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Dengzhou, 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 Dengzhou, Henan?
Dengzhou, Henan gets 822 mm of precipitation a year over about 107 rainy days. July is the warmest month (average high 32°C) and January the coldest (average low -1°C).
Humid subtropical climate
Dengzhou, Henan has hot summers and chilly winters. Daytime highs range from about 8°C in January to 32°C in July. August is usually the wettest month. The most comfortable time to visit is typically April and October, when daytime highs sit near 23°C.
| Season | Months | Avg low | Avg high |
|---|---|---|---|
| Winter | Dec–Feb | 1° | 10° |
| Spring | Mar–May | 12° | 22° |
| Summer | Jun–Aug | 23° | 32° |
| Autumn | Sep–Nov | 13° | 22° |
How much rain does Dengzhou get?
Dengzhou gets 822 mm of precipitation in an average year, spread over about 107 days with measurable rain. That is more rainy days than 57% of China.
August is the wettest month, with 131 mm. December is the driest, with 18 mm. August has the most rainy days, about 11.
The longest dry spell in the last five years lasted 39 days, to September 28, 2024.
From October 2025 to September 2026 Dengzhou got 1063 mm of rain, against a normal of 822 mm for those months. July 2026 had the most, with 811 mm.
Dengzhou weather by month
Dengzhou weather in January
In January, Dengzhou averages a high of 8°C and a low of -1°C. It gets 24 mm of precipitation over about 6 rainy days. Estimated sunshine is 48% of daylight hours, derived from ERA5 cloud cover. The January record high is 22°C (2002) and the record low is -17°C (1977).
Dengzhou weather in February
In February, Dengzhou averages a high of 11°C and a low of 2°C. It gets 22 mm of precipitation over about 7 rainy days. Estimated sunshine is 40% of daylight hours, derived from ERA5 cloud cover. The February record high is 28°C (2021) and the record low is -10°C (1977).
Dengzhou weather in March
In March, Dengzhou averages a high of 16°C and a low of 6°C. It gets 48 mm of precipitation over about 9 rainy days. Estimated sunshine is 36% of daylight hours, derived from ERA5 cloud cover. The March record high is 31°C (2013) and the record low is -4°C (2003).
Dengzhou weather in April
In April, Dengzhou averages a high of 23°C and a low of 12°C. It gets 65 mm of precipitation over about 9 rainy days. Estimated sunshine is 35% of daylight hours, derived from ERA5 cloud cover. The April record high is 37°C (2011) and the record low is 0°C (1987). April is one of the most comfortable months to visit.
Dengzhou weather in May
In May, Dengzhou averages a high of 28°C and a low of 17°C. It gets 99 mm of precipitation over about 10 rainy days. Estimated sunshine is 35% of daylight hours, derived from ERA5 cloud cover. The May record high is 39°C (2011) and the record low is 6°C (1981).
Dengzhou weather in June
In June, Dengzhou averages a high of 31°C and a low of 21°C. It gets 91 mm of precipitation over about 9 rainy days. Estimated sunshine is 34% of daylight hours, derived from ERA5 cloud cover. The June record high is 41°C (1974) and the record low is 14°C (1978).
Dengzhou weather in July
In July, Dengzhou averages a high of 32°C and a low of 24°C. It gets 130 mm of precipitation over about 11 rainy days. Estimated sunshine is 31% of daylight hours, derived from ERA5 cloud cover. The July record high is 39°C (2011) and the record low is 16°C (2015).
Dengzhou weather in August
In August, Dengzhou averages a high of 31°C and a low of 23°C. It gets 131 mm of precipitation over about 11 rainy days. Estimated sunshine is 40% of daylight hours, derived from ERA5 cloud cover. The August record high is 41°C (2022) and the record low is 16°C (1984).
Dengzhou weather in September
In September, Dengzhou averages a high of 27°C and a low of 18°C. It gets 81 mm of precipitation over about 11 rainy days. Estimated sunshine is 44% of daylight hours, derived from ERA5 cloud cover. The September record high is 39°C (2024) and the record low is 9°C (1978).
Dengzhou weather in October
In October, Dengzhou averages a high of 23°C and a low of 13°C. It gets 69 mm of precipitation over about 10 rainy days. Estimated sunshine is 40% of daylight hours, derived from ERA5 cloud cover. The October record high is 38°C (2022) and the record low is 0°C (1978). October is one of the most comfortable months to visit.
Dengzhou weather in November
In November, Dengzhou averages a high of 16°C and a low of 7°C. It gets 44 mm of precipitation over about 8 rainy days. Estimated sunshine is 49% of daylight hours, derived from ERA5 cloud cover. The November record high is 29°C (2006) and the record low is -4°C (1976).
