Jiashan, Zhejiang Weather by Month and Climate Averages

How much rain does Jiashan get?

Jiashan gets 1268 mm of precipitation in an average year, spread over about 123 days with measurable rain. That is more rainy days than 68% of China.

August is the wettest month, with 214 mm. December is the driest, with 51 mm. June has the most rainy days, about 14.

The longest dry spell in the last five years lasted 26 days, to January 11, 2023.

Jiashan weather by month

Jiashan weather in January

In January, Jiashan averages a high of 8°C and a low of 2°C. It gets 72 mm of precipitation over about 10 rainy days. The sun is out about 44% of daylight hours. The January record high is 23°C (2020) and the record low is -8°C (2021).

Jiashan weather in February

In February, Jiashan averages a high of 10°C and a low of 3°C. It gets 67 mm of precipitation over about 10 rainy days. The sun is out about 34% of daylight hours. The February record high is 27°C (1998) and the record low is -6°C (2018).

Jiashan weather in March

In March, Jiashan averages a high of 14°C and a low of 7°C. It gets 90 mm of precipitation over about 12 rainy days. The sun is out about 34% of daylight hours. The March record high is 31°C (2013) and the record low is -3°C (2024).

Jiashan weather in April

In April, Jiashan averages a high of 20°C and a low of 12°C. It gets 80 mm of precipitation over about 11 rainy days. The sun is out about 32% of daylight hours. The April record high is 34°C (2005) and the record low is 2°C (1991). April is one of the most comfortable months to visit.

Jiashan weather in May

In May, Jiashan averages a high of 25°C and a low of 17°C. It gets 93 mm of precipitation over about 11 rainy days. The sun is out about 28% of daylight hours. The May record high is 35°C (2011) and the record low is 8°C (2019). May is one of the most comfortable months to visit.

Jiashan weather in June

In June, Jiashan averages a high of 28°C and a low of 22°C. It gets 206 mm of precipitation over about 14 rainy days. The sun is out about 18% of daylight hours. The June record high is 37°C (2006) and the record low is 14°C (2004).

Jiashan weather in July

In July, Jiashan averages a high of 32°C and a low of 26°C. It gets 146 mm of precipitation over about 11 rainy days. The sun is out about 20% of daylight hours. The July record high is 39°C (2022) and the record low is 17°C (2015).

Jiashan weather in August

In August, Jiashan averages a high of 32°C and a low of 26°C. It gets 214 mm of precipitation over about 12 rainy days. The sun is out about 43% of daylight hours. The August record high is 40°C (2022) and the record low is 18°C (2019).

Jiashan weather in September

In September, Jiashan averages a high of 28°C and a low of 22°C. It gets 116 mm of precipitation over about 10 rainy days. The sun is out about 38% of daylight hours. The September record high is 37°C (2003) and the record low is 14°C (1992).

Jiashan weather in October

In October, Jiashan averages a high of 23°C and a low of 17°C. It gets 75 mm of precipitation over about 7 rainy days. The sun is out about 43% of daylight hours. The October record high is 37°C (2022) and the record low is 7°C (1993). October is one of the most comfortable months to visit.

Jiashan weather in November

In November, Jiashan averages a high of 17°C and a low of 11°C. It gets 59 mm of precipitation over about 9 rainy days. The sun is out about 51% of daylight hours. The November record high is 29°C (2023) and the record low is -2°C (2015). November is one of the most comfortable months to visit.

Jiashan weather in December

In December, Jiashan averages a high of 11°C and a low of 4°C. It gets 51 mm of precipitation over about 8 rainy days. The sun is out about 57% of daylight hours. The December record high is 24°C (2023) and the record low is -8°C (1991).

Sunshine, humidity and wind in Jiashan

December is the sunniest month in Jiashan, with sunshine about 57% of daylight hours. June is the cloudiest, at 18%. Over the year the sun shines about 37% of daylight hours. Jiashan is cloudier than 72% of China.

Humidity peaks in June at 82% and is lowest in December at 66%.

Jiashan has about 41 days a year above 32°C. Jiashan is hotter than 62% of China.

First and last freeze in Jiashan

The first fall freeze in Jiashan typically comes around December 9, and the last spring freeze around February 24. That leaves a frost-free growing season of about 288 days.

Jiashan weather records

The hottest temperature on record at the Jiashan station is 40°C, on August 19, 2022. The coldest is -8°C, on January 24, 2016.

The wettest day on record brought 189 mm of rain, on October 7, 2013.

38 all-time records have been set at the station since 1991.

The best time to visit Jiashan

The most comfortable time to visit is typically April to May and October to November, when daytime highs sit near 21°C.

Winter (December–February) is chilly, with average highs around 10°C and lows near 3°C.

Spring (March–May) is mild, with average highs around 20°C and lows near 12°C.

Summer (June–August) is hot, with average highs around 31°C and lows near 24°C. It can feel humid.

Autumn (September–November) is warm, with average highs around 23°C and lows near 16°C.

Jiashan climate questions

How much rain does Jiashan get?

Jiashan gets 1268 mm of precipitation in an average year, over about 123 rainy days.

What is the wettest month in Jiashan?

August is the wettest month in Jiashan, with 214 mm. December is the driest, with 51 mm.

How many rainy days does Jiashan have a year?

Jiashan has about 123 days with measurable rain in an average year. June has the most, about 14.

What is the hottest month in Jiashan?

July is the warmest month in Jiashan, with an average high of 32°C.

What is the coldest month in Jiashan?

January is the coldest month in Jiashan, with an average low of 2°C.

What is the record high temperature in Jiashan?

The record high at the Jiashan station is 40°C, set on August 19, 2022. The record low is -8°C, on January 24, 2016.

What is the sunniest month in Jiashan?

December is the sunniest month in Jiashan, with sunshine about 57% of daylight hours. June is the cloudiest.

When is the first frost in Jiashan?

The first fall freeze in Jiashan typically comes around December 9. The last spring freeze is around February 24.

What is the best time to visit Jiashan?

The most comfortable time to visit is typically April to May and October to November, when daytime highs sit near 21°C.