Hefei, the capital of Anhui Province, features a humid subtropical climate with four distinct seasons. Winters are cold and damp, while summers are hot, humid, and rainy. Spring and autumn offer mild, comfortable weather and vibrant scenery. With over 1,800 hours of sunshine annually, Hefei’s climate supports both lush landscapes and dynamic urban life.
The best times to travel section shows how the months compare for a visit, so you can find the time of year that fits what you want to do.
Background colours of the months:
The colour shows the typical temperature: yellow (hot), green (mild) and blue (cold). How strong the colour is shows the travel season: full colour means high season, soft colour means shoulder season and soft-striped means off season.
Weather symbols:
Each month has one symbol showing what the weather is typically like, such as hot and sunny, freezing or a rainy or snowy season. Use them to quickly spot months that match the weather you want, or to avoid the ones that don't.
Crowdedness:
The people icon shows how busy the place usually is. The more people, the more crowded it gets.
Additional notes:
The grey info boxes point out special things worth knowing, like recurring weather issues or seasonal events.
Hefei’s humid subtropical climate (Köppen Cfa) brings marked seasonal contrasts. Winters (December–February) are cold and damp, with average highs of 7–10°C and lows near or just below freezing. Snowfall is infrequent but possible, and cold spells from Siberia can bring heavier snow and subzero temperatures. Sunshine is limited in winter, and humidity hovers around 73–75%.
Spring (March–May) is short and variable, with rapidly warming temperatures and frequent rain showers. By May, daytime highs reach 26–28°C, and the landscape is lush and green. Summers (June–August) are hot, humid, and rainy, with July and August highs of 32–33°C and nighttime lows of 24–25°C. Rainfall peaks in these months, with frequent thunderstorms and the “plum rains” bringing heavy, soaking precipitation. Humidity often exceeds 80%, and heatwaves can push temperatures above 37°C. Autumn (September–November) is mild and gradually cools, with clear skies, comfortable temperatures (16–28°C), and the least rainfall of the year. Hefei receives about 1,000 mm of precipitation annually, mostly from May to August, and enjoys around 1,800–1,900 hours of sunshine per year. Winds are generally light to moderate, but can be brisk during storms or typhoons, which rarely but occasionally affect the region from June to early November.
| Average climate data for Hefei, China | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Average maximum temperature (°C) | -1 | -0 | 5 | 11 | 16 | 21 | 25 | 25 | 22 | 15 | 8 | 2 | 25 |
| Average minimum temperature (°C) | -6 | -5 | -0 | 5 | 10 | 16 | 20 | 20 | 16 | 9 | 2 | -2 | -6 |
| Average precipitation (mm) | 45 | 46 | 54 | 95 | 117 | 124 | 108 | 102 | 82 | 78 | 45 | 42 | 939 |
| Average rainfall days (days) | 7 | 6 | 12 | 17 | 18 | 18 | 19 | 17 | 15 | 14 | 11 | 9 | 160 |
| Average snowfall (mm) | 86 | 91 | 33 | 41 | 2 | 0 | 0 | 0 | 0 | 0 | 36 | 64 | 353 |
| Average snowfall days (days) | 11 | 10 | 6 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 8 | 41 |
| Average relative humidity (%) | 82 | 80 | 78 | 78 | 79 | 79 | 79 | 76 | 74 | 73 | 74 | 81 | 78 |
| Average wind speed (km/h) | 20 | 19 | 18 | 18 | 15 | 14 | 12 | 13 | 15 | 18 | 20 | 19 | 17 |
| Average water temperature (°C) | 4 | 3 | 3 | 5 | 7 | 14 | 21 | 23 | 20 | 15 | 9 | 6 | 11 |
| Average daily daylight hours (h) | 9 | 10 | 12 | 13 | 14 | 15 | 14 | 13 | 12 | 11 | 9 | 9 | 12 |
| Average daily sunshine hours (h) | 3 | 3 | 6 | 7 | 8 | 10 | 10 | 10 | 9 | 5 | 5 | 4 | 7 |
| Average cloud coverage (%) | 62 | 60 | 49 | 47 | 41 | 34 | 27 | 26 | 29 | 42 | 44 | 58 | 43 |
| Average UV index | 1 | 2 | 2 | 3 | 4 | 5 | 6 | 6 | 4 | 2 | 2 | 1 | 3 |
The best time to visit Hefei is from April to mid-May and late September to early November. These periods offer mild temperatures, clear skies, and comfortable humidity – ideal for sightseeing, outdoor activities, and enjoying the city’s parks and cultural attractions.