Dengzhou weather in December
In December, Dengzhou averages a high of 10°C and a low of 1°C. It gets 18 mm of precipitation over about 6 rainy days. Estimated sunshine is 60% of daylight hours, derived from ERA5 cloud cover. The December record high is 23°C (2010) and the record low is -13°C (1991).
Sunshine, humidity and wind in Dengzhou
December is the sunniest month in Dengzhou, with estimated sunshine of 60% of daylight hours from ERA5 cloud cover. July is the cloudiest, at 31%. The annual cloud-cover estimate is 41% of daylight hours; it is not a measurement of sunshine duration. Dengzhou is cloudier than 62% of China.
Humidity peaks in July at 78% and is lowest in May at 58%.
Dengzhou has about 52 days a year above 32°C. Dengzhou is hotter than 78% of China.
First and last freeze in Dengzhou
The first fall freeze in Dengzhou typically comes around December 1, and the last spring freeze around March 6. That leaves a frost-free growing season of about 270 days.
Dengzhou weather records
These records cover GUANGHUA during 1970–2026. Earlier records or other stations in the city may differ.
The hottest temperature on record at the Dengzhou station is 41°C, on August 15, 2022. The coldest is -17°C, on January 31, 1977.
The wettest day in the available station history brought 243 mm of precipitation, on July 7, 2005.
42 all-time records have been set at the station since 1970.
The annual mean temperature has changed by +0.3°C per decade since 1970.
The best time to visit Dengzhou
The most comfortable time to visit is typically April and October, when daytime highs sit near 23°C.
Winter (December–February) is chilly, with average highs around 10°C and lows near 1°C.
Spring (March–May) is warm, with average highs around 22°C and lows near 11°C.
Summer (June–August) is hot, with average highs around 32°C and lows near 23°C. It can feel humid.
Autumn (September–November) is warm, with average highs around 22°C and lows near 13°C.
Monthly climate
| Month | Average low | Average high | Precip | Rain days | Humidity | Estimated sunshine | Record high | Record low |
|---|---|---|---|---|---|---|---|---|
| January | -1° | 8° | 24 mm | 6 | 65% | 48% | 22° | -17° |
| February | 2° | 11° | 22 mm | 7 | 65% | 40% | 28° | -10° |
| March | 6° | 16° | 48 mm | 9 | 63% | 36% | 31° | -4° |
| April | 12° | 23° | 65 mm | 9 | 63% | 35% | 37° | 0° |
| May | 17° | 28° | 99 mm | 10 | 58% | 35% | 39° | 6° |
| June | 21° | 31° | 91 mm | 9 | 63% | 34% | 41° | 14° |
| July | 24° | 32° | 130 mm | 11 | 78% | 31% | 39° | 16° |
| August | 23° | 31° | 131 mm | 11 | 74% | 40% | 41° | 16° |
| September | 18° | 27° | 81 mm | 11 | 68% | 44% | 39° | 9° |
| October | 13° | 23° | 69 mm | 10 | 70% | 40% | 38° | 0° |
| November | 7° | 16° | 44 mm | 8 | 65% | 49% | 29° | -4° |
| December | 1° | 10° | 18 mm | 6 | 59% | 60% | 23° | -13° |
Station: GUANGHUA, 52 km from the city. Temperature normal baseline: 1991–2020, calculated from available NOAA GHCN-Daily observations. Available station history: 1970–2026; 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.
Dengzhou climate questions
How much rain does Dengzhou get?
Dengzhou gets 822 mm of precipitation in an average year, over about 107 rainy days.
What is the wettest month in Dengzhou?
August is the wettest month in Dengzhou, with 131 mm. December is the driest, with 18 mm.
How many rainy days does Dengzhou have a year?
Dengzhou has about 107 days with measurable rain in an average year. August has the most, about 11.
What is the hottest month in Dengzhou?
July is the warmest month in Dengzhou, with an average high of 32°C.
What is the coldest month in Dengzhou?
January is the coldest month in Dengzhou, with an average low of -1°C.
What is the record high temperature in Dengzhou?
Within the available 1970–2026 station history, the record high at the Dengzhou station is 41°C, set on August 15, 2022. The record low is -17°C, on January 31, 1977.
What is the sunniest month in Dengzhou?
December is the sunniest month in Dengzhou, with estimated sunshine of 60% of daylight hours from ERA5 cloud cover. July is the cloudiest.
When is the first frost in Dengzhou?
The first fall freeze in Dengzhou typically comes around December 1. The last spring freeze is around March 6.
What is the best time to visit Dengzhou?
The most comfortable time to visit is typically April and October, when daytime highs sit near 23°C.