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Wuwei, Gansu Weather by Month and Climate Averages
Monthly normals · Rain · Snow
Sunshine · Freeze dates · Records · Best time to visit
What is the weather like in Wuwei, Gansu?
Wuwei, Gansu gets 448 mm of precipitation a year over about 126 rainy days. July is the warmest month (average high 17°C) and January the coldest (average low -16°C).
Subarctic climate
Wuwei, Gansu has mild summers and cold winters. Daytime highs range from about -5°C in January to 17°C in July. August is usually the wettest month. The most comfortable time to visit is typically July, when daytime highs sit near 17°C.
| Season | Months | Avg low | Avg high |
|---|---|---|---|
| Winter | Dec–Feb | -15° | -3° |
| Spring | Mar–May | -4° | 7° |
| Summer | Jun–Aug | 7° | 16° |
| Autumn | Sep–Nov | -3° | 7° |
How much rain does Wuwei get?
Wuwei gets 448 mm of precipitation in an average year, spread over about 126 days with measurable rain. That is more rainy days than 70% of China.
August is the wettest month, with 95 mm. December is the driest, with 2 mm. August has the most rainy days, about 17.
The longest dry spell in the last five years lasted 30 days, to January 18, 2024.
From October 2025 to September 2026 Wuwei got 12 mm of rain, against a normal of 448 mm for those months. September 2026 had the most, with 10 mm.
Wuwei weather by month
Wuwei weather in January
In January, Wuwei averages a high of -5°C and a low of -16°C. It gets 3 mm of precipitation over about 4 rainy days. Estimated sunshine is 70% of daylight hours, derived from ERA5 cloud cover. The January record high is 10°C (1983) and the record low is -28°C (2009).
Wuwei weather in February
In February, Wuwei averages a high of -3°C and a low of -14°C. It gets 5 mm of precipitation over about 7 rainy days. Estimated sunshine is 58% of daylight hours, derived from ERA5 cloud cover. The February record high is 14°C (2009) and the record low is -31°C (1980).
Wuwei weather in March
In March, Wuwei averages a high of 2°C and a low of -9°C. It gets 12 mm of precipitation over about 9 rainy days. Estimated sunshine is 52% of daylight hours, derived from ERA5 cloud cover. The March record high is 19°C (2003) and the record low is -25°C (2010).
Wuwei weather in April
In April, Wuwei averages a high of 7°C and a low of -3°C. It gets 21 mm of precipitation over about 10 rainy days. Estimated sunshine is 46% of daylight hours, derived from ERA5 cloud cover. The April record high is 22°C (1998) and the record low is -20°C (2018).
Wuwei weather in May
In May, Wuwei averages a high of 11°C and a low of 1°C. It gets 43 mm of precipitation over about 13 rainy days. Estimated sunshine is 45% of daylight hours, derived from ERA5 cloud cover. The May record high is 23°C (2018) and the record low is -14°C (1981).
Wuwei weather in June
In June, Wuwei averages a high of 15°C and a low of 6°C. It gets 76 mm of precipitation over about 14 rainy days. Estimated sunshine is 44% of daylight hours, derived from ERA5 cloud cover. The June record high is 23°C (1997) and the record low is -4°C (1980).
Wuwei weather in July
In July, Wuwei averages a high of 17°C and a low of 8°C. It gets 93 mm of precipitation over about 17 rainy days. Estimated sunshine is 55% of daylight hours, derived from ERA5 cloud cover. The July record high is 28°C (2000) and the record low is -1°C (1978). July is one of the most comfortable months to visit.
Wuwei weather in August
In August, Wuwei averages a high of 16°C and a low of 7°C. It gets 95 mm of precipitation over about 17 rainy days. Estimated sunshine is 49% of daylight hours, derived from ERA5 cloud cover. The August record high is 26°C (1972) and the record low is -1°C (1993).
Wuwei weather in September
In September, Wuwei averages a high of 12°C and a low of 3°C. It gets 67 mm of precipitation over about 16 rainy days. Estimated sunshine is 50% of daylight hours, derived from ERA5 cloud cover. The September record high is 23°C (1977) and the record low is -8°C (1971).
Wuwei weather in October
In October, Wuwei averages a high of 7°C and a low of -3°C. It gets 25 mm of precipitation over about 11 rainy days. Estimated sunshine is 60% of daylight hours, derived from ERA5 cloud cover. The October record high is 19°C (2019) and the record low is -19°C (1986).
