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Contents
- The climate of Chengdu
- The best time to visit Chengdu
- The worst time to visit Chengdu
- Spring weather in Chengdu
- Summer weather in Chengdu
- Autumn weather in Chengdu
- Winter weather in Chengdu
- 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 daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
The attractive buildings, along the Qintai Road District in Chengdu, China
The climate of Chengdu
Situated in the southwest of China, Chengdu falls under the Köppen climate classification of Cwa, describing a humid subtropical climate with a dry winter. Gaining a comprehensive understanding of the city's climate reveals that seasonal variations play a significant part in shaping Chengdu's overall atmospheric conditions.
An analysis of the meteorological pattern manifests that temperatures oscillate from a low of 2.8°C (37°F) in January, escalating to a sweltering peak of 31°C (87.8°F) in August. These fluctuations reflect typical subtropical elements where the city experiences warm-to-hot summers while encountering mild winters.
The precipitation pattern holds noteworthy characteristics. In contrast to the decrescent temperature curve from summer to winter, the rainfall volume transpires inversely. The monsoon influences primarily culminate in the mid-summer months, as marked by the whopping 218mm (8.58") of rain in August. November and December, with just 5mm (0.2") and 7mm (0.28"), respectively, are the driest months.
An analysis of the meteorological pattern manifests that temperatures oscillate from a low of 2.8°C (37°F) in January, escalating to a sweltering peak of 31°C (87.8°F) in August. These fluctuations reflect typical subtropical elements where the city experiences warm-to-hot summers while encountering mild winters.
The precipitation pattern holds noteworthy characteristics. In contrast to the decrescent temperature curve from summer to winter, the rainfall volume transpires inversely. The monsoon influences primarily culminate in the mid-summer months, as marked by the whopping 218mm (8.58") of rain in August. November and December, with just 5mm (0.2") and 7mm (0.28"), respectively, are the driest months.
The best time to visit Chengdu
Considering the climatic conditions, April through June forms the most pleasant span to visit Chengdu. During this period, the temperature averages between 18.8°C (65.8°F) to 29.8°C (85.6°F). Aligned with the moderate heat, these months also bask in the ample sunshine, with daylight extending up to 13.7 hours in June. Simultaneously, the relative humidity figures hover around the 60% mark, presenting moderately dry conditions.
The worst time to visit Chengdu
By contrast, the least favorable time to visit Chengdu roughly spans mid-summer to early autumn, specifically from July to September. In this interval, the precipitation level surges exponentially, registering a striking 151mm (5.94") in July that further expands to an enormous 218mm (8.58") in August. Consequently, the frequency of rainy days also spikes, with August witnessing rainfall for nearly 22.5 days on average coupled with a heightened relative humidity exceeding 70%, highlighting a markedly wet and humid phase.
Spring weather in Chengdu
Spring, extending from March to May, greets Chengdu with escalating temperatures - starting from 18.8°C (65.8°F) in March and reaching 27.8°C (82°F) by May. Parallelly, the city begins to receive a gradually increasing volume of rainfall, soaring from 10mm (0.39") in March to 45mm (1.77") in May. Daylight hours too increase proportionally, offering a comfortable 12.9 hours of sunshine by May.
Summer weather in Chengdu
Chengdu's summer takes hold from June onwards, with maximum temperatures shooting up to 30.6°C (87.1°F) in July. The city confronts its heaviest rainfall during this season, a force of monsoons driving the precipitation level from 44mm (1.73") in June to an overwhelming 218mm (8.58") in August. Despite the rainfall, the city enjoys robust daylight, 14.1 hours in June, the longest for any month.
Autumn weather in Chengdu
Autumn, lasting from September to November, witnesses a swift drop in temperature from 25.8°C (78.4°F) to 16.2°C (61.2°F) as well as a sharp reduction in rainfall from 66mm (2.6") to 12mm (0.47"). Amid the season, daylight slightly decreases, resulting in approximately 10.6 hours of sunshine during November. The conditions typically present a cooler and drier atmosphere.
