a winter month, December sees a reduction in rainfall, causing the city stress to lighten up in preparation for the end-of-year festivities. Weather in December »
Updated: Jan 31, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest in Tokyo?
With an average high-temperature of 8.9°C (48°F) and an average low-temperature of 2.8°C (37°F), January is the coldest month in Tokyo.
What is the least humid month in Tokyo?
The least humid month is January, with an average relative humidity of 59%.
How much does it rain in Tokyo?
In Tokyo, Japan, during the entire year, the rain falls for 134.5 days and collects up to 425mm (16.73") of precipitation.
When does it snow in Tokyo?
Months with snowfall are January through March.
How many days does it snow in Tokyo?
Throughout the year, there are 4 snowfall days, and 27mm (1.06") of snow is accumulated.
When is the lowest UV index in Tokyo?
January through March, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Tokyo, Japan.
What is the snowiest month in Tokyo?
February is the month with the most snowfall in Tokyo, Japan. Snow falls for 2.3 days and accumulates 21mm (0.83") of snow.
What month is the sea coldest in Tokyo?
The month with the coldest seawater in Tokyo, Japan, is February, with an average sea temperature of 14°C (57.2°F).
What is the month with the least sunshine in Tokyo?
The month with the least sunshine in Tokyo, Japan, is February, with an average of 5.8h of sunshine.
When it does not snow in Tokyo?
April through December are months without snowfall in Tokyo.
When are the longest days in Tokyo?
June has the longest days of the year in Tokyo, Japan, with an average of 14h and 30min of daylight.
What is the most humid month in Tokyo?
The most humid month in Tokyo, Japan, is July, with an average relative humidity of 77%.
When is the highest UV index in Tokyo?
With an average maximum UV index of 7, July is the month with the highest UV index.
What is the warmest month in Tokyo?
In Tokyo, the peak temperatures are generally noted in August, averaging a high of 31°C (87.8°F) and a low of 25.1°C (77.2°F).
What is the month with the warmest sea water in Tokyo?
August is the month with the warmest seawater in Tokyo, Japan, with an average sea temperature of 25.7°C (78.3°F).
What month has the most sunshine in Tokyo?
With an average of 10.3h of sunshine, August has the most sunshine of the year.
What is the wettest month in Tokyo?
The month with the most rainfall in Tokyo, Japan, is October, when the rain falls for 13.2 days and typically aggregates up to 51mm (2.01") of precipitation.
What is the driest month in Tokyo?
December is the month with the least rainfall. Rain falls for 8.8 days and accumulates 21mm (0.83") of precipitation.
What is the month with the shortest days in Tokyo?
December has the shortest days of the year, with an average of 9h and 48min of daylight.
Is there Daylight Saving Time (DST) in Tokyo?
Tokyo, Japan, does not observe Daylight Saving Time (DST). JST timezone is used throughout the entire year.
Average temperature
Tokyo, Japan
The warmest month (with the highest average high temperature) is August (31°C).
The month with the lowest average high temperature is January (8.9°C).
The month with the highest average low temperature is August (25.1°C).
The coldest month (with the lowest average low temperature) is January (2.8°C).
Average pressure
Tokyo, Japan
- Average pressure in January:
1016.3mbar - Average pressure in February:
1017.2mbar - Average pressure in March:
1015.5mbar - Average pressure in April:
1014.2mbar - Average pressure in May:
1012mbar - Average pressure in June:
1009.2mbar
- Average pressure in July:
1009.8mbar - Average pressure in August:
1010.2mbar - Average pressure in September:
1013.5mbar - Average pressure in October:
1016.6mbar - Average pressure in November:
1018.1mbar - Average pressure in December:
1016.3mbar
The month with the highest atmospheric pressure is November (1018.1mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).
