Nantong, Jiangsu Weather by Month and Climate Averages

How much rain does Nantong get?

Nantong 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.

Nantong weather by month

Nantong weather in January

In January, Nantong 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 43% of daylight hours. The January record high is 23°C (2020) and the record low is -8°C (2021).

Nantong weather in February

In February, Nantong 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 37% of daylight hours. The February record high is 27°C (1998) and the record low is -6°C (2018).

Nantong weather in March

In March, Nantong 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 36% of daylight hours. The March record high is 31°C (2013) and the record low is -3°C (2024).

Nantong weather in April

In April, Nantong 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 33% 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.

Nantong weather in May

In May, Nantong 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 33% 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.

Nantong weather in June

In June, Nantong 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 23% of daylight hours. The June record high is 37°C (2006) and the record low is 14°C (2004).

Nantong weather in July

In July, Nantong 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 21% of daylight hours. The July record high is 39°C (2022) and the record low is 17°C (2015).

Nantong weather in August

In August, Nantong 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 42% of daylight hours. The August record high is 40°C (2022) and the record low is 18°C (2019).

Nantong weather in September

In September, Nantong 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).

Nantong weather in October

In October, Nantong 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.

Nantong weather in November

In November, Nantong 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 52% 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.

Nantong weather in December

In December, Nantong 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 54% of daylight hours. The December record high is 24°C (2023) and the record low is -8°C (1991).

Sunshine, humidity and wind in Nantong

December is the sunniest month in Nantong, with sunshine about 54% of daylight hours. July is the cloudiest, at 21%. Over the year the sun shines about 38% of daylight hours. Nantong is cloudier than 69% of China.

Humidity peaks in July at 81% and is lowest in December at 66%.

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

First and last freeze in Nantong

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

Nantong weather records

The hottest temperature on record at the Nantong 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 Nantong

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.

Nantong climate questions

How much rain does Nantong get?

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

What is the wettest month in Nantong?

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

How many rainy days does Nantong have a year?

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

What is the hottest month in Nantong?

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

What is the coldest month in Nantong?

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

What is the record high temperature in Nantong?

The record high at the Nantong 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 Nantong?

December is the sunniest month in Nantong, with sunshine about 54% of daylight hours. July is the cloudiest.

When is the first frost in Nantong?

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

What is the best time to visit Nantong?

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