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Wuhai, Inner Mongolia Weather by Month and Climate Averages
Monthly normals · Rain · Snow
Sunshine · Freeze dates · Records · Best time to visit
What is the weather like in Wuhai, Inner Mongolia?
Wuhai, Inner Mongolia gets 112 mm of precipitation a year over about 31 rainy days. July is the warmest month (average high 33°C) and January the coldest (average low -16°C).
Cold desert climate
Wuhai, Inner Mongolia has hot summers and cold winters. Daytime highs range from about -1°C in January to 33°C in July. August is usually the wettest month. The most comfortable time to visit is typically April to May and September to October, when daytime highs sit near 23°C.
| Season | Months | Avg low | Avg high |
|---|---|---|---|
| Winter | Dec–Feb | -13° | 1° |
| Spring | Mar–May | 4° | 19° |
| Summer | Jun–Aug | 18° | 32° |
| Autumn | Sep–Nov | 3° | 17° |
How much rain does Wuhai get?
Wuhai gets 112 mm of precipitation in an average year, spread over about 31 days with measurable rain. That is fewer rainy days than 94% of China.
August is the wettest month, with 27 mm. January is the driest, with 1 mm. July has the most rainy days, about 6.
The longest dry spell in the last five years lasted 92 days, to February 6, 2022.
From October 2025 to September 2026 Wuhai got 50 mm of rain, against a normal of 112 mm for those months. September 2026 had the most, with 42 mm.
Wuhai weather by month
Wuhai weather in January
In January, Wuhai averages a high of -2°C and a low of -16°C. It gets 1 mm of precipitation over about 1 rainy days. Estimated sunshine is 75% of daylight hours, derived from ERA5 cloud cover. The January record high is 13°C (2014) and the record low is -31°C (1971).
Wuhai weather in February
In February, Wuhai averages a high of 4°C and a low of -12°C. It gets 1 mm of precipitation over about 1 rainy days. Estimated sunshine is 64% of daylight hours, derived from ERA5 cloud cover. The February record high is 20°C (2010) and the record low is -28°C (2008).
Wuhai weather in March
In March, Wuhai averages a high of 12°C and a low of -4°C. It gets 3 mm of precipitation over about 2 rainy days. Estimated sunshine is 63% of daylight hours, derived from ERA5 cloud cover. The March record high is 28°C (2018) and the record low is -19°C (1988).
Wuhai weather in April
In April, Wuhai averages a high of 20°C and a low of 4°C. It gets 4 mm of precipitation over about 2 rainy days. Estimated sunshine is 57% of daylight hours, derived from ERA5 cloud cover. The April record high is 36°C (1994) and the record low is -12°C (1972). April is one of the most comfortable months to visit.
Wuhai weather in May
In May, Wuhai averages a high of 27°C and a low of 11°C. It gets 13 mm of precipitation over about 3 rainy days. Estimated sunshine is 55% of daylight hours, derived from ERA5 cloud cover. The May record high is 39°C (2018) and the record low is -2°C (1995). May is one of the most comfortable months to visit.
Wuhai weather in June
In June, Wuhai averages a high of 31°C and a low of 17°C. It gets 14 mm of precipitation over about 4 rainy days. Estimated sunshine is 56% of daylight hours, derived from ERA5 cloud cover. The June record high is 41°C (2005) and the record low is 3°C (1970).
Wuhai weather in July
In July, Wuhai averages a high of 33°C and a low of 19°C. It gets 25 mm of precipitation over about 6 rainy days. Estimated sunshine is 58% of daylight hours, derived from ERA5 cloud cover. The July record high is 42°C (2021) and the record low is 11°C (1989).
Wuhai weather in August
In August, Wuhai averages a high of 31°C and a low of 17°C. It gets 27 mm of precipitation over about 5 rainy days. Estimated sunshine is 57% of daylight hours, derived from ERA5 cloud cover. The August record high is 41°C (2002) and the record low is 9°C (1986).
Wuhai weather in September
In September, Wuhai averages a high of 26°C and a low of 11°C. It gets 18 mm of precipitation over about 5 rainy days. Estimated sunshine is 58% of daylight hours, derived from ERA5 cloud cover. The September record high is 38°C (1998) and the record low is -2°C (1982). September is one of the most comfortable months to visit.
Wuhai weather in October
In October, Wuhai averages a high of 18°C and a low of 3°C. It gets 5 mm of precipitation over about 2 rainy days. Estimated sunshine is 68% of daylight hours, derived from ERA5 cloud cover. The October record high is 31°C (2016) and the record low is -13°C (1974). October is one of the most comfortable months to visit.