Average wind speed
Tokyo, Japan
- Average wind speed in January:
13.5km/h - Average wind speed in February:
14.4km/h - Average wind speed in March:
14.9km/h - Average wind speed in April:
15.3km/h - Average wind speed in May:
13.9km/h - Average wind speed in June:
12.2km/h
- Average wind speed in July:
13km/h - Average wind speed in August:
12.5km/h - Average wind speed in September:
12.4km/h - Average wind speed in October:
13.6km/h - Average wind speed in November:
12.1km/h - Average wind speed in December:
12.9km/h
The windiest month (with the highest average wind speed) is April (15.3km/h).
The calmest month (with the lowest average wind speed) is November (12.1km/h).
Average humidity
Tokyo, Japan
The month with the highest relative humidity is July (77%).
The month with the lowest relative humidity is January (59%).
Average rainfall
Tokyo, Japan
The wettest month (with the highest rainfall) is October (51mm).
The driest month (with the least rainfall) is December (21mm).
Average rainfall days
Tokyo, Japan
- Average rainfall days in January:
7.3 days - Average rainfall days in February:
9.6 days - Average rainfall days in March:
14.3 days - Average rainfall days in April:
12.8 days - Average rainfall days in May:
10.3 days - Average rainfall days in June:
13.3 days
- Average rainfall days in July:
12.2 days - Average rainfall days in August:
9.7 days - Average rainfall days in September:
12.5 days - Average rainfall days in October:
13.2 days - Average rainfall days in November:
10.5 days - Average rainfall days in December:
8.8 days
The month with the highest number of rainy days is March (14.3 days).
The month with the least rainy days is January (7.3 days).
Average snowfall
Tokyo, Japan
The month with the highest snowfall is February (21mm).
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days
Tokyo, Japan
- Average snowfall days in January:
1.3 days - Average snowfall days in February:
2.3 days - Average snowfall days in March:
0.3 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0 days - Average snowfall days in December:
0.1 days
The month with the highest number of snowfall days is February (2.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average sea temperature
Tokyo, Japan
The best month for swimming (with the highest average sea temperature) is August (25.7°C).
The coldest month (with the lowest average sea temperature) is February (14°C).
Average daylight / Average sunshine
Tokyo, Japan
- Average daylight in January:
10h and 1min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 1min - Average daylight in June:
14h and 3min
- Average daylight in July:
14h and 2min - Average daylight in August:
13h and 3min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 2min - Average daylight in November:
10h and 2min - Average daylight in December:
9h and 5min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in January:
6h and 3min - Average sunshine in February:
5h and 5min - Average sunshine in March:
6h and 4min - Average sunshine in April:
9h and 0min - Average sunshine in May:
9h and 3min - Average sunshine in June:
8h and 5min
- Average sunshine in July:
9h and 4min - Average sunshine in August:
10h and 2min - Average sunshine in September:
8h and 1min - Average sunshine in October:
6h and 5min - Average sunshine in November:
6h and 0min - Average sunshine in December:
6h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 5h and 48min).
Average sunshine days
Tokyo, Japan
- Average sunshine days in January:
21.8 days - Average sunshine days in February:
16.3 days - Average sunshine days in March:
14.6 days - Average sunshine days in April:
14.8 days - Average sunshine days in May:
18.8 days - Average sunshine days in June:
14.4 days
- Average sunshine days in July:
17.8 days - Average sunshine days in August:
19.1 days - Average sunshine days in September:
14.8 days - Average sunshine days in October:
15 days - Average sunshine days in November:
16.9 days - Average sunshine days in December:
20.3 days
The month with the most sunshine days is January (21.8 days).
The month with the least sunshine days is June (14.4 days).
Average UV index
Tokyo, Japan
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, March, November and December (UV index 3).
Average cloud cover
Tokyo, Japan
The months with the most cloud cover are June and October (Cloud cover 43).
The month with the least cloud cover is January (Cloud cover 28).
Average visibility
Tokyo, Japan
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Tokyo, Japan
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