Winter weather in Chengdu
Chengdu’s winter welcomes both a dip in temperature and a substantial drop in precipitation levels. From December to February, the temperatures range from 11.4°C (52.5°F) to 2.8°C (37°F), while rain levels dwindle, falling as low as 5mm (0.2") in December and January along with snowfall registered at minimal levels, 8mm (0.31") and 2mm (0.08") in December and January respectively. Despite its subtropical classification, Chengdu's wintertimes bear a striking resemblance to temperate climates.
Weather in January
Chengdu starts the year on a cooler note, with an average high of 10.2°C (50.4°F) and a low of 2.8°C (37°F). The chill in the air is coupled with moderate relative humidity and the bite of the wind at 6.7km/h (4.2mph). January also brings occasional snowfall, with an average of 8mm (0.31") in total. Weather in January »
Weather in February
As Chengdu transitions into February, the rise in temperatures hints at the upcoming Spring. A minor increase in the average highest temperature to 13.1°C (55.6°F) and the lowest to 4.5°C (40.1°F) results in more pleasant afternoons. Weather in February »
Weather in March
With the arrival of March, Chengdu moves closer to Spring. A significant increase in the city's average high temperature to 18.8°C (65.8°F) and the low to 9.7°C (49.5°F) marks a distinct shift from the wintry weather. Precipitations patterns reveal a doubling of rainfall to 10mm (0.39"), which is a sign of the oncoming pre-monsoon period. Weather in March »
Weather in April
April in Chengdu signifies the peak of Spring. Average temperatures further rise to a comfortable high of 24.1°C (75.4°F) and a mild low of 14.8°C (58.6°F). On the flip side, there's a notable upsurge in precipitation figures as April sees 26mm (1.02") of rainfall, ushering in the pre-monsoon showers in full swing. Weather in April »
Weather in May
Chengdu witnesses the onset of summer in May. With temperatures soaring up to an average high of 27.8°C (82°F) and a low of 18.9°C (66°F), the city truly begins to heat up. This month experiences a dramatic jump in precipitation levels, recording 45mm (1.77") of rainfall. Weather in May »
Weather in June
June further escalates the summer heat in Chengdu, reaching an average high of 29.8°C (85.6°F) and a low of 21.5°C (70.7°F). Even as the temperatures continue to rise, so does the rainfall, albeit at a steady rate compared to the past month. Weather in June »
Weather in July
As July rolls in, Chengdu reaches its peak summer with an average high temperature touching 30.6°C (87.1°F) and the low at 22°C (71.6°F). The city also endures its highest rainfall of the year, marking a whopping 151mm (5.94"). Weather in July »
Weather in August
August witnesses a slight increase in the highest average temperature in Chengdu, moving up to 31°C (87.8°F), while the lowest stays steady at 22.5°C (72.5°F). However, the monsoon reaches its peak in August with an all-time high of 218mm (8.58") of rainfall. Weather in August »
Weather in September
With the arrival of September, Chengdu begins to bid farewell to the hot summer, marking a drop in the average high temperature to 25.8°C (78.4°F) and the low to 19.3°C (66.7°F). A significant reduction in precipitation levels to 66mm (2.6") signifies the end of the monsoon season. Weather in September »
Weather in October
October is a transition period for Chengdu as it moves from the hot and wet summer to cooler months, witnessing a drop in the average high temperature to 21.8°C (71.2°F) and the low to 16.3°C (61.3°F). This month also experiences a further decrease in precipitation with rainfall measuring up to 33mm (1.3") on average. Weather in October »
Weather in November
November sees Chengdu gearing up for the winter, as temperatures decline to an average high of 16.2°C (61.2°F) and a low of 10.6°C (51.1°F). Precipitation further declines to 12mm (0.47"), making this month one of the driest in the year. Weather in November »
Weather in December
December brings winter in full swing to Chengdu, with an average high temperature of 11.4°C (52.5°F) and a low of 5.2°C (41.4°F). This month has the least rainfall of the year at a mere 7mm (0.28"), with the rare possibility of snowfall. Weather in December »
[Resources]Frequently asked questions
What is the coldest time of year in Chengdu?
