Climate Insights for Datong

The climate in Datong is cool. The average annual temperature is 7°C and approximately 462mm of precipitation falls per year. July is the wettest month, receiving around 111mm of rainfall. Datong is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, June, August. The coldest months are January, December, February, when temperatures can drop to -16°C. Light snow can occur between January and December.

Datong has a wide annual temperature range, spanning 43°C from the coldest to warmest months. The warmest month is July, when average highs reach 27°C and the mean temperature sits around 22°C. January brings the harshest conditions, with lows dropping to -16°C and an average temperature of -10°C. On average, daily temperatures fluctuate by about 12°C between overnight lows and afternoon highs. The sharpest temperature change occurs between February and March, with a 9°C shift in average temperatures.

Datong is a relatively dry area, receiving approximately 462mm of precipitation annually, which averages out to around 38mm per month. The wettest month is July, averaging 111mm of rainfall. August and September also tend to see above-average precipitation. The driest month is December, with just 2mm. That's 109mm less than July, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic. Light snowfall can occur between January and December, totalling around 26cm annually. November is the snowiest month with approximately 6cm.

Datong is mildly breezy, with an average annual wind speed of 16km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is May, averaging 19km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 12km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 7km/h gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 16km/h in winter, 19km/h in spring, 13km/h in summer, 15km/h in autumn.

It is currently spring in Datong, which began on March 20, 2026. Datong is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in July at around 27°C, while the coldest stretch bottoms out in January near -16°C. Summer is next, beginning on June 21, 2026 — 89 days from now.

The best time to visit Datong is during May, June, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 61mm per month. By contrast, July can be uncomfortably hot with highs reaching 27°C, while January is the coldest period with lows dropping to -16°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

The table below shows monthly climate averages for Datong based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.