Climate and monthly weather forecastHefei, China
Hefei, China - Climate and weather forecast by month. Detailed climate information with charts - average monthly weather with temperature, pressure, humidity, precipitation, wind, daylight, sunshine, visibility, and UV index data. Summer in Hefei, raging from June to August, presents a mix of hot temperatures, high humidity, heavy rainfall, and the most hours of sunshine. Winter in Hefei, lasting from December to February, experiences the city's lowest temperatures, ranging from 1.3°C (34.3°F) to 3.5°C (38.3°F).
Climate and monthly weather forecast
The climate of Hefei
Nestled in Central China, Hefei experiences a Humid Subtropical climate characterized by its Köppen climate classification, Cfa, with the primary trait being no dry season. This scenic city, thriving with green landscapes and bursting with culture, enjoys an array of weather conditions throughout the year. The atmospheric pressure fluctuates throughout the year, ranging from 1004mb in July to 1027.7mb in January, while visibility consistently maintains at 9km (5.6mi) to 10km (6.2mi).Throughout the year, temperatures fluctuate from a mild 1.3°C (34.3°F) to a sizzling 31.8°C (89.2°F). Hefei experiences its warmest period from June to August, with temperatures soaring as high as 29.8°C (85.6°F) to 31.8°C (89.2°F). Despite the high temperatures, humidity also peaks during this period, reaching a high of 80% in July. Conversely, the coolest months are from December to February, with temperatures dropping as low as 1.3°C (34.3°F) in January.
Rainfalls play a defining role in Hefei's climate, with the city receiving varying amounts of rainfall all year round. From a mild 20mm (0.79") in December to a heavy downpour of 142mm (5.59") in July, rainclouds are no strangers to Hefei's skyline. Similarly, snowfall, although interspersed, can be expected between November and March, reaching peak quantities of 52mm (2.05") in February. The city basks in a generous amount of sunshine, peaking at 9.6 hours per day in August.
The best time to visit Hefei
Despite the variation in weather conditions, the period from September to November emerges as the most friendly for visitors. The declining temperatures, averaging between 15.5°C (59.9°F) to 22.8°C (73°F) offer pleasant warmth. With rainfall levels reducing to 23mm (0.91") to 44mm (1.73"), the cityscape becomes an inviting destination. Also, the gentle wind speeds of 9.6km/h (6mph) to 10.2km/h (6.3mph) provide the perfect backdrop for a serene visit.The worst time to visit Hefei
Travelers should exercise caution between June and August when considering a visit to Hefei. These months are characterized by the highest temperatures of the year, soaring from 27.2°C (81°F) to 31.8°C (89.2°F), combined with humidity levels peaking at 80%. Additionally, the city experiences its heaviest rainfall during these months, with downpours reaching 119mm (4.69") to 142mm (5.59"), thereby causing potential disruptions to outdoor activities and travel plans.Spring weather in Hefei
Spring in Hefei, which unfolds from March to May, is marked by steadily increasing temperatures, starting at 6.9°C (44.4°F) in March and reaching 17.8°C (64°F) in May. These months witness fluctuating pressure levels, with values dipping from 1020.4mb to 1015mb. With a gradual decrease in cloud cover, the city receives longer daylight hours, from 12 hours in March to 13.8 hours in May, giving way to increasing sunshine hours.Summer weather in Hefei
Summer in Hefei, raging from June to August, presents a mix of hot temperatures, high humidity, heavy rainfall, and the most hours of sunshine. Temperatures ranging from 21.6°C (70.9°F) to 31.8°C (89.2°F), alongside an increase in relative humidity from 63% to 80%, may pose discomfort to those unaccustomed to such conditions. The intense rainfall, which can reach up to 142mm (5.59") in July, further amplifies the intense summer heat.Autumn weather in Hefei
Autumn in Hefei, extending from September to November, brings relief from the summer heat. Temperatures steadily decline from 19.7°C (67.5°F) to 9.5°C (49.1°F). With falling pressure levels, the city starts getting fewer hours of daylight, dropping from 12.4 hours in September to 10.6 hours in November. Despite the reduction in rainfall, the wind speed begins to pick up, reaching 10.7km/h (6.6mph) in November.Winter weather in Hefei
Winter in Hefei, lasting from December to February, experiences the city's lowest temperatures, ranging from 1.3°C (34.3°F) to 3.5°C (38.3°F). Despite the cold, the city maintains good visibility at 10km (6.2mi), and a lesser cloud cover of 33% in December allows for more sunshine hours. With wind speeds gathering momentum to 11km/h (6.8mph) by February, and pressure rising to 1027.7mb in January, winters can feel harsh, especially with sporadic but substantial snowfall.Weather in January
Beginning the year, the Hefei, China experiences cooler weather with significant snowfall at 38mm (1.5"), the highest for the year. The brisk winds bring chilly air, making this a typical winter month. As outdoor activities might prove challenging due to the weather conditions, indulging in indoor activities could be the better alternative. Weather in January »Weather in February
