Chapchal climate — normals and trends
Chapchal (China) has a cold semi-arid climate (BSk) under the Köppen-Geiger classification. Its mean annual temperature is 10.4 °C and it receives 341 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 (24.0 °C on average) and the coldest is January (-5.1 °C). Rainfall peaks in May.
Chapchal averages 120 frost days, 43 hot days (≥ 30 °C) and 73 rainy days per year.
No statistically significant temperature trend emerges for Chapchal between 1940 and 2025: over this span, year-to-year swings outweigh the climate signal.
The hottest day of the period reached 41.4 °C (on 9 August 1944) and the coldest -29.2 °C (on 30 November 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
ChapchalXinjiang
- coords
- 43.84°, 81.15°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
10.4°C
Average daily high
16.2°C
Average daily low
5.5°C
Annual rainfall
341mm
Sunshine / day
10.1h
Mean relative humidity
52%
Average peak wind
15.0km/h
Seasonal range
29.1°C
Frost days (< 0 °C)
120 d/yr
Hot days (≥ 30 °C)
43 d/yr
Rainy days (≥ 1 mm)
73 d/yr
Annual snowfall
45.4 cm
Average feels-like high
13.4 °C
Average feels-like low
2.5 °C
Average peak gust
31.4 km/h
Tropical nights (≥ 20 °C)
13 d/yr
Solar radiation
16.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
No clear trend over this period
Over a short window, year-to-year swings outweigh the climate signal. Try 86 years.
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
41.4 °C
9 August 1944
Coldest day
-29.2 °C
30 November 1952
Wettest day
37 mm
29 July 1969
Windiest day
66.8 km/h
7 December 1986
Strongest gust
123.5 km/h
7 December 1986
Hottest feels-like
39.9 °C
9 August 1944
Coldest feels-like
-33.9 °C
30 November 1952
Snowiest day
10.7 cm
19 March 1953
Sunniest day
15.0 h
6 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 | 2.0 °C | +1.7 °C | 13 mm | -2 mm |
| Feb | 6.0 °C | +3.5 °C | 9 mm | -7 mm |
| Mar | 12.0 °C | +1.7 °C | 31 mm | +2 mm |
| Apr | 22.0 °C | +3.4 °C | 17 mm | -23 mm |
| May | 28.4 °C | +4.9 °C | 31 mm | -16 mm |
| Jun | 31.4 °C | +3.9 °C | 28 mm | -9 mm |
| Jul | 33.8 °C | +3.9 °C | 13 mm | -19 mm |
| Aug | 31.1 °C | +2.3 °C | 11 mm | -18 mm |
| Sep | 25.5 °C | +1.4 °C | 35 mm | +6 mm |
| Oct | 18.7 °C | +1.6 °C | 21 mm | -10 mm |
| Nov | 12.3 °C | +3.4 °C | 12 mm | -10 mm |
| Dec | 6.8 °C | +4.0 °C | 13 mm | -4 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 Chapchal?
Chapchal has a cold semi-arid climate (Köppen BSk). Over 1940-2025, the average annual temperature is 10.4 °C and it receives 341 mm of precipitation per year.
What is the hottest day ever recorded in Chapchal?
The hottest day measured in Chapchal between 1940 and 2025 was 9 August 1944, reaching 41.4 °C.
What is the coldest day in Chapchal?
The coldest day measured in Chapchal between 1940 and 2025 was 30 November 1952, at -29.2 °C.
Does it snow in Chapchal?
Yes. Chapchal gets on average 45.4 cm of snow per year and has around 120 frost days.
Has the climate of Chapchal warmed?
Between 1940 and 2025, no statistically significant temperature trend emerges in Chapchal.
What is the wettest day in Chapchal?
The wettest day measured in Chapchal between 1940 and 2025 was 29 July 1969, with 37 mm of rain in 24 hours.
What was the windiest day in Chapchal?
The windiest day measured in Chapchal between 1940 and 2025 was 7 December 1986, with winds reaching 66.8 km/h.
What is the warmest month in Chapchal?
The warmest month in Chapchal is July (24.0 °C on average); the coldest is January (-5.1 °C).
How much does it rain in Chapchal?
Chapchal receives on average 341 mm of precipitation per year, spread over about 73 rainy days.
Is it sunny in Chapchal?
Chapchal gets on average 10.1 hours of sunshine per day, roughly 3,687 hours per year over 1940-2025.
What is the biggest single-day snowfall in Chapchal?
The heaviest 24-hour snowfall measured in Chapchal between 1940 and 2025 was 19 March 1953, with 10.7 cm.
Are there tropical nights in Chapchal?
Yes: Chapchal has on average 13 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Chapchal?
In Chapchal, between 1940 and 2025, the highest apparent temperature reached 39.9 °C on 9 August 1944, and the lowest was -33.9 °C on 30 November 1952.
Compare Chapchal with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Chapchal