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Contents
- The climate of Changi
- The best time to visit Changi
- The worst time to visit Changi
- Spring weather in Changi
- Summer weather in Changi
- Autumn weather in Changi
- Winter weather in Changi
- 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 daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
The climate of Changi
Köppen’s climate classification method defines Changi's climate as Af or Tropical Rainforest climate. Geographically positioned in Singapore, the area of Changi experiences consistent warmth and abundant precipitation throughout the year. Apart from a few minor fluctuations, most weather elements remain relatively stable.
Throughout the year, maximum temperature ranges from 29.3°C (84.7°F) to 31.8°C (89.2°F), while the minimum temperature fluctuates between 24.9°C (76.8°F) and 26.7°C (80.1°F). This slight variation in temperature remains fairly constant throughout the year, resulting in a consistent, hot climate.
Rainfall & humidity have a typical pattern found in rainforest climates. High relative humidity persists year-round - starting at 80% in January, with minor variations throughout the year. The average monthly rainfall stays above 70mm (2.76"). The number of rainfall days per month is high, ranging from 21.3 days to 29.8 days.
December marks the peak of the rainy season with an average rainfall of 243mm (9.57") over 29.8 days. However, February records the least rainfall of 79mm (3.11") over 21.3 days. The cloud cover, likewise, indicates the wettest periods, increasing from 48% in January to 51% in December.
Throughout the year, maximum temperature ranges from 29.3°C (84.7°F) to 31.8°C (89.2°F), while the minimum temperature fluctuates between 24.9°C (76.8°F) and 26.7°C (80.1°F). This slight variation in temperature remains fairly constant throughout the year, resulting in a consistent, hot climate.
Rainfall & humidity have a typical pattern found in rainforest climates. High relative humidity persists year-round - starting at 80% in January, with minor variations throughout the year. The average monthly rainfall stays above 70mm (2.76"). The number of rainfall days per month is high, ranging from 21.3 days to 29.8 days.
December marks the peak of the rainy season with an average rainfall of 243mm (9.57") over 29.8 days. However, February records the least rainfall of 79mm (3.11") over 21.3 days. The cloud cover, likewise, indicates the wettest periods, increasing from 48% in January to 51% in December.
The best time to visit Changi
Considering the climate parameters, the best time to visit Changi might be in the middle of the year from May to September. Within this period, Changi experiences fewer rainfall days - from 23.5 days in June to 24.8 days in July, compared to other times of the year. Additionally, the average rainfall varies between 72mm (2.83") in September and 112mm (4.41") in June. Not only is it less rainy, but sunshine hours are also at their peak, from 8.4 hours in July to a high of 8.9 hours in September.
The worst time to visit Changi
The least favorable time to visit would be the last quarter of the year - from October to December. It sees an increase in rainfall, with November recording the highest rainfall of 202mm (7.95") over 28.5 days, and December attaining the highest number of rainy days, 29.8, with rainfall at a high of 243mm (9.57"). Daylight hours also decrease slightly to around 12 hours while the relative humidity jumps over 80%, causing discomfort due to high moisture levels combined with warm temperatures.
Spring weather in Changi
In Changi, the typical spring months, March to May, present an increase of minimum temperatures to their peak, from 25.3°C (77.5°F) to 26.7°C (80.1°F). Rainfall during this period fluctuates between 118mm (4.65") in March and 136mm (5.35") in May. Although the number of sunshine days remains low, sunshine hours peak at 8.6 hours a day in May. The average relative humidity declines slightly to 76%.
Summer weather in Changi
The summer season in Changi, from June to August, sees a slight decrease in rainfall, with an average of 89mm (3.5") in July. The number of rainfall days reduces as well during these three months with an average of 24.8 days in July. Months in this period experience more sunshine, with an average of 8.5 hours in June and August. The minimum temperature remains above 26°C (78.8°F), and the maximum temperature fluctuates marginally.
Autumn weather in Changi
Autumn months in Changi, September to November, record cooler temperatures, with minimum temperatures decreasing from 26.2°C (79.2°F) in September to 25.8°C (78.4°F) in November. September experiences the least amount of rainfall in the year at 72mm (2.83") over 23.6 days. However, the rainfall leaps to a high of 202mm (7.95") in November, with an increase in the number of rainy days to 28.5.
Winter weather in Changi
Winter weather in Changi maintains the tropical pattern with high minimum temperatures of 25.8°C (78.4°F) in December. However, December records the highest rainfall in the year at 243mm (9.57") over 29.8 days. The number of sunshine days drops to 0.7 in December, and the relative humidity peaks at 81%. December also sees reduced visibility at 9km (5.6mi). This combination of increased moisture, rains, and decreased sunshine makes winters less favorable for outdoor activities.