Coming after January, February sees a slight rise in temperatures, making way to experience a slightly milder winter. Snowfall is lighter but still notable in comparison to the rest of the year. The time of sunshine and daylight are similarly limited as the previous month. Weather in February »Weather in March
The warmth of spring starts spreading its charm in March, marked by a remarkable jump in the average high and low temperatures. The pleasant and refreshing weather invigorates the heart of nature-lovers who can witness vivid flora and fauna soaked in the spring sun. Weather in March »Weather in April
April in Hefei is enjoyable with appreciable climatic conditions suitable for varied activities. There are noticeable increments in temperature, decreased snowfall, and increased rainfall, signalling the depth of the spring season. Weather in April »Weather in May
Moving ahead into the year, May sets the stage for the summer, with temperatures peaking at a sizzling 27.2°C (81°F). The floral beauty continues to bloom, despite seeing rainfall at 51mm (2.01"), a significant surge from April's 42mm (1.65"). Weather in May »Weather in June
The raw summer energy is unmistakable in Hefei during June. The warmest month brings a notable bump in humidity levels. The increment in rainfall, which doubles from May to reach 107mm (4.21"), signals the arrival of sporadic summer monsoons. Weather in June »Weather in July
July continues to maintain the elevated temperatures set by June. July witnesses an extremely high relative humidity level of 80%, coupled with the highest precipitation for the year at 142mm (5.59"). Extreme weather conditions might lead to travel disruptions, but the bounty of nature is in full display as the monsoons nourish the city's verdant landscape. Weather in July »Weather in August
August mirrors July in terms of temperature and humidity, maintaining summer's high intensity. Even though the rainfall decreases slightly from 142mm (5.59") to 119mm (4.69"), wet weather continues to be a defining factor. Extended daylight hours are complemented by equally generous sunshine, painting a vibrant picture of the city. Weather in August »Weather in September
The weather starts mellowing out by September, with a drop in temperature that signifies the arrival of autumn. The rainfall drastically decreases to 44mm (1.73") from August's 119mm (4.69"), indicating a respite from summer monsoons. Weather in September »Weather in October
October continues the downward trend, reverting back to pleasant temperatures. The significant drop in humidity presents a more comfortable experience to the residents of Hefei. Frequented tourist locations witness a surge in activity due to the weather conditions. Weather in October »Weather in November
The weather takes a sharp turn into winter modes in November. A steep drop in temperature, compared to October, reinstates the cooler weather. Hefei experiences a colder wind, preparing the city for the arrival of winter. The decreasing hours of daylight signal the immersion into a winter atmosphere. Weather in November »Weather in December
Wrapping up the year, December in Hefei is characteristically cold. It welcomes back winter with its low temperature, reintroducing snowfall after being absent since March. The winter heralds the festive season in Hefei, making it a charming end of the year. Weather in December »Updated: Jan 24, 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
The coldest month is January, with an average high-temperature of 7.5°C (45.5°F) and an average low-temperature of 1.3°C (34.3°F).
In Hefei, during the entire year, the rain falls for 144.1 days and collects up to 679mm (26.73") of precipitation.
January through April, November and December are months with snowfall.
Throughout the year, there are 7.6 snowfall days, and 116mm (4.57") of snow is accumulated.
January and December, with an average maximum UV index of 2, are months with the lowest UV index.
February is the month with the most snowfall. Snow falls for 2.4 days and accumulates 52mm (2.05") of snow.
February has the least sunshine of the year in Hefei, with an average of 5.3h of sunshine.
May through October are months without snowfall.
With an average of 14h and 12min of daylight, June has the longest days of the year.
Temperatures in Hefei, China, reach their maximum during July and August, recording an average high-temperature of 31.8°C (89.2°F).
With an average relative humidity of 80%, July is the most humid month in Hefei, China.
July is the month with the most rainfall. Rain falls for 19.8 days and accumulates 142mm (5.59") of precipitation.
With an average maximum UV index of 7, July is the month with the highest UV index in Hefei.
With an average of 9.6h of sunshine, August has the most sunshine of the year in Hefei.
The least humid month in Hefei, China, is December, with an average relative humidity of 61%.
December is the month with the least rainfall in Hefei. Rain falls for 6.8 days and accumulates 20mm (0.79") of precipitation.
The month with the shortest days in Hefei, China, is December, with an average of 10h and 6min of daylight.
Hefei, China, does not utilize Daylight Saving Time (DST). CST timezone is used throughout the entire year.
Average temperature
Hefei, China
The warmest months (with the highest average high temperature) are July and August (31.8°C).
