Hechuan, Chongqing Weather by Month and Climate Averages

Monthly normals · Rain · Snow
Sunshine · Freeze dates · Records · Best time to visit

What is the weather like in Hechuan, Chongqing?

Hechuan, Chongqing gets 1179 mm of precipitation a year over about 147 rainy days. July is the warmest month (average high 33°C) and January the coldest (average low 6°C).

Humid subtropical climate

Hechuan, Chongqing has hot summers and chilly winters. Daytime highs range from about 10°C in January to 34°C in August. June is usually the wettest month. The most comfortable time to visit is typically March to April and October to November, when daytime highs sit near 20°C.

SeasonMonthsAvg lowAvg high
WinterDec–Feb7°12°
SpringMar–May16°23°
SummerJun–Aug24°32°
AutumnSep–Nov17°23°

How much rain does Hechuan get?

Hechuan gets 1179 mm of precipitation in an average year, spread over about 147 days with measurable rain. That is more rainy days than 86% of China.

June is the wettest month, with 213 mm. January is the driest, with 21 mm. June has the most rainy days, about 16.

The longest dry spell in the last five years lasted 24 days, to August 29, 2022.

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Hechuan weather by month

Hechuan weather in January

In January, Hechuan averages a high of 11°C and a low of 6°C. It gets 21 mm of precipitation over about 9 rainy days. Estimated sunshine is 26% of daylight hours, derived from ERA5 cloud cover. The January record high is 19°C (2024) and the record low is -1°C (1970).

Hechuan weather in February

In February, Hechuan averages a high of 13°C and a low of 8°C. It gets 23 mm of precipitation over about 8 rainy days. Estimated sunshine is 26% of daylight hours, derived from ERA5 cloud cover. The February record high is 28°C (2021) and the record low is 0°C (1972).

Hechuan weather in March

In March, Hechuan averages a high of 18°C and a low of 11°C. It gets 58 mm of precipitation over about 11 rainy days. Estimated sunshine is 29% of daylight hours, derived from ERA5 cloud cover. The March record high is 34°C (2025) and the record low is 1°C (1986). March is one of the most comfortable months to visit.

Hechuan weather in April

In April, Hechuan averages a high of 24°C and a low of 16°C. It gets 105 mm of precipitation over about 14 rainy days. Estimated sunshine is 24% of daylight hours, derived from ERA5 cloud cover. The April record high is 37°C (2004) and the record low is 4°C (1972). April is one of the most comfortable months to visit.

Hechuan weather in May

In May, Hechuan averages a high of 27°C and a low of 19°C. It gets 147 mm of precipitation over about 16 rainy days. Estimated sunshine is 25% of daylight hours, derived from ERA5 cloud cover. The May record high is 39°C (2011) and the record low is 11°C (1991).

Hechuan weather in June

In June, Hechuan averages a high of 29°C and a low of 22°C. It gets 213 mm of precipitation over about 16 rainy days. Estimated sunshine is 18% of daylight hours, derived from ERA5 cloud cover. The June record high is 39°C (2025) and the record low is 16°C (1970).

Hechuan weather in July

In July, Hechuan averages a high of 33°C and a low of 25°C. It gets 180 mm of precipitation over about 12 rainy days. Estimated sunshine is 28% of daylight hours, derived from ERA5 cloud cover. The July record high is 41°C (2022) and the record low is 19°C (1973).

Hechuan weather in August

In August, Hechuan averages a high of 33°C and a low of 25°C. It gets 128 mm of precipitation over about 11 rainy days. Estimated sunshine is 35% of daylight hours, derived from ERA5 cloud cover. The August record high is 44°C (2022) and the record low is 18°C (1986).

Hechuan weather in September

In September, Hechuan averages a high of 29°C and a low of 21°C. It gets 130 mm of precipitation over about 13 rainy days. Estimated sunshine is 33% of daylight hours, derived from ERA5 cloud cover. The September record high is 42°C (2024) and the record low is 14°C (1972).

Hechuan weather in October

In October, Hechuan averages a high of 22°C and a low of 17°C. It gets 96 mm of precipitation over about 16 rainy days. Estimated sunshine is 20% of daylight hours, derived from ERA5 cloud cover. The October record high is 37°C (2022) and the record low is 7°C (1986). October is one of the most comfortable months to visit.