January, on average, is the coldest month in Chengdu, China, registering a high temperature of 10.2°C (50.4°F) and a low of 2.8°C (37°F).
What is the driest month in Chengdu?
January and February are months with the least rain in Chengdu when the rain falls for 5.8 days and typically aggregates up to 5mm (0.2") of rain.
How much does it rain in Chengdu?
Throughout the year, in Chengdu, there are 156.8 rainfall days, and 622mm (24.49") of precipitation is accumulated.
When does it snow in Chengdu?
Months with snowfall in Chengdu, China, are January, February, November and December.
When does it snow the most in Chengdu?
The month with the most snowfall in Chengdu is January, when snow falls for 2 days and typically aggregates up to 8mm (0.31") of snow.
How many days does it snow in Chengdu?
Throughout the year, in Chengdu, China, there are 3.3 snowfall days, and 14mm (0.55") of snow is accumulated.
When is the lowest UV index in Chengdu?
The months with the lowest UV index are January and December, with an average maximum UV index of 3.
When it does not snow in Chengdu?
March through October are months without snowfall.
What is the least humid month in Chengdu?
The least humid month in Chengdu, China, is May, with an average relative humidity of 56%.
When are the longest days in Chengdu?
With an average of 14h and 6min of daylight, June has the longest days of the year in Chengdu, China.
What is the month with the highest UV index in Chengdu?
With an average maximum UV index of 7, June is the month with the highest UV index in Chengdu, China.
What is the most humid month in Chengdu?
The most humid month in Chengdu is July, with an average relative humidity of 76%.
What part of the year is the hottest in Chengdu?
Chengdu's August weather, with an average high temperature of 31°C (87.8°F) and an average low temperature of 22.5°C (72.5°F), tends to be the warmest of the year.
What is the rainiest month in Chengdu?
The month with the most rainfall in Chengdu, China, is August, when the rain falls for 22.5 days and typically aggregates up to 218mm (8.58") of precipitation.
What month has the most sunshine in Chengdu?
The month with the most sunshine in Chengdu is August, with an average of 8.4h of sunshine.
What is the month with the least sunshine in Chengdu?
October has the least sunshine of the year, with an average of 6.7h of sunshine.
What is the month with the shortest days in Chengdu?
The month with the shortest days in Chengdu is December, with an average of 10h and 12min of daylight.
Is there Daylight Saving Time (DST) in Chengdu?
Chengdu does not observe Daylight Saving Time (DST). CST timezone is used over the entire year.
Average temperature
Chengdu, China
The warmest month (with the highest average high temperature) is August (31°C).
The month with the lowest average high temperature is January (10.2°C).
The month with the highest average low temperature is August (22.5°C).
The coldest month (with the lowest average low temperature) is January (2.8°C).
Average pressure
Chengdu, China
- Average pressure in January:
1022.5mbar - Average pressure in February:
1018.8mbar - Average pressure in March:
1016.2mbar - Average pressure in April:
1012.7mbar - Average pressure in May:
1009.7mbar - Average pressure in June:
1005.7mbar
- Average pressure in July:
1004mbar - Average pressure in August:
1006.5mbar - Average pressure in September:
1012.7mbar - Average pressure in October:
1018.5mbar - Average pressure in November:
1020.2mbar - Average pressure in December:
1023.2mbar
The month with the highest atmospheric pressure is December (1023.2mbar).
The month with the lowest atmospheric pressure is July (1004mbar).