The month with the lowest average high temperature is January (7.5°C).
The months with the highest average low temperature are July and August (24.3°C).
The coldest month (with the lowest average low temperature) is January (1.3°C).
Average pressure
Hefei, China
- Average pressure in January:
1027.7mbar - Average pressure in February:
1024.3mbar - Average pressure in March:
1020.4mbar - Average pressure in April:
1015mbar - Average pressure in May:
1010mbar - Average pressure in June:
1005.1mbar
- Average pressure in July:
1004mbar - Average pressure in August:
1005.8mbar - Average pressure in September:
1013.1mbar - Average pressure in October:
1019.7mbar - Average pressure in November:
1023.3mbar - Average pressure in December:
1027.2mbar
The month with the highest atmospheric pressure is January (1027.7mbar).
The month with the lowest atmospheric pressure is July (1004mbar).
Average wind speed
Hefei, China
- Average wind speed in January:
10.6km/h - Average wind speed in February:
11.6km/h - Average wind speed in March:
12km/h - Average wind speed in April:
11.4km/h - Average wind speed in May:
11km/h - Average wind speed in June:
10.2km/h
- Average wind speed in July:
9.7km/h - Average wind speed in August:
10.1km/h - Average wind speed in September:
9.6km/h - Average wind speed in October:
10.2km/h - Average wind speed in November:
10.7km/h - Average wind speed in December:
11km/h
The windiest month (with the highest average wind speed) is March (12km/h).
The calmest month (with the lowest average wind speed) is September (9.6km/h).
Average humidity
Hefei, China
The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is December (61%).
Average rainfall
Hefei, China
The wettest month (with the highest rainfall) is July (142mm).
The driest month (with the least rainfall) is December (20mm).
Average rainfall days
Hefei, China
- Average rainfall days in January:
7.8 days - Average rainfall days in February:
10.1 days - Average rainfall days in March:
11.2 days - Average rainfall days in April:
11.8 days - Average rainfall days in May:
11.4 days - Average rainfall days in June:
13.8 days
- Average rainfall days in July:
19.8 days - Average rainfall days in August:
20.3 days - Average rainfall days in September:
14.3 days - Average rainfall days in October:
8.6 days - Average rainfall days in November:
8.2 days - Average rainfall days in December:
6.8 days
The month with the highest number of rainy days is August (20.3 days).
The month with the least rainy days is December (6.8 days).
Average snowfall
Hefei, China
The month with the highest snowfall is February (52mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days
Hefei, China
- Average snowfall days in January:
3.3 days - Average snowfall days in February:
2.4 days - Average snowfall days in March:
0.6 days - Average snowfall days in April:
0.1 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:
0.5 days - Average snowfall days in December:
0.7 days
The month with the highest number of snowfall days is January (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Hefei, China
- Average daylight in January:
10h and 18min - Average daylight in February:
11h and 6min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 0min - Average daylight in May:
13h and 48min - Average daylight in June:
14h and 12min
- Average daylight in July:
14h and 0min - Average daylight in August:
13h and 18min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 24min - Average daylight in November:
10h and 36min - Average daylight in December:
10h and 6min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in January:
5h and 24min - Average sunshine in February:
5h and 18min - Average sunshine in March:
7h and 12min - Average sunshine in April:
9h and 18min - Average sunshine in May:
9h and 24min - Average sunshine in June:
9h and 30min
- Average sunshine in July:
9h and 18min - Average sunshine in August:
9h and 36min - Average sunshine in September:
8h and 0min - Average sunshine in October:
5h and 54min - Average sunshine in November:
5h and 42min - Average sunshine in December:
5h and 54min
The month with the most sunshine is August (Average sunshine: 9h and 36min).
The month with the least sunshine is February (Average sunshine: 5h and 18min).
Average sunshine days
Hefei, China
- Average sunshine days in January:
20.2 days - Average sunshine days in February:
16.1 days - Average sunshine days in March:
18 days - Average sunshine days in April:
17 days - Average sunshine days in May:
17.8 days - Average sunshine days in June:
13.9 days
- Average sunshine days in July:
9.2 days - Average sunshine days in August:
9.2 days - Average sunshine days in September:
13.9 days - Average sunshine days in October:
21.4 days - Average sunshine days in November:
20.1 days - Average sunshine days in December:
23.1 days
The month with the most sunshine days is December (23.1 days).
The months with the least sunshine days are July and August (9.2 days).
Average UV index
Hefei, China
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover
Hefei, China
The months with the most cloud cover are February and September (Cloud cover 45).
The month with the least cloud cover is December (Cloud cover 33).
Average visibility
Hefei, China
The months with the highest visibility are March, April, May, June, October, November and December (10km).
The months with the lowest visibility are January, February, July, August and September (9km).
