Datong climate — normals and trends
Datong (China) has a hot-summer humid continental, dry winter climate (Dwa) under the Köppen-Geiger classification. Its mean annual temperature is 7.3 °C and it receives 524 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is July (22.6 °C on average) and the coldest is January (-10.3 °C). Rainfall peaks in August.
Datong averages 167 frost days, 20 hot days (≥ 30 °C) and 75 rainy days per year.
Datong has warmed by +2.4 °C between 1940 and 2025, or +0.29 °C per decade. This trend is statistically significant.
The number of frost days there went from about 179 to 155 per year over the period.
The hottest day of the period reached 38.6 °C (on 29 July 2010) and the coldest -36.2 °C (on 18 February 1952).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
DatongShanxi
- coords
- 40.09°, 113.29°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
7.3°C
Average daily high
13.7°C
Average daily low
1.3°C
Annual rainfall
524mm
Sunshine / day
9.8h
Mean relative humidity
54%
Average peak wind
15.9km/h
Seasonal range
32.9°C
Frost days (< 0 °C)
167 d/yr
Hot days (≥ 30 °C)
20 d/yr
Rainy days (≥ 1 mm)
75 d/yr
Annual snowfall
24.2 cm
Average feels-like high
10.5 °C
Average feels-like low
-1.6 °C
Average peak gust
32.1 km/h
Tropical nights (≥ 20 °C)
6 d/yr
Solar radiation
16.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.4 °C
since 1940
+0.3 °C per decade · r² = 0.48 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
38.6 °C
29 July 2010
Coldest day
-36.2 °C
18 February 1952
Wettest day
104 mm
10 August 1946
Windiest day
49.8 km/h
28 April 1983
Strongest gust
90.0 km/h
28 April 1983
Hottest feels-like
40.2 °C
30 July 2010
Coldest feels-like
-41.8 °C
18 February 1952
Snowiest day
17.3 cm
6 April 1954
Sunniest day
14.8 h
25 June 1951
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | -0.7 °C | +2.7 °C | 3 mm | +0 mm |
| Feb | 0.7 °C | +0.2 °C | 0 mm | -7 mm |
| Mar | 10.0 °C | +2.0 °C | 23 mm | +6 mm |
| Apr | 18.1 °C | +2.1 °C | 20 mm | -11 mm |
| May | 22.4 °C | 0.0 °C | 107 mm | +60 mm |
| Jun | 27.0 °C | +0.5 °C | 54 mm | -13 mm |
| Jul | 28.3 °C | +0.3 °C | 179 mm | +65 mm |
| Aug | 26.7 °C | +0.5 °C | 158 mm | +40 mm |
| Sep | 22.9 °C | +1.4 °C | 43 mm | -26 mm |
| Oct | 13.8 °C | -0.9 °C | 119 mm | +85 mm |
| Nov | 8.2 °C | +2.6 °C | 12 mm | -1 mm |
| Dec | 0.5 °C | +2.5 °C | 7 mm | +3 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Datong?
Datong has a hot-summer humid continental, dry winter climate (Köppen Dwa). Over 1940-2025, the average annual temperature is 7.3 °C and it receives 524 mm of precipitation per year.
What is the hottest day ever recorded in Datong?
The hottest day measured in Datong between 1940 and 2025 was 29 July 2010, reaching 38.6 °C.
What is the coldest day in Datong?
The coldest day measured in Datong between 1940 and 2025 was 18 February 1952, at -36.2 °C.
Does it snow in Datong?
Yes. Datong gets on average 24.2 cm of snow per year and has around 167 frost days.
Has the climate of Datong warmed?
Yes: Datong warmed by +2.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Datong?
The wettest day measured in Datong between 1940 and 2025 was 10 August 1946, with 104 mm of rain in 24 hours.
What was the windiest day in Datong?
The windiest day measured in Datong between 1940 and 2025 was 28 April 1983, with winds reaching 49.8 km/h.
What is the warmest month in Datong?
The warmest month in Datong is July (22.6 °C on average); the coldest is January (-10.3 °C).
How much does it rain in Datong?
Datong receives on average 524 mm of precipitation per year, spread over about 75 rainy days.
Is it sunny in Datong?
Datong gets on average 9.8 hours of sunshine per day, roughly 3,577 hours per year over 1940-2025.
What is the biggest single-day snowfall in Datong?
The heaviest 24-hour snowfall measured in Datong between 1940 and 2025 was 6 April 1954, with 17.3 cm.
Are there tropical nights in Datong?
Yes: Datong has on average 6 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Datong?
In Datong, between 1940 and 2025, the highest apparent temperature reached 40.2 °C on 30 July 2010, and the lowest was -41.8 °C on 18 February 1952.
Compare Datong with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Datong