Weather in January
Unveiling the year with a warm and humid climate, Changi witnesses moderate rainfall in January, making it a cost-effective month for travel. It sees a swift transformation in its temperatures, oscillating from 24.9°C (76.8°F) to 29.3°C (84.7°F). Weather in January »
Weather in February
Displaying a noticeable upgrade in weather conditions, February accommodates moderately high temperatures. As the record indicates, this month experiences an average temperature range from 24.9°C (76.8°F) to 30.2°C (86.4°F). Weather in February »
Weather in March
March marks the genesis of hotter temperatures, accompanied by a decent level of humidity. This month, temperatures surge slightly from 25.3°C (77.5°F) to 31.1°C (88°F) on average. With an upswing in the rainfall, the landscapes acquire a lush green texture. Weather in March »
Weather in April
April brings about a transition into the warmest period of the year, countertop by focal showers. The temperature margin extends from 26.1°C (79°F) to 31.7°C (89.1°F), scoring the highest figures in the year so far. Enjoying the highest sunshine hours, it's a great month to explore the city or lounge on the beach. Weather in April »
Weather in May
The zenith of the summer season, May, ushers in the maximum temperature of the year swinging from 26.7°C (80.1°F) to 31.8°C (89.2°F). Maintain hydration and use sun protection as the UV index remains constantly high. Skies clear up more, and the winds slow down considerably, creating a tranquil atmosphere. Weather in May »
Weather in June
Relief from the scorching May heat characterises June with a slight downturn in the highest monthly temperature, stepping back to 31.3°C (88.3°F) from an average low of 26.3°C (79.3°F). Gradual de-escalation in rainfall begins with June, with sunshine hours stabilising. Weather in June »
Weather in July
July ushers in a mix of heat and sporadic showers with a controlled rise in temperatures, reaching a peak of 30.8°C (87.4°F) from the stable low of 26.1°C (79°F). Despite being warmer, the month is bookmarked by breezy evenings, adding a soothing element to the summer. Weather in July »
Weather in August
August amidst the vibrant summer, subtly embraces a cooler atmosphere than its predecessor, with temperature boundaries residing between 26.2°C (79.2°F) to 31°C (87.8°F). Fear of heavy downpours declines as rainfall recedes further, opening wider windows for outdoor explorations. Weather in August »
Weather in September
The advent of September introduces slightly cooler temperatures, averaging from 25.8°C (78.4°F) to 31.2°C (88.2°F). This month takes the spotlight by having the least rain showers, alleviating the constraints on outdoor pursuits. Weather in September »
Weather in October
October reveals moderate fluctuations in weather conditions with temperatures rotating between 26.2°C (79.2°F) to 31.5°C (88.7°F). A prominent escalation in the rainfall marks October, intensifying as the month progresses paving the way for the upcoming wet season. Weather in October »
Weather in November
November, signifies the beginning of the wet season, characterised by the highest rainfall figures throughout the year. The temperatures undergo a barely noticeable shift from 25.8°C (78.4°F) to 30.7°C (87.3°F). A rise in the number of rain showers mingle with cooler winds, presenting a fresh aura across Changi. Weather in November »
Weather in December
Enriched with cool winds, December marks the year's end with temperatures sliding between 25.2°C (77.4°F) to 29.6°C (85.3°F). It happens to have the maximum number of rainy days, yet this doesn't compromise on the city's festive cheer. Weather in December »
Frequently asked questions
What are the coldest months in Changi?
With its average high temperature of 29.3°C (84.7°F) and a low of 24.9°C (76.8°F), January is regarded as the coldest month.
How much does it rain in Changi?
Throughout the year, in Changi, there are 309.5 rainfall days, and 1577mm (62.09") of precipitation is accumulated.
What is the month with the highest UV index in Changi?
January through December, with an average maximum UV index of 7, are months with the highest UV index in Changi, Singapore.
When is the lowest UV index in Changi?
January through December, with an average maximum UV index of 7, are months with the lowest UV index.
What time of the year is the hottest in Changi?
The highest temperatures in Changi are recorded in May, with averages reaching a high of 31.8°C (89.2°F) and a low of 26.7°C (80.1°F).
When are the longest days in Changi?
With an average of 12h and 12min of daylight, June has the longest days of the year.
What is the least humid month in Changi?
September and October, with an average relative humidity of 73%, are the least humid months.
What is the driest month in Changi?
The month with the least rainfall in Changi, Singapore, is September, when the rain falls for 23.6 days and typically collects 72mm (2.83") of precipitation.
What month has the most sunshine in Changi?
September has the most sunshine of the year in Changi, with an average of 8.9h of sunshine.
What is the most humid month in Changi?
December is the most humid month in Changi, Singapore, with an average relative humidity of 81%.
What is the wettest month in Changi?
December is the month with the most rainfall in Changi, Singapore. Rain falls for 29.8 days and accumulates 243mm (9.57") of precipitation.
What is the month with the shortest days in Changi?
With an average of 12h and 0min of daylight, December has the shortest days of the year in Changi, Singapore.
Is there Daylight Saving Time (DST) in Changi?
Changi, Singapore, does not utilize Daylight Saving Time (DST). +08 timezone is used over the entire year.
What is the month with the least sunshine in Changi?
With an average of 6.9h of sunshine, December has the least sunshine of the year in Changi.
Average temperature
Changi, Singapore
The warmest month (with the highest average high temperature) is May (31.8°C).