Wuhai weather in November
In November, Wuhai averages a high of 8°C and a low of -6°C. It gets 2 mm of precipitation over about 1 rainy days. Estimated sunshine is 75% of daylight hours, derived from ERA5 cloud cover. The November record high is 24°C (2023) and the record low is -22°C (2022).
Wuhai weather in December
In December, Wuhai averages a high of 1°C and a low of -13°C. It gets 1 mm of precipitation over about 1 rainy days. Estimated sunshine is 79% of daylight hours, derived from ERA5 cloud cover. The December record high is 16°C (2023) and the record low is -32°C (2002).
Sunshine, humidity and wind in Wuhai
December is the sunniest month in Wuhai, with estimated sunshine of 79% of daylight hours from ERA5 cloud cover. May is the cloudiest, at 55%. The annual cloud-cover estimate is 64% of daylight hours; it is not a measurement of sunshine duration. Wuhai is sunnier than 97% of China.
Humidity peaks in September at 49% and is lowest in March at 23%.
Wuhai has about 52 days a year above 32°C. Wuhai is hotter than 76% of China.
First and last freeze in Wuhai
The first fall freeze in Wuhai typically comes around October 13, and the last spring freeze around April 23. That leaves a frost-free growing season of about 173 days.
Wuhai weather records
These records cover JARTAI during 1970–2026. Earlier records or other stations in the city may differ.
The hottest temperature on record at the Wuhai station is 42°C, on July 9, 2021. The coldest is -32°C, on December 27, 2002.
The wettest day in the available station history brought 44 mm of precipitation, on July 28, 1977.
55 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 Wuhai
The most comfortable time to visit is typically April to May and September to October, when daytime highs sit near 23°C.
Winter (December–February) is cold, with average highs around 1°C and lows near -14°C.
Spring (March–May) is mild, with average highs around 20°C and lows near 4°C.
Summer (June–August) is hot, with average highs around 32°C and lows near 18°C.
Autumn (September–November) is mild, with average highs around 17°C and lows near 3°C.
Monthly climate
| Month | Average low | Average high | Precip | Rain days | Humidity | Estimated sunshine | Record high | Record low |
|---|---|---|---|---|---|---|---|---|
| January | -16° | -2° | 0.5 mm | 1 | 47% | 75% | 13° | -31° |
| February | -12° | 4° | 1.0 mm | 1 | 40% | 64% | 20° | -28° |
| March | -4° | 12° | 3.0 mm | 2 | 23% | 63% | 28° | -19° |
| April | 4° | 20° | 3.8 mm | 2 | 24% | 57% | 36° | -12° |
| May | 11° | 27° | 13 mm | 3 | 24% | 55% | 39° | -2° |
| June | 17° | 31° | 14 mm | 4 | 28% | 56% | 41° | 3° |
| July | 19° | 33° | 25 mm | 6 | 37% | 58% | 42° | 11° |
| August | 17° | 31° | 27 mm | 5 | 46% | 57% | 41° | 9° |
| September | 11° | 26° | 18 mm | 5 | 49% | 58% | 38° | -2° |
| October | 3° | 18° | 5.3 mm | 2 | 40% | 68% | 31° | -13° |
| November | -6° | 8° | 2.0 mm | 1 | 43% | 75% | 24° | -22° |
| December | -13° | 1° | 0.5 mm | 1 | 45% | 79% | 16° | -32° |
Station: JARTAI, 92 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.
Wuhai climate questions
How much rain does Wuhai get?
Wuhai gets 112 mm of precipitation in an average year, over about 31 rainy days.
What is the wettest month in Wuhai?
August is the wettest month in Wuhai, with 27 mm. January is the driest, with 1 mm.
How many rainy days does Wuhai have a year?
Wuhai has about 31 days with measurable rain in an average year. July has the most, about 6.
What is the hottest month in Wuhai?
July is the warmest month in Wuhai, with an average high of 33°C.
What is the coldest month in Wuhai?
January is the coldest month in Wuhai, with an average low of -16°C.
What is the record high temperature in Wuhai?
Within the available 1970–2026 station history, the record high at the Wuhai station is 42°C, set on July 9, 2021. The record low is -32°C, on December 27, 2002.
What is the sunniest month in Wuhai?
December is the sunniest month in Wuhai, with estimated sunshine of 79% of daylight hours from ERA5 cloud cover. May is the cloudiest.
When is the first frost in Wuhai?
The first fall freeze in Wuhai typically comes around October 13. The last spring freeze is around April 23.
What is the best time to visit Wuhai?
The most comfortable time to visit is typically April to May and September to October, when daytime highs sit near 23°C.