Wuwei weather in November
In November, Wuwei averages a high of 1°C and a low of -9°C. It gets 6 mm of precipitation over about 5 rainy days. Estimated sunshine is 70% of daylight hours, derived from ERA5 cloud cover. The November record high is 16°C (2020) and the record low is -26°C (2022).
Wuwei weather in December
In December, Wuwei averages a high of -3°C and a low of -14°C. It gets 2 mm of precipitation over about 3 rainy days. Estimated sunshine is 69% of daylight hours, derived from ERA5 cloud cover. The December record high is 10°C (1991) and the record low is -31°C (2004).
Sunshine, humidity and wind in Wuwei
January is the sunniest month in Wuwei, with estimated sunshine of 70% of daylight hours from ERA5 cloud cover. June is the cloudiest, at 44%. The annual cloud-cover estimate is 56% of daylight hours; it is not a measurement of sunshine duration. Wuwei is sunnier than 73% of China.
Humidity peaks in September at 51% and is lowest in March at 26%.
First and last freeze in Wuwei
The first fall freeze in Wuwei typically comes around September 17, and the last spring freeze around June 2. That leaves a frost-free growing season of about 107 days.
Wuwei weather records
These records cover WUSHAOLING during 1970–2026. Earlier records or other stations in the city may differ.
The hottest temperature on record at the Wuwei station is 28°C, on July 24, 2000. The coldest is -31°C, on December 30, 2004.
The wettest day in the available station history brought 50 mm of precipitation, on June 19, 2020.
43 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 Wuwei
The most comfortable time to visit is typically July, when daytime highs sit near 17°C.
Winter (December–February) is cold, with average highs around -3°C and lows near -15°C.
Spring (March–May) is chilly, with average highs around 7°C and lows near -4°C.
Summer (June–August) is mild, with average highs around 16°C and lows near 7°C.
Autumn (September–November) is chilly, with average highs around 7°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° | -5° | 3.0 mm | 4 | 38% | 70% | 10° | -28° |
| February | -14° | -3° | 5.3 mm | 7 | 36% | 58% | 14° | -31° |
| March | -9° | 2° | 12 mm | 9 | 26% | 52% | 19° | -25° |
| April | -3° | 7° | 21 mm | 10 | 27% | 46% | 22° | -20° |
| May | 1° | 11° | 43 mm | 13 | 26% | 45% | 23° | -14° |
| June | 6° | 15° | 76 mm | 14 | 30% | 44% | 23° | -4° |
| July | 8° | 17° | 93 mm | 17 | 37% | 55% | 28° | -1° |
| August | 7° | 16° | 95 mm | 17 | 44% | 49% | 26° | -1° |
| September | 3° | 12° | 67 mm | 16 | 51% | 50% | 23° | -8° |
| October | -3° | 7° | 25 mm | 11 | 44% | 60% | 19° | -19° |
| November | -9° | 1° | 5.6 mm | 5 | 39% | 70% | 16° | -26° |
| December | -14° | -3° | 2.0 mm | 3 | 43% | 69% | 10° | -31° |
Station: WUSHAOLING, 83 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.
Wuwei climate questions
How much rain does Wuwei get?
Wuwei gets 448 mm of precipitation in an average year, over about 126 rainy days.
What is the wettest month in Wuwei?
August is the wettest month in Wuwei, with 95 mm. December is the driest, with 2 mm.
How many rainy days does Wuwei have a year?
Wuwei has about 126 days with measurable rain in an average year. August has the most, about 17.
What is the hottest month in Wuwei?
July is the warmest month in Wuwei, with an average high of 17°C.
What is the coldest month in Wuwei?
January is the coldest month in Wuwei, with an average low of -16°C.
What is the record high temperature in Wuwei?
Within the available 1970–2026 station history, the record high at the Wuwei station is 28°C, set on July 24, 2000. The record low is -31°C, on December 30, 2004.
What is the sunniest month in Wuwei?
January is the sunniest month in Wuwei, with estimated sunshine of 70% of daylight hours from ERA5 cloud cover. June is the cloudiest.
When is the first frost in Wuwei?
The first fall freeze in Wuwei typically comes around September 17. The last spring freeze is around June 2.
What is the best time to visit Wuwei?
The most comfortable time to visit is typically July, when daytime highs sit near 17°C.