Average wind speed
Chengdu, China
- Average wind speed in January:
6.7km/h - Average wind speed in February:
6.9km/h - Average wind speed in March:
7.1km/h - Average wind speed in April:
6.9km/h - Average wind speed in May:
7.3km/h - Average wind speed in June:
6.5km/h
- Average wind speed in July:
6km/h - Average wind speed in August:
5.8km/h - Average wind speed in September:
5.8km/h - Average wind speed in October:
5.9km/h - Average wind speed in November:
6km/h - Average wind speed in December:
6.3km/h
The windiest month (with the highest average wind speed) is May (7.3km/h).
The calmest months (with the lowest average wind speed) are August and September (5.8km/h).
Average humidity
Chengdu, China
The month with the highest relative humidity is July (76%).
The month with the lowest relative humidity is May (56%).
Average rainfall
Chengdu, China
The wettest month (with the highest rainfall) is August (218mm).
The driest months (with the least rainfall) are January and February (5mm).
Average rainfall days
Chengdu, China
- Average rainfall days in January:
5.8 days - Average rainfall days in February:
5.9 days - Average rainfall days in March:
9.6 days - Average rainfall days in April:
13.7 days - Average rainfall days in May:
12.8 days - Average rainfall days in June:
14.7 days
- Average rainfall days in July:
21.8 days - Average rainfall days in August:
22.5 days - Average rainfall days in September:
20.3 days - Average rainfall days in October:
14.3 days - Average rainfall days in November:
8.3 days - Average rainfall days in December:
7.1 days
The month with the highest number of rainy days is August (22.5 days).
The month with the least rainy days is January (5.8 days).
Average snowfall
Chengdu, China
The month with the highest snowfall is January (8mm).
The months with the least snowfall are March, April, May, June, July, August, September and October (0mm).
Average snowfall days
Chengdu, China
- Average snowfall days in January:
2 days - Average snowfall days in February:
0.7 days - Average snowfall days in March:
0 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:
0.2 days - Average snowfall days in December:
0.4 days
The month with the highest number of snowfall days is January (2 days).
The months with the least snowfall days are March, April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Chengdu, China
- Average daylight in January:
10h and 2min - Average daylight in February:
11h and 1min - Average daylight in March:
12h and 0min - Average daylight in April:
12h and 5min - Average daylight in May:
13h and 4min - Average daylight in June:
14h and 1min
- Average daylight in July:
13h and 5min - Average daylight in August:
13h and 1min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 2min - Average daylight in November:
10h and 4min - Average daylight in December:
10h and 1min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in January:
7h and 4min - Average sunshine in February:
7h and 4min - Average sunshine in March:
8h and 0min - Average sunshine in April:
7h and 5min - Average sunshine in May:
8h and 1min - Average sunshine in June:
8h and 1min
- Average sunshine in July:
7h and 5min - Average sunshine in August:
8h and 2min - Average sunshine in September:
6h and 5min - Average sunshine in October:
6h and 4min - Average sunshine in November:
7h and 0min - Average sunshine in December:
7h and 4min
The month with the most sunshine is August (Average sunshine: 8h and 24min).
The month with the least sunshine is October (Average sunshine: 6h and 42min).
Average sunshine days
Chengdu, China
- Average sunshine days in January:
20.6 days - Average sunshine days in February:
20.3 days - Average sunshine days in March:
19.3 days - Average sunshine days in April:
13.2 days - Average sunshine days in May:
16.9 days - Average sunshine days in June:
13 days
- Average sunshine days in July:
8.1 days - Average sunshine days in August:
6.9 days - Average sunshine days in September:
7.5 days - Average sunshine days in October:
12.5 days - Average sunshine days in November:
17.9 days - Average sunshine days in December:
19.8 days
The month with the most sunshine days is January (20.6 days).
The month with the least sunshine days is August (6.9 days).
Average UV index
Chengdu, China
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover
Chengdu, China
The months with the most cloud cover are September and October (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility
Chengdu, China
The months with the highest visibility are February, March, April, May and June (10km).
The months with the lowest visibility are January, July, August, September, October, November and December (9km).
Chengdu, China
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