Datun, Jiangsu Weather by Month and Climate Averages

How much rain does Datun get?

Datun gets 864 mm of precipitation in an average year, spread over about 81 days with measurable rain. That is fewer rainy days than 62% of China.

July is the wettest month, with 242 mm. January is the driest, with 20 mm. July has the most rainy days, about 12.

The longest dry spell in the last five years lasted 36 days, to November 11, 2022.

Datun weather by month

Datun weather in January

In January, Datun averages a high of 6°C and a low of -3°C. It gets 20 mm of precipitation over about 4 rainy days. The sun is out about 53% of daylight hours. The January record high is 20°C (1979) and the record low is -13°C (1970).

Datun weather in February

In February, Datun averages a high of 9°C and a low of 0°C. It gets 21 mm of precipitation over about 5 rainy days. The sun is out about 44% of daylight hours. The February record high is 26°C (2009) and the record low is -16°C (1990).

Datun weather in March

In March, Datun averages a high of 14°C and a low of 4°C. It gets 33 mm of precipitation over about 6 rainy days. The sun is out about 44% of daylight hours. The March record high is 32°C (2025) and the record low is -8°C (1988).

Datun weather in April

In April, Datun averages a high of 21°C and a low of 11°C. It gets 38 mm of precipitation over about 6 rainy days. The sun is out about 43% of daylight hours. The April record high is 34°C (1978) and the record low is -2°C (1991). April is one of the most comfortable months to visit.

Datun weather in May

In May, Datun averages a high of 27°C and a low of 16°C. It gets 66 mm of precipitation over about 7 rainy days. The sun is out about 46% of daylight hours. The May record high is 38°C (1982) and the record low is 6°C (1981).

Datun weather in June

In June, Datun averages a high of 31°C and a low of 21°C. It gets 121 mm of precipitation over about 8 rainy days. The sun is out about 42% of daylight hours. The June record high is 41°C (1972) and the record low is 12°C (1987).

Datun weather in July

In July, Datun averages a high of 32°C and a low of 24°C. It gets 242 mm of precipitation over about 12 rainy days. The sun is out about 33% of daylight hours. The July record high is 40°C (1988) and the record low is 16°C (1976).

Datun weather in August

In August, Datun averages a high of 31°C and a low of 23°C. It gets 155 mm of precipitation over about 11 rainy days. The sun is out about 44% of daylight hours. The August record high is 38°C (2013) and the record low is 13°C (2003).

Datun weather in September

In September, Datun averages a high of 27°C and a low of 18°C. It gets 72 mm of precipitation over about 7 rainy days. The sun is out about 50% of daylight hours. The September record high is 37°C (2024) and the record low is 7°C (1972).

Datun weather in October

In October, Datun averages a high of 22°C and a low of 12°C. It gets 40 mm of precipitation over about 6 rainy days. The sun is out about 48% of daylight hours. The October record high is 34°C (1998) and the record low is -1°C (1974). October is one of the most comfortable months to visit.

Datun weather in November

In November, Datun averages a high of 14°C and a low of 4°C. It gets 36 mm of precipitation over about 5 rainy days. The sun is out about 52% of daylight hours. The November record high is 29°C (2023) and the record low is -9°C (2015).

Datun weather in December

In December, Datun averages a high of 8°C and a low of -1°C. It gets 20 mm of precipitation over about 4 rainy days. The sun is out about 62% of daylight hours. The December record high is 23°C (2023) and the record low is -13°C (1991).

Sunshine, humidity and wind in Datun

December is the sunniest month in Datun, with sunshine about 62% of daylight hours. July is the cloudiest, at 33%. Over the year the sun shines about 47% of daylight hours. Datun is sunnier than 52% of China.

Humidity peaks in July at 81% and is lowest in March at 56%.

Datun has about 39 days a year above 32°C. Datun is hotter than 60% of China.

First and last freeze in Datun

The first fall freeze in Datun typically comes around November 18, and the last spring freeze around March 14. That leaves a frost-free growing season of about 249 days.

Datun weather records

The hottest temperature on record at the Datun station is 41°C, on June 11, 1972. The coldest is -16°C, on February 1, 1990.

The wettest day on record brought 315 mm of rain, on July 17, 1997.

35 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 Datun

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

Winter (December–February) is chilly, with average highs around 8°C and lows near -1°C.

Spring (March–May) is warm, with average highs around 21°C and lows near 10°C.

Summer (June–August) is hot, with average highs around 31°C and lows near 23°C. It can feel humid.

Autumn (September–November) is warm, with average highs around 21°C and lows near 12°C.

Datun climate questions

How much rain does Datun get?

Datun gets 864 mm of precipitation in an average year, over about 81 rainy days.

What is the wettest month in Datun?

July is the wettest month in Datun, with 242 mm. January is the driest, with 20 mm.

How many rainy days does Datun have a year?

Datun has about 81 days with measurable rain in an average year. July has the most, about 12.

What is the hottest month in Datun?

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

What is the coldest month in Datun?

January is the coldest month in Datun, with an average low of -3°C.

What is the record high temperature in Datun?

The record high at the Datun station is 41°C, set on June 11, 1972. The record low is -16°C, on February 1, 1990.

What is the sunniest month in Datun?

December is the sunniest month in Datun, with sunshine about 62% of daylight hours. July is the cloudiest.

When is the first frost in Datun?

The first fall freeze in Datun typically comes around November 18. The last spring freeze is around March 14.

What is the best time to visit Datun?

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