Tongzhou Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Tongzhou.

Climate overview of Tongzhou

The climate in Tongzhou, Jiangsu, China, is marked by large temperature swings across the seasons, ranging from 33°C (91°F) in July to 8°C (46°F) in January.

The city has a wet climate, receiving around 1290 mm (51 in) of rain/snowfall per year. Despite the high annual total, it has a distinct rainy season from June to August, with very warm summers and cold winters. June is the wettest month. Sunshine peaks in August, when the city sees around 8.2 hours of sunshine per day.

Tongzhou Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Tongzhou - and find the best time to visit.

Monthly Temperature in Tongzhou

In Tongzhou, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a very warm 33°C (91°F) in July to a chilly 8°C (46°F) in January.

Nighttime temperatures range from 26°C (79°F) in July to 2°C (36°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Tongzhou

Tongzhou experiences significant rain/snowfall throughout the year, averaging 1290 mm (51 in) of precipitation annually. The seasons in Tongzhou bring significant changes in precipitation. The wettest month, June, receives heavy rainfall, with an average of 236 mm (9.3 in) of precipitation. This rainfall is distributed across 13 rainy days.

In contrast, the driest month, December, experiences much less rainfall, totaling 41 mm (1.6 in) over 10 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Tongzhou Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

Sunshine Hours in Tongzhou

In Tongzhou, summer days are longer and more sunny, with daily sunshine hours peaking at 8.2 hours in August. As the darker season arrives, the brightness of the sun becomes less. February sees a soft sun for only 4.0 hours per average day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Zhangjiagang, China (55 KM, 34 Miles).

Daily hours of sunshine

Data from: Zhangjiagang, China (55 KM, 34 Miles).

Humidity in Tongzhou by Month

Best Time to Visit Tongzhou

The most comfortable overall weather for exploring Tongzhou is usually found in April and October. Conditions are generally least comfortable in January, February, July and August.

Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.

  • Best overall: April and October
  • Warmest weather: July and August
  • Most sunshine: August
  • Wettest months: May, June, July and August, when rainfall is highest.
  • Seasonal pattern: A distinct rainy season from June to August, with very warm summers and cold winters

Frequently asked questions about the climate in Tongzhou

What is the best time to visit Tongzhou?

April and October typically offer the most optimal weather in Tongzhou. In contrast, January, February, July and August tend to have less optimal conditions. Tongzhou has a distinct rainy season from June to August, with very warm summers and cold winters.

What temperatures can I expect in Tongzhou?

Daytime highs range from 8°C (46°F) in January to 33°C (91°F) in July. Nighttime lows range from 2°C (36°F) to 26°C (79°F). Temperatures vary considerably through the year.

How much rain does Tongzhou get?

Annual rainfall is around 1290 mm (51 in). June is the wettest month with 236 mm (9.3 in), while December is the driest with 41 mm (1.6 in).

How sunny is Tongzhou?

Tongzhou receives around 1,955 hours of sunshine per year. August is the sunniest month with 245 hours, while February is the cloudiest with just 120 hours.

Tongzhou 3-Day Forecast

Tongzhou on the map

Tongzhou is highlighted - select any city to see its climate.

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