Tongzhou Temperature by Month
The average annual maximum temperature in Tongzhou, Jiangsu, China is 21°C (70°F), with daytime highs ranging from 8°C (46°F) in January to 33°C (91°F) in July. This page covers monthly averages, day-night differences, and how Tongzhou compares to cities worldwide.
Tongzhou Monthly Temperatures
The climate in Tongzhou is dynamic, ranging widely from chilly in winter to very warm in summer. Nights are significantly colder, with lows dropping from 26°C (79°F) in July to 2°C (36°F) in January.
The chart below illustrates the average maximum day and minimum night temperatures in Tongzhou by month:
The minimum temperature is often recorded between 4 AM and 6 AM, while the highest temperature is usually reached at 3 PM, when the sun's heating effect is strongest. July, the warmest month, gets 225 hours of sunshine.
The chart below shows the average temperature throughout the year:
Temperature: Tongzhou vs China
The map below shows the annual temperature across China. You can also select individual months if you want to compare a specific time of year.
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Tongzhou vs World: Temperature Compared
Tongzhou's average annual maximum temperature is 21°C (70°F). To put that in context, here's how it compares to a few well-known destinations:
Athens, Greece sits at 23°C (73°F) on average, with hot dry summers and mild winters characteristic of the Mediterranean.
Zermatt, Switzerland averages just 4°C (39°F) annually due to its altitude, with very cold winters and cool summers even at its warmest.
San Francisco, USA averages 19°C (66°F) annually, but with little seasonal variation — summers are often cool and foggy, winters mild.
Tokyo, Japan averages 21°C (70°F) a year, with hot summers, cool winters, and a well-defined cherry blossom spring.
What Does the Temperature Feel Like in Tongzhou?
Temperature alone doesn't tell the whole story — humidity plays a big role in how warm or cold it actually feels. High humidity in summer makes the heat feel more intense, particularly once temperatures climb above 25°C. In winter, the same humidity can make cold air feel sharper than the thermometer suggests.
In the cooler months, when temperatures drop below 10°C, high humidity makes the cold feel more cutting than it would in dry conditions.
In Tongzhou, January is the coolest month, with average highs of 8°C (46°F) and humidity around 75% — considered high. In July, the warmest month, temperatures average 33°C (91°F) with 78% humidity — conditions that feel high. For a full picture, see our humidity page.
Climate temperature data is typically calculated as a 30-year average. This smooths out year-to-year variability and gives a more reliable picture of what a place is actually like, rather than what happened in any single unusual year.
The readings come from a range of sources — land-based weather stations, ocean buoys, ships, and satellites. That data is collected by weather services around the world, then pooled, quality-checked, and averaged to produce the climate records you see here.
Whether a city sits on the coast or deep inland makes a significant difference to its climate. Coastal areas tend to have more stable temperatures year-round — large bodies of water absorb heat slowly in summer and release it gradually in winter, keeping extremes in check. Cities far from the sea don't benefit from that buffer, which is why continental climates tend to have hotter summers and colder winters than their coastal counterparts at the same latitude.
For more on Tongzhou's weather — including monthly rainfall, sunshine hours, and humidity — visit our Tongzhou climate page.
