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Kaifeng, Henan Weather by Month and Climate Averages
Monthly normals · Rain · Snow
Sunshine · Freeze dates · Records · Best time to visit
What is the weather like in Kaifeng, Henan?
Kaifeng, 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).
Subtropical monsoon climate
Kaifeng, 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.
| Season | Months | Avg low | Avg high |
|---|---|---|---|
| Winter | Dec–Feb | -2° | 8° |
| Spring | Mar–May | 11° | 22° |
| Summer | Jun–Aug | 22° | 32° |
| Autumn | Sep–Nov | 11° | 21° |
How much rain does Kaifeng get?
Kaifeng 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.
Kaifeng weather by month
Kaifeng weather in January
In January, Kaifeng averages a high of 6°C and a low of -3°C. It gets 14 mm of precipitation over about 3 rainy days. Estimated sunshine is 55% of daylight hours, derived from ERA5 cloud cover. The January record high is 21°C (1979) and the record low is -16°C (1990).
Kaifeng weather in February
In February, Kaifeng averages a high of 10°C and a low of -1°C. It gets 15 mm of precipitation over about 4 rainy days. Estimated sunshine is 48% of daylight hours, derived from ERA5 cloud cover. The February record high is 28°C (2021) and the record low is -18°C (1990).
Kaifeng weather in March
In March, Kaifeng averages a high of 16°C and a low of 4°C. It gets 20 mm of precipitation over about 5 rainy days. Estimated sunshine is 44% of daylight hours, derived from ERA5 cloud cover. The March record high is 33°C (2013) and the record low is -8°C (1992).
Kaifeng weather in April
In April, Kaifeng averages a high of 22°C and a low of 11°C. It gets 41 mm of precipitation over about 6 rainy days. Estimated sunshine is 44% of daylight hours, derived from ERA5 cloud cover. 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.
Kaifeng weather in May
In May, Kaifeng averages a high of 28°C and a low of 16°C. It gets 60 mm of precipitation over about 6 rainy days. Estimated sunshine is 46% of daylight hours, derived from ERA5 cloud cover. The May record high is 41°C (2025) and the record low is 3°C (1972).
Kaifeng weather in June
In June, Kaifeng averages a high of 32°C and a low of 21°C. It gets 68 mm of precipitation over about 7 rainy days. Estimated sunshine is 45% of daylight hours, derived from ERA5 cloud cover. The June record high is 42°C (2011) and the record low is 11°C (1980).
Kaifeng weather in July
In July, Kaifeng averages a high of 32°C and a low of 23°C. It gets 140 mm of precipitation over about 11 rainy days. Estimated sunshine is 38% of daylight hours, derived from ERA5 cloud cover. The July record high is 42°C (2002) and the record low is 15°C (1976).
Kaifeng weather in August
In August, Kaifeng averages a high of 31°C and a low of 22°C. It gets 140 mm of precipitation over about 10 rainy days. Estimated sunshine is 45% of daylight hours, derived from ERA5 cloud cover. The August record high is 40°C (1986) and the record low is 12°C (2003).
Kaifeng weather in September
In September, Kaifeng averages a high of 27°C and a low of 17°C. It gets 82 mm of precipitation over about 8 rainy days. Estimated sunshine is 49% of daylight hours, derived from ERA5 cloud cover. The September record high is 38°C (2024) and the record low is 5°C (1972).
Kaifeng weather in October
In October, Kaifeng averages a high of 22°C and a low of 11°C. It gets 42 mm of precipitation over about 6 rainy days. Estimated sunshine is 46% of daylight hours, derived from ERA5 cloud cover. 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.
Kaifeng weather in November
In November, Kaifeng averages a high of 14°C and a low of 4°C. It gets 36 mm of precipitation over about 5 rainy days. Estimated sunshine is 54% of daylight hours, derived from ERA5 cloud cover. The November record high is 31°C (2023) and the record low is -13°C (1993).
