Wuwei, Gansu Weather by Month and Climate Averages

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).

Wuwei climate at a glance

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.

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.

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. The sun is out about 70% of daylight hours. 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. The sun is out about 58% of daylight hours. 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. The sun is out about 52% of daylight hours. 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. The sun is out about 46% of daylight hours. 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. The sun is out about 45% of daylight hours. 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. The sun is out about 44% of daylight hours. 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. The sun is out about 55% of daylight hours. 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. The sun is out about 49% of daylight hours. 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. The sun is out about 50% of daylight hours. 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. The sun is out about 60% of daylight hours. 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. The sun is out about 70% of daylight hours. 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. The sun is out about 69% of daylight hours. 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 sunshine about 70% of daylight hours. June is the cloudiest, at 44%. Over the year the sun shines about 56% of daylight hours. 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

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 on record brought 50 mm of rain, 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

MonthPrecipRain daysHumiditySunshineRecord highRecord low
January3.0 mm438%70%10°-28°
February5.3 mm736%58%14°-31°
March12 mm926%52%19°-25°
April21 mm1027%46%22°-20°
May43 mm1326%45%23°-14°
June76 mm1430%44%23°-4°
July93 mm1737%55%28°-1°
August95 mm1744%49%26°-1°
September67 mm1651%50%23°-8°
October25 mm1144%60%19°-19°
November5.6 mm539%70%16°-26°
December2.0 mm343%69%10°-31°

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?

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 sunshine about 70% of daylight hours. 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.

Source: NOAA GHCN-Daily station WUSHAOLING (83 km away).

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Normals from NOAA GHCN-Daily station WUSHAOLING.