The month with the lowest average high temperature is January (29.3°C).
The month with the highest average low temperature is May (26.7°C).
The coldest months (with the lowest average low temperature) are January and February (24.9°C).
Average pressure
Changi, Singapore
- Average pressure in January:
1010.1mbar - Average pressure in February:
1010.2mbar - Average pressure in March:
1009.9mbar - Average pressure in April:
1009.1mbar - Average pressure in May:
1008.6mbar - Average pressure in June:
1008.7mbar
- Average pressure in July:
1008.9mbar - Average pressure in August:
1009.2mbar - Average pressure in September:
1009.6mbar - Average pressure in October:
1009.4mbar - Average pressure in November:
1008.8mbar - Average pressure in December:
1009.2mbar
The month with the highest atmospheric pressure is February (1010.2mbar).
The month with the lowest atmospheric pressure is May (1008.6mbar).
Average wind speed
Changi, Singapore
- Average wind speed in January:
12.5km/h - Average wind speed in February:
12.6km/h - Average wind speed in March:
9.7km/h - Average wind speed in April:
7km/h - Average wind speed in May:
6.8km/h - Average wind speed in June:
8.7km/h
- Average wind speed in July:
9.9km/h - Average wind speed in August:
10.3km/h - Average wind speed in September:
8.7km/h - Average wind speed in October:
7.4km/h - Average wind speed in November:
7.2km/h - Average wind speed in December:
10.5km/h
The windiest month (with the highest average wind speed) is February (12.6km/h).
The calmest month (with the lowest average wind speed) is May (6.8km/h).
Average humidity
Changi, Singapore
The month with the highest relative humidity is December (81%).
The months with the lowest relative humidity are September and October (73%).
Average rainfall
Changi, Singapore
- Average rainfall in January:
143mm - Average rainfall in February:
79mm - Average rainfall in March:
118mm - Average rainfall in April:
161mm - Average rainfall in May:
136mm - Average rainfall in June:
112mm
The wettest month (with the highest rainfall) is December (243mm).
The driest month (with the least rainfall) is September (72mm).
Average rainfall days
Changi, Singapore
- Average rainfall days in January:
25.8 days - Average rainfall days in February:
21.3 days - Average rainfall days in March:
26.1 days - Average rainfall days in April:
27.3 days - Average rainfall days in May:
26.7 days - Average rainfall days in June:
23.5 days
- Average rainfall days in July:
24.8 days - Average rainfall days in August:
26.2 days - Average rainfall days in September:
23.6 days - Average rainfall days in October:
25.9 days - Average rainfall days in November:
28.5 days - Average rainfall days in December:
29.8 days
The month with the highest number of rainy days is December (29.8 days).
The month with the least rainy days is February (21.3 days).
Average daylight / Average sunshine
Changi, Singapore
- Average daylight in January:
12h and 1min - Average daylight in February:
12h and 1min - Average daylight in March:
12h and 1min - Average daylight in April:
12h and 1min - Average daylight in May:
12h and 1min - Average daylight in June:
12h and 1min
- Average daylight in July:
12h and 1min - Average daylight in August:
12h and 1min - Average daylight in September:
12h and 1min - Average daylight in October:
12h and 1min - Average daylight in November:
12h and 1min - Average daylight in December:
12h and 0min
The month with the longest days is June (Average daylight: 12h and 12min).
The month with the shortest days is December (Average daylight: 12h and 0min).
- Average sunshine in January:
7h and 2min - Average sunshine in February:
7h and 5min - Average sunshine in March:
8h and 2min - Average sunshine in April:
8h and 3min - Average sunshine in May:
8h and 4min - Average sunshine in June:
8h and 3min
- Average sunshine in July:
8h and 2min - Average sunshine in August:
8h and 2min - Average sunshine in September:
8h and 5min - Average sunshine in October:
8h and 3min - Average sunshine in November:
7h and 2min - Average sunshine in December:
6h and 5min
The month with the most sunshine is September (Average sunshine: 8h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).
Average sunshine days
Changi, Singapore
- Average sunshine days in January:
3.2 days - Average sunshine days in February:
4.8 days - Average sunshine days in March:
3.3 days - Average sunshine days in April:
1.8 days - Average sunshine days in May:
2.5 days - Average sunshine days in June:
4 days
- Average sunshine days in July:
3.6 days - Average sunshine days in August:
2.3 days - Average sunshine days in September:
4.6 days - Average sunshine days in October:
3.5 days - Average sunshine days in November:
1 days - Average sunshine days in December:
0.7 days
The month with the most sunshine days is February (4.8 days).
The month with the least sunshine days is December (0.7 days).
Average UV index
Changi, Singapore
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
Average cloud cover
Changi, Singapore
The month with the most cloud cover is December (Cloud cover 51).
The month with the least cloud cover is September (Cloud cover 34).
Average visibility
Changi, Singapore
The months with the highest visibility are February, March, June, July, August, September and October (10km).
The months with the lowest visibility are January, April, May, November and December (9km).
Changi, Singapore
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