Ergun climate — normals and trends
Ergun (China) has a warm-summer humid continental, dry winter climate (Dwb) under the Köppen-Geiger classification. Its mean annual temperature is -1.6 °C and it receives 470 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 (19.2 °C on average) and the coldest is January (-26.0 °C). Rainfall peaks in July.
Ergun averages 216 frost days, 4 hot days (≥ 30 °C) and 77 rainy days per year.
Ergun has warmed by +1.4 °C between 1940 and 2025, or +0.16 °C per decade. This trend is statistically significant.
The hottest day of the period reached 37.2 °C (on 26 June 2010) and the coldest -48.1 °C (on 5 January 1951).
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
ErgunInner Mongolia
- coords
- 50.22°, 120.17°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
-1.6°C
Average daily high
4.4°C
Average daily low
-7.5°C
Annual rainfall
470mm
Sunshine / day
9.4h
Mean relative humidity
66%
Average peak wind
14.4km/h
Seasonal range
45.2°C
Frost days (< 0 °C)
216 d/yr
Hot days (≥ 30 °C)
4 d/yr
Rainy days (≥ 1 mm)
77 d/yr
Annual snowfall
51.4 cm
Average feels-like high
0.9 °C
Average feels-like low
-11.3 °C
Average peak gust
32.0 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
13.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.4 °C
since 1940
+0.2 °C per decade · r² = 0.18 · 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
37.2 °C
26 June 2010
Coldest day
-48.1 °C
5 January 1951
Wettest day
65 mm
29 July 2025
Windiest day
44.6 km/h
24 April 1996
Strongest gust
98.3 km/h
23 April 1981
Hottest feels-like
39.4 °C
26 June 2010
Coldest feels-like
-53.7 °C
5 January 1951
Snowiest day
23.5 cm
29 September 2024
Sunniest day
16.0 h
5 June 1940
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 | -16.2 °C | +3.7 °C | 8 mm | +5 mm |
| Feb | -13.3 °C | +0.6 °C | 5 mm | +1 mm |
| Mar | -2.2 °C | +1.5 °C | 21 mm | +10 mm |
| Apr | 9.2 °C | +1.7 °C | 35 mm | +9 mm |
| May | 16.7 °C | +0.4 °C | 29 mm | -14 mm |
| Jun | 23.2 °C | +0.6 °C | 41 mm | -29 mm |
| Jul | 24.8 °C | +0.3 °C | 196 mm | +80 mm |
| Aug | 22.2 °C | -0.1 °C | 99 mm | +1 mm |
| Sep | 18.2 °C | +2.4 °C | 120 mm | +59 mm |
| Oct | 4.2 °C | -1.9 °C | 16 mm | -7 mm |
| Nov | -4.4 °C | +3.1 °C | 15 mm | +6 mm |
| Dec | -17.8 °C | +0.1 °C | 10 mm | +5 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 Ergun?
Ergun has a warm-summer humid continental, dry winter climate (Köppen Dwb). Over 1940-2025, the average annual temperature is -1.6 °C and it receives 470 mm of precipitation per year.
What is the hottest day ever recorded in Ergun?
The hottest day measured in Ergun between 1940 and 2025 was 26 June 2010, reaching 37.2 °C.
What is the coldest day in Ergun?
The coldest day measured in Ergun between 1940 and 2025 was 5 January 1951, at -48.1 °C.
Does it snow in Ergun?
Yes. Ergun gets on average 51.4 cm of snow per year and has around 216 frost days.
Has the climate of Ergun warmed?
Yes: Ergun warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Ergun?
The wettest day measured in Ergun between 1940 and 2025 was 29 July 2025, with 65 mm of rain in 24 hours.
What was the windiest day in Ergun?
The windiest day measured in Ergun between 1940 and 2025 was 24 April 1996, with winds reaching 44.6 km/h.
What is the warmest month in Ergun?
The warmest month in Ergun is July (19.2 °C on average); the coldest is January (-26.0 °C).
How much does it rain in Ergun?
Ergun receives on average 470 mm of precipitation per year, spread over about 77 rainy days.
Is it sunny in Ergun?
Ergun gets on average 9.4 hours of sunshine per day, roughly 3,431 hours per year over 1940-2025.
What is the biggest single-day snowfall in Ergun?
The heaviest 24-hour snowfall measured in Ergun between 1940 and 2025 was 29 September 2024, with 23.5 cm.
Are there tropical nights in Ergun?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Ergun.
What was the most extreme apparent temperature in Ergun?
In Ergun, between 1940 and 2025, the highest apparent temperature reached 39.4 °C on 26 June 2010, and the lowest was -53.7 °C on 5 January 1951.
Compare Ergun with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Ergun