Jiayuguan, Gansu Weather by Month and Climate Averages

How much rain does Jiayuguan get?

Jiayuguan gets 147 mm of precipitation in an average year, spread over about 39 days with measurable rain. That is fewer rainy days than 90% of China.

February is the wettest month, with 34 mm. November is the driest, with 2 mm. July has the most rainy days, about 7.

The longest dry spell in the last five years lasted 51 days, to November 4, 2021.

Jiayuguan weather by month

Jiayuguan weather in January

In January, Jiayuguan averages a high of -2°C and a low of -15°C. It gets 12 mm of precipitation over about 2 rainy days. The sun is out about 67% of daylight hours. The January record high is 16°C (2014) and the record low is -28°C (2008).

Jiayuguan weather in February

In February, Jiayuguan averages a high of 3°C and a low of -11°C. It gets 34 mm of precipitation over about 2 rainy days. The sun is out about 57% of daylight hours. The February record high is 17°C (2021) and the record low is -28°C (1980).

Jiayuguan weather in March

In March, Jiayuguan averages a high of 10°C and a low of -3°C. It gets 7 mm of precipitation over about 3 rainy days. The sun is out about 56% of daylight hours. The March record high is 25°C (2003) and the record low is -26°C (2010).

Jiayuguan weather in April

In April, Jiayuguan averages a high of 18°C and a low of 3°C. It gets 4 mm of precipitation over about 2 rainy days. The sun is out about 53% of daylight hours. The April record high is 32°C (2004) and the record low is -11°C (1979). April is one of the most comfortable months to visit.

Jiayuguan weather in May

In May, Jiayuguan averages a high of 24°C and a low of 9°C. It gets 9 mm of precipitation over about 4 rainy days. The sun is out about 46% of daylight hours. The May record high is 34°C (2024) and the record low is -3°C (1981). May is one of the most comfortable months to visit.

Jiayuguan weather in June

In June, Jiayuguan averages a high of 28°C and a low of 14°C. It gets 18 mm of precipitation over about 5 rainy days. The sun is out about 48% of daylight hours. The June record high is 34°C (1999) and the record low is 2°C (1980).

Jiayuguan weather in July

In July, Jiayuguan averages a high of 29°C and a low of 16°C. It gets 22 mm of precipitation over about 7 rainy days. The sun is out about 60% of daylight hours. The July record high is 38°C (2010) and the record low is 8°C (1979).

Jiayuguan weather in August

In August, Jiayuguan averages a high of 28°C and a low of 13°C. It gets 19 mm of precipitation over about 6 rainy days. The sun is out about 57% of daylight hours. The August record high is 37°C (2023) and the record low is 4°C (1984).

Jiayuguan weather in September

In September, Jiayuguan averages a high of 23°C and a low of 8°C. It gets 11 mm of precipitation over about 3 rainy days. The sun is out about 63% of daylight hours. The September record high is 33°C (2023) and the record low is -4°C (2004). September is one of the most comfortable months to visit.

Jiayuguan weather in October

In October, Jiayuguan averages a high of 16°C and a low of 2°C. It gets 4 mm of precipitation over about 1 rainy days. The sun is out about 67% of daylight hours. The October record high is 27°C (2008) and the record low is -17°C (1986).

Jiayuguan weather in November

In November, Jiayuguan averages a high of 7°C and a low of -6°C. It gets 2 mm of precipitation over about 2 rainy days. The sun is out about 68% of daylight hours. The November record high is 20°C (2023) and the record low is -23°C (1971).

Jiayuguan weather in December

In December, Jiayuguan averages a high of 0°C and a low of -13°C. It gets 5 mm of precipitation over about 3 rainy days. The sun is out about 64% of daylight hours. The December record high is 17°C (1978) and the record low is -30°C (1991).

Sunshine, humidity and wind in Jiayuguan

November is the sunniest month in Jiayuguan, with sunshine about 68% of daylight hours. May is the cloudiest, at 46%. Over the year the sun shines about 59% of daylight hours. Jiayuguan is sunnier than 82% of China.

Humidity peaks in December at 43% and is lowest in April at 25%.

Jiayuguan has about 12 days a year above 32°C. Jiayuguan is cooler than 67% of China.

First and last freeze in Jiayuguan

The first fall freeze in Jiayuguan typically comes around October 11, and the last spring freeze around April 22. That leaves a frost-free growing season of about 172 days.

Jiayuguan weather records

The hottest temperature on record at the Jiayuguan station is 38°C, on July 20, 2010. The coldest is -30°C, on December 27, 1991.

The wettest day on record brought 90 mm of rain, on February 2, 2019.

41 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 Jiayuguan

The most comfortable time to visit is typically April to May and September, when daytime highs sit near 22°C.

Winter (December–February) is cold, with average highs around 1°C and lows near -13°C.

Spring (March–May) is mild, with average highs around 17°C and lows near 3°C.

Summer (June–August) is hot, with average highs around 29°C and lows near 14°C.

Autumn (September–November) is mild, with average highs around 15°C and lows near 1°C.

Jiayuguan climate questions

How much rain does Jiayuguan get?

Jiayuguan gets 147 mm of precipitation in an average year, over about 39 rainy days.

What is the wettest month in Jiayuguan?

February is the wettest month in Jiayuguan, with 34 mm. November is the driest, with 2 mm.

How many rainy days does Jiayuguan have a year?

Jiayuguan has about 39 days with measurable rain in an average year. July has the most, about 7.

What is the hottest month in Jiayuguan?

July is the warmest month in Jiayuguan, with an average high of 29°C.

What is the coldest month in Jiayuguan?

January is the coldest month in Jiayuguan, with an average low of -15°C.

What is the record high temperature in Jiayuguan?

The record high at the Jiayuguan station is 38°C, set on July 20, 2010. The record low is -30°C, on December 27, 1991.

What is the sunniest month in Jiayuguan?

November is the sunniest month in Jiayuguan, with sunshine about 68% of daylight hours. May is the cloudiest.

When is the first frost in Jiayuguan?

The first fall freeze in Jiayuguan typically comes around October 11. The last spring freeze is around April 22.

What is the best time to visit Jiayuguan?

The most comfortable time to visit is typically April to May and September, when daytime highs sit near 22°C.