Zhengzhou, Henan Weather by Month and Climate Averages

Zhengzhou, Henan gets 666 mm of precipitation a year over about 75 rainy days. June is the warmest month (average high 32°C) and January the coldest (average low -3°C).

Zhengzhou climate at a glance

Subtropical monsoon climate

Zhengzhou, Henan has hot summers and chilly winters. Daytime highs range from about 6°C in January to 32°C in June. August is usually the wettest month. The most comfortable time to visit is typically April and October, when daytime highs sit near 22°C.

How much rain does Zhengzhou get?

Zhengzhou gets 666 mm of precipitation in an average year, spread over about 75 days with measurable rain. That is fewer rainy days than 67% of China.

August is the wettest month, with 140 mm. December is the driest, with 8 mm. July has the most rainy days, about 11.

The longest dry spell in the last five years lasted 51 days, to January 22, 2025.

Zhengzhou weather by month

Zhengzhou weather in January

In January, Zhengzhou averages a high of 6°C and a low of -3°C. It gets 14 mm of precipitation over about 3 rainy days. The sun is out about 56% of daylight hours. The January record high is 21°C (1979) and the record low is -16°C (1990).

Zhengzhou weather in February

In February, Zhengzhou averages a high of 10°C and a low of -1°C. It gets 15 mm of precipitation over about 4 rainy days. The sun is out about 48% of daylight hours. The February record high is 28°C (2021) and the record low is -18°C (1990).

Zhengzhou weather in March

In March, Zhengzhou averages a high of 16°C and a low of 4°C. It gets 20 mm of precipitation over about 5 rainy days. The sun is out about 44% of daylight hours. The March record high is 33°C (2013) and the record low is -8°C (1992).

Zhengzhou weather in April

In April, Zhengzhou averages a high of 22°C and a low of 11°C. It gets 41 mm of precipitation over about 6 rainy days. The sun is out about 44% of daylight hours. The April record high is 39°C (2006) and the record low is -3°C (1970). April is one of the most comfortable months to visit.

Zhengzhou weather in May

In May, Zhengzhou averages a high of 28°C and a low of 16°C. It gets 60 mm of precipitation over about 6 rainy days. The sun is out about 46% of daylight hours. The May record high is 41°C (2025) and the record low is 3°C (1972).

Zhengzhou weather in June

In June, Zhengzhou averages a high of 32°C and a low of 21°C. It gets 68 mm of precipitation over about 7 rainy days. The sun is out about 45% of daylight hours. The June record high is 42°C (2011) and the record low is 11°C (1980).

Zhengzhou weather in July

In July, Zhengzhou averages a high of 32°C and a low of 23°C. It gets 140 mm of precipitation over about 11 rainy days. The sun is out about 38% of daylight hours. The July record high is 42°C (2002) and the record low is 15°C (1976).

Zhengzhou weather in August

In August, Zhengzhou averages a high of 31°C and a low of 22°C. It gets 140 mm of precipitation over about 10 rainy days. The sun is out about 44% of daylight hours. The August record high is 40°C (1986) and the record low is 12°C (2003).

Zhengzhou weather in September

In September, Zhengzhou averages a high of 27°C and a low of 17°C. It gets 82 mm of precipitation over about 8 rainy days. The sun is out about 49% of daylight hours. The September record high is 38°C (2024) and the record low is 5°C (1972).

Zhengzhou weather in October

In October, Zhengzhou averages a high of 22°C and a low of 11°C. It gets 42 mm of precipitation over about 6 rainy days. The sun is out about 46% of daylight hours. The October record high is 34°C (1987) and the record low is -2°C (1986). October is one of the most comfortable months to visit.

Zhengzhou weather in November

In November, Zhengzhou averages a high of 14°C and a low of 4°C. It gets 36 mm of precipitation over about 5 rainy days. The sun is out about 54% of daylight hours. The November record high is 31°C (2023) and the record low is -13°C (1993).

Zhengzhou weather in December

In December, Zhengzhou averages a high of 8°C and a low of -1°C. It gets 8 mm of precipitation over about 3 rainy days. The sun is out about 64% of daylight hours. The December record high is 27°C (2023) and the record low is -18°C (1971).

Sunshine, humidity and wind in Zhengzhou

December is the sunniest month in Zhengzhou, with sunshine about 64% of daylight hours. July is the cloudiest, at 38%. Over the year the sun shines about 48% of daylight hours. Zhengzhou is sunnier than 56% of China.

Humidity peaks in August at 76% and is lowest in March at 46%.

Zhengzhou has about 49 days a year above 32°C. Zhengzhou is hotter than 71% of China.

First and last freeze in Zhengzhou

The first fall freeze in Zhengzhou typically comes around November 18, and the last spring freeze around March 17. That leaves a frost-free growing season of about 246 days.

Zhengzhou weather records

The hottest temperature on record at the Zhengzhou station is 42°C, on June 8, 2011. The coldest is -18°C, on December 27, 1971.

The wettest day on record brought 189 mm of rain, on July 2, 1978.

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

The annual mean temperature has changed by +0.4°C per decade since 1970.

The best time to visit Zhengzhou

The most comfortable time to visit is typically April and October, when daytime highs sit near 22°C.

Winter (December–February) is chilly, with average highs around 8°C and lows near -2°C.

Spring (March–May) is warm, with average highs around 22°C and lows near 10°C.

Summer (June–August) is hot, with average highs around 32°C and lows near 22°C.

Autumn (September–November) is warm, with average highs around 21°C and lows near 11°C.

Monthly climate

MonthPrecipRain daysHumiditySunshineRecord highRecord low
January14 mm353%56%21°-16°
February15 mm452%48%28°-18°
March20 mm546%44%33°-8°
April41 mm648%44%39°-3°
May60 mm646%46%41°
June68 mm750%45%42°11°
July140 mm1175%38%42°15°
August140 mm1076%44%40°12°
September82 mm866%49%38°
October42 mm663%46%34°-2°
November36 mm555%54%31°-13°
December8.1 mm346%64%27°-18°

From ERA5 reanalysis. Sunshine is estimated from cloud cover.

Zhengzhou climate questions

How much rain does Zhengzhou get?

Zhengzhou gets 666 mm of precipitation in an average year, over about 75 rainy days.

What is the wettest month in Zhengzhou?

August is the wettest month in Zhengzhou, with 140 mm. December is the driest, with 8 mm.

How many rainy days does Zhengzhou have a year?

Zhengzhou has about 75 days with measurable rain in an average year. July has the most, about 11.

What is the hottest month in Zhengzhou?

June is the warmest month in Zhengzhou, with an average high of 32°C.

What is the coldest month in Zhengzhou?

January is the coldest month in Zhengzhou, with an average low of -3°C.

What is the record high temperature in Zhengzhou?

The record high at the Zhengzhou station is 42°C, set on June 8, 2011. The record low is -18°C, on December 27, 1971.

What is the sunniest month in Zhengzhou?

December is the sunniest month in Zhengzhou, with sunshine about 64% of daylight hours. July is the cloudiest.

When is the first frost in Zhengzhou?

The first fall freeze in Zhengzhou typically comes around November 18. The last spring freeze is around March 17.

What is the best time to visit Zhengzhou?

The most comfortable time to visit is typically April and October, when daytime highs sit near 22°C.

Source: NOAA GHCN-Daily station ZHENGZHOU (5 km away).

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Normals from NOAA GHCN-Daily station ZHENGZHOU.