Kaifeng weather in December
In December, Kaifeng averages a high of 8°C and a low of -1°C. It gets 8 mm of precipitation over about 3 rainy days. Estimated sunshine is 64% of daylight hours, derived from ERA5 cloud cover. The December record high is 27°C (2023) and the record low is -18°C (1971).
Sunshine, humidity and wind in Kaifeng
December is the sunniest month in Kaifeng, with estimated sunshine of 64% of daylight hours from ERA5 cloud cover. July is the cloudiest, at 38%. The annual cloud-cover estimate is 48% of daylight hours; it is not a measurement of sunshine duration. Kaifeng is sunnier than 56% of China.
Humidity peaks in July at 76% and is lowest in March at 47%.
Kaifeng has about 49 days a year above 32°C. Kaifeng is hotter than 71% of China.
First and last freeze in Kaifeng
The first fall freeze in Kaifeng typically comes around November 18, and the last spring freeze around March 17. That leaves a frost-free growing season of about 246 days.
Kaifeng weather records
These records cover ZHENGZHOU during 1970–2025. Earlier records or other stations in the city may differ.
The hottest temperature on record at the Kaifeng station is 42°C, on June 8, 2011. The coldest is -18°C, on December 27, 1971.
The wettest day in the available station history brought 189 mm of precipitation, 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 Kaifeng
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
| Month | Average low | Average high | Precip | Rain days | Humidity | Estimated sunshine | Record high | Record low |
|---|---|---|---|---|---|---|---|---|
| January | -3° | 6° | 14 mm | 3 | 56% | 55% | 21° | -16° |
| February | -1° | 10° | 15 mm | 4 | 53% | 48% | 28° | -18° |
| March | 4° | 16° | 20 mm | 5 | 47% | 44% | 33° | -8° |
| April | 11° | 22° | 41 mm | 6 | 50% | 44% | 39° | -3° |
| May | 16° | 28° | 60 mm | 6 | 48% | 46% | 41° | 3° |
| June | 21° | 32° | 68 mm | 7 | 51% | 45% | 42° | 11° |
| July | 23° | 32° | 140 mm | 11 | 76% | 38% | 42° | 15° |
| August | 22° | 31° | 140 mm | 10 | 76% | 45% | 40° | 12° |
| September | 17° | 27° | 82 mm | 8 | 66% | 49% | 38° | 5° |
| October | 11° | 22° | 42 mm | 6 | 63% | 46% | 34° | -2° |
| November | 4° | 14° | 36 mm | 5 | 56% | 54% | 31° | -13° |
| December | -1° | 8° | 8.1 mm | 3 | 49% | 64% | 27° | -18° |
Station: ZHENGZHOU, 61 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.
Kaifeng climate questions
How much rain does Kaifeng get?
Kaifeng gets 666 mm of precipitation in an average year, over about 75 rainy days.
What is the wettest month in Kaifeng?
August is the wettest month in Kaifeng, with 140 mm. December is the driest, with 8 mm.
How many rainy days does Kaifeng have a year?
Kaifeng has about 75 days with measurable rain in an average year. July has the most, about 11.
What is the hottest month in Kaifeng?
June is the warmest month in Kaifeng, with an average high of 32°C.
What is the coldest month in Kaifeng?
January is the coldest month in Kaifeng, with an average low of -3°C.
What is the record high temperature in Kaifeng?
Within the available 1970–2025 station history, the record high at the Kaifeng 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 Kaifeng?
December is the sunniest month in Kaifeng, with estimated sunshine of 64% of daylight hours from ERA5 cloud cover. July is the cloudiest.
When is the first frost in Kaifeng?
The first fall freeze in Kaifeng typically comes around November 18. The last spring freeze is around March 17.
What is the best time to visit Kaifeng?
The most comfortable time to visit is typically April and October, when daytime highs sit near 22°C.