Hechuan weather in November

In November, Hechuan averages a high of 17°C and a low of 12°C. It gets 53 mm of precipitation over about 11 rainy days. Estimated sunshine is 27% of daylight hours, derived from ERA5 cloud cover. The November record high is 29°C (2003) and the record low is 3°C (1975). November is one of the most comfortable months to visit.

Hechuan weather in December

In December, Hechuan averages a high of 12°C and a low of 8°C. It gets 25 mm of precipitation over about 10 rainy days. Estimated sunshine is 24% of daylight hours, derived from ERA5 cloud cover. The December record high is 19°C (2002) and the record low is -2°C (1975).

Sunshine, humidity and wind in Hechuan

August is the sunniest month in Hechuan, with estimated sunshine of 35% of daylight hours from ERA5 cloud cover. June is the cloudiest, at 18%. The annual cloud-cover estimate is 26% of daylight hours; it is not a measurement of sunshine duration. Hechuan is cloudier than 96% of China.

Humidity peaks in October at 82% and is lowest in August at 62%.

Hechuan has about 61 days a year above 32°C. Hechuan is hotter than 83% of China.

Hechuan weather records

These records cover CHONGQING during 1970–2025. Earlier records or other stations in the city may differ.

The hottest temperature on record at the Hechuan station is 44°C, on August 19, 2022. The coldest is -2°C, on December 15, 1975.

The wettest day in the available station history brought 271 mm of precipitation, on July 17, 2007.

53 all-time records have been set at the station since 1970.

The annual mean temperature has changed by +0.2°C per decade since 1970.

The best time to visit Hechuan

The most comfortable time to visit is typically March to April and October to November, when daytime highs sit near 20°C.

Winter (December–February) is chilly, with average highs around 12°C and lows near 7°C.

Spring (March–May) is warm, with average highs around 23°C and lows near 15°C.

Summer (June–August) is hot, with average highs around 32°C and lows near 24°C. It can feel humid.

Autumn (September–November) is warm, with average highs around 23°C and lows near 17°C.

Monthly climate

MonthAverage lowAverage highPrecipRain daysHumidityEstimated sunshineRecord highRecord low
January6°11°21 mm978%26%19°-1°
February8°13°23 mm874%26%28°0°
March11°18°58 mm1171%29%34°1°
April16°24°105 mm1474%24%37°4°
May19°27°147 mm1675%25%39°11°
June22°29°213 mm1680%18%39°16°
July25°33°180 mm1275%28%41°19°
August25°33°128 mm1162%35%44°18°
September21°29°130 mm1370%33%42°14°
October17°22°96 mm1682%20%37°7°
November12°17°53 mm1180%27%29°3°
December8°12°25 mm1078%24%19°-2°

Station: CHONGQING, 50 km from the city. Temperature normal baseline: 1991–2020, calculated from available NOAA GHCN-Daily observations. Available station history: 1970–2025; record values refer to this station and period, not the entire city’s history. Precipitation includes rain and the water equivalent of frozen precipitation; snowfall depth is shown separately when available. Sources and methods

From ERA5 reanalysis. Sunshine is estimated from cloud cover.

Hechuan climate questions

How much rain does Hechuan get?

Hechuan gets 1179 mm of precipitation in an average year, over about 147 rainy days.

What is the wettest month in Hechuan?

June is the wettest month in Hechuan, with 213 mm. January is the driest, with 21 mm.

How many rainy days does Hechuan have a year?

Hechuan has about 147 days with measurable rain in an average year. June has the most, about 16.

What is the hottest month in Hechuan?

July is the warmest month in Hechuan, with an average high of 33°C.

What is the coldest month in Hechuan?

January is the coldest month in Hechuan, with an average low of 6°C.

What is the record high temperature in Hechuan?

Within the available 1970–2025 station history, the record high at the Hechuan station is 44°C, set on August 19, 2022. The record low is -2°C, on December 15, 1975.

What is the sunniest month in Hechuan?

August is the sunniest month in Hechuan, with estimated sunshine of 35% of daylight hours from ERA5 cloud cover. June is the cloudiest.

What is the best time to visit Hechuan?

The most comfortable time to visit is typically March to April and October to November, when daytime highs sit near 20°C.