Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average sea temperature in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
The lowest temperatures are recorded in January, with averages reaching a high of 8.5°C (47.3°F) and a low of 3.2°C (37.8°F).Humidity
With an average relative humidity of 65%, January is the least humid month in Hamamatsu.Rainfall
January is the month with the least rainfall in Hamamatsu. Rain falls for 5.9 days and accumulates 37mm (1.46") of precipitation.Snowfall
In Hamamatsu, Japan, snow does not fall in January, March through December.Sea temperature
In January, the average sea temperature is 15.9°C (60.6°F).Note: Swimming in 15.9°C (60.6°F) is not an enjoyable experience for most. Breathing becomes progressively more challenging as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).
Daylight
In January, the average length of the day in Hamamatsu is 10h and 8min.On the first day of January, sunrise is at 06:56 and sunset at 16:48. On the last day of the month, sunrise is at 06:48 and sunset at 17:16 JST.
Sunshine
The average sunshine in January in Hamamatsu is 6.5h.UV index
January is the month with the lowest UV index, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for average individuals.Note: The daily maximum UV index of 2 in January interprets into the following advice:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year in Hamamatsu?
What are January temperatures in Hamamatsu?
What is the least humid month in Hamamatsu?
What is the average humidity in January in Hamamatsu?
What is the driest month in Hamamatsu?
How much does it rain in Hamamatsu in January?
When it does not snow in Hamamatsu?
Does it snow in Hamamatsu in January?
What is the sea temperature in January in Hamamatsu?
How many hours of daylight does Hamamatsu have in January?
What time are sunrise and sunset in January in Hamamatsu?
How many hours of sunshine does Hamamatsu have in January?
When is the lowest UV index in Hamamatsu?
What is the UV index intensity in January in Hamamatsu?
Average temperature in January
Hamamatsu, Japan
- Average high temperature in January: 8.5°C
The warmest month (with the highest average high temperature) is August (29.2°C).
The month with the lowest average high temperature is January (8.5°C).
- Average low temperature in January: 3.2°C
The month with the highest average low temperature is August (24.3°C).
The coldest month (with the lowest average low temperature) is January (3.2°C).
Average pressure in January
Hamamatsu, Japan
- Average pressure in January: 1017.8mbar
The month with the highest atmospheric pressure is November (1018.6mbar).
The month with the lowest atmospheric pressure is June (1009mbar).
Average wind speed in January
Hamamatsu, Japan
- Average wind speed in January: 22.9km/h
The windiest month (with the highest average wind speed) is January (22.9km/h).
The calmest months (with the lowest average wind speed) are July and August (12.2km/h).
Average humidity in January
Hamamatsu, Japan
- Average humidity in January: 65%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is January (65%).
Average rainfall in January
Hamamatsu, Japan
- Average rainfall in January: 37mm
The wettest month (with the highest rainfall) is July (205mm).
The driest month (with the least rainfall) is January (37mm).
Average rainfall days in January
Hamamatsu, Japan
- Average rainfall days in January: 5.9 days
The month with the highest number of rainy days is July (20.4 days).
The month with the least rainy days is January (5.9 days).
Average snowfall in January
Hamamatsu, Japan
- Average snowfall in January: 0mm
The month with the highest snowfall is February (1mm).
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in January
Hamamatsu, Japan
- Average snowfall days in January: 0.1 days
The month with the highest number of snowfall days is February (0.2 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).
Average sea temperature in January
Hamamatsu, Japan
- Average sea temperature in January: 15.9°C
The best month for swimming (with the highest average sea temperature) is August (26.8°C).
The coldest month (with the lowest average sea temperature) is March (15.1°C).
Average daylight in January /
Average sunshine in January
Hamamatsu, Japan
- Average daylight in January: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in January: 6h and 3min
The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 6h and 0min).
Average sunshine days in January
Hamamatsu, Japan
- Average sunshine days in January: 24.8 days
The month with the most sunshine days is January (24.8 days).
The month with the least sunshine days is July (9.4 days).
Average UV index in January
Hamamatsu, Japan
- Average UV index in January: 2
The months with the highest UV index are July and August (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in January
Hamamatsu, Japan
- Average cloud cover in January: 25
The month with the most cloud cover is June (Cloud cover 42).
The month with the least cloud cover is January (Cloud cover 25).
Average visibility in January
Hamamatsu, Japan
- Average visibility in January: 10km
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (10km).
The month with the lowest visibility is July (9km).
Hamamatsu, Japan
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