The least favourable time to visit Hefei is in summer (June–August), when high heat, humidity, and frequent heavy rain can make outdoor activities uncomfortable. Winter (December–February) can also be challenging due to cold, damp conditions and occasional snow.
Hefei has a humid subtropical climate with four distinct seasons. Summers are hot, humid, and rainy, while winters are cold and damp. Spring and autumn bring mild, comfortable weather and vibrant scenery.
The best time to visit Hefei is in spring (April–May) and autumn (late September–October), when temperatures are mild, rainfall is lower, and the city’s parks and gardens are at their most beautiful.
Snow is infrequent in Hefei, but occasional cold spells in winter can bring light to moderate snowfall. Most winter precipitation falls as rain, and snow usually melts quickly.
Summers in Hefei are hot and humid, with average highs of 32–33°C in July and August. Heatwaves can push temperatures above 37°C, and humidity often exceeds 80%.
Hefei receives about 1,000 mm of precipitation annually, with the heaviest rainfall from May to August. July is typically the wettest month, while December is the driest.
In spring and autumn, pack layers and a rain jacket. For summer, bring light, breathable clothing, sun protection, and an umbrella. In winter, wear warm layers and waterproof shoes for cold, damp conditions.
Typhoons rarely affect Hefei directly, but storms from June to early November can bring heavy rain and strong winds. It’s wise to check weather forecasts during this period, especially in late summer.
The warmest month, with the highest average maximum temperature, is August (25.4 °C). The month with the lowest average maximum temperature is January (-1.2 °C). Overall, the average maximum temperature over the whole year is 12.5 °C.
The month with the highest average minimum temperature is July (20 °C). The coldest month, with the lowest average minimum temperature, is January (-6.2 °C). Overall, the average minimum temperature over the whole year is 7.1 °C.
The month with the highest average water temperature is August (23.3 °C). The month with the lowest average water temperature is February (2.8 °C). Overall, the average water temperature over the whole year is 10.9 °C.
The wettest month, with the highest amount of precipitation, is June (123.9 mm). The driest month, with the least amount of precipitation, is December (42.3 mm). Over the whole year there are 938.9 mm of rainfall on average.
The month with the most days of rain is July (18.6 days). The month with the fewest days of rain is February (5.6 days). Over the whole year there are 160.4 days of rain on average.
The month with the most snowfall is February (91 mm). The months with the least snowfall are June, July, August, September and October (0 mm). Over the whole year there are 353 mm of snowfall on average.
The month with the most days of snowfall is January (10.6 days). The month with the fewest days of snowfall is August (0 days). Over the whole year there are 41.1 days of snowfall on average.
The month with the highest average relative humidity is January (81.9 %). The month with the lowest average relative humidity is October (72.8 %). The overall average relative humidity over the whole year is 77.8 %.
The windiest month, with the highest average wind speed, is January (20.1 km/h). The calmest month, with the lowest average wind speed, is July (12.4 km/h). The overall average wind speed over the whole year is 16.7 km/h.
The month with the cloudiest skies, so the highest cloud coverage, is January (62.1 %). The month with the clearest skies, so the lowest cloud coverage, is August (25.8 %). Over the whole year there is an average cloud coverage of 43.2 %.
The month with the longest days, so the most daylight, is June (Average daylight: 15 h). The month with the shortest days, so the least daylight, is December (Average daylight: 9 h). Over the whole year there are 11.8 h of daylight per day on average.
The month with the most sunshine per day is August (Average sunshine: 10.2 h). The month with the least sunshine per day is February (Average sunshine: 3 h). Over the whole year there are 6.8 h of sunlight per day on average.
The months with the highest average UV index are July and August (UV index: 6). The months with the lowest average UV index are January and December (UV index: 1). Over the whole year the average UV index is 3.2.
