Jinchang climate — normals and trends
Jinchang (China) has a cold desert climate (BWk) under the Köppen-Geiger classification. Its mean annual temperature is 8.7 °C and it receives 207 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 (23.1 °C on average) and the coldest is January (-7.3 °C). Rainfall peaks in August.
Jinchang averages 153 frost days, 29 hot days (≥ 30 °C) and 42 rainy days per year.
Jinchang has warmed by +0.8 °C between 1940 and 2025, or +0.10 °C per decade. This trend is statistically significant.
The number of frost days there went from about 158 to 148 per year over the period.
The hottest day of the period reached 40.6 °C (on 22 July 1997) and the coldest -24.6 °C (on 9 February 1964).
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
JinchangGansu
- coords
- 38.50°, 102.19°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
8.7°C
Average daily high
14.7°C
Average daily low
2.8°C
Annual rainfall
207mm
Sunshine / day
10.4h
Mean relative humidity
42%
Average peak wind
17.5km/h
Seasonal range
30.4°C
Frost days (< 0 °C)
153 d/yr
Hot days (≥ 30 °C)
29 d/yr
Rainy days (≥ 1 mm)
42 d/yr
Annual snowfall
13.3 cm
Average feels-like high
11.0 °C
Average feels-like low
-1.0 °C
Average peak gust
32.9 km/h
Tropical nights (≥ 20 °C)
8 d/yr
Solar radiation
18.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.8 °C
since 1940
+0.1 °C per decade · r² = 0.09 · p = 0.006
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
40.6 °C
22 July 1997
Coldest day
-24.6 °C
9 February 1964
Wettest day
108 mm
14 August 1966
Windiest day
57.2 km/h
30 May 1946
Strongest gust
94.7 km/h
30 May 1946
Hottest feels-like
38.8 °C
28 July 2010
Coldest feels-like
-30.1 °C
9 February 1964
Snowiest day
10.1 cm
28 March 1967
Sunniest day
14.1 h
6 July 1940
Normals computed over complete calendar years 1940–2025.
A specific year
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Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 1.4 °C | +2.5 °C | 1 mm | -1 mm |
| Feb | 2.7 °C | +0.3 °C | 2 mm | -2 mm |
| Mar | 9.2 °C | -0.5 °C | 4 mm | -3 mm |
| Apr | 19.4 °C | +2.4 °C | 2 mm | -8 mm |
| May | 24.4 °C | +1.7 °C | 12 mm | -3 mm |
| Jun | 27.2 °C | +0.3 °C | 33 mm | +7 mm |
| Jul | 30.0 °C | +1.3 °C | 34 mm | -7 mm |
| Aug | 27.0 °C | +0.2 °C | 57 mm | +7 mm |
| Sep | 23.4 °C | +2.0 °C | 28 mm | -7 mm |
| Oct | 13.4 °C | -1.4 °C | 22 mm | +9 mm |
| Nov | 8.3 °C | +1.6 °C | 2 mm | -2 mm |
| Dec | 3.0 °C | +2.7 °C | 5 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 Jinchang?
Jinchang has a cold desert climate (Köppen BWk). Over 1940-2025, the average annual temperature is 8.7 °C and it receives 207 mm of precipitation per year.
What is the hottest day ever recorded in Jinchang?
The hottest day measured in Jinchang between 1940 and 2025 was 22 July 1997, reaching 40.6 °C.
What is the coldest day in Jinchang?
The coldest day measured in Jinchang between 1940 and 2025 was 9 February 1964, at -24.6 °C.
Does it snow in Jinchang?
Yes. Jinchang gets on average 13.3 cm of snow per year and has around 153 frost days.
Has the climate of Jinchang warmed?
Yes: Jinchang warmed by +0.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Jinchang?
The wettest day measured in Jinchang between 1940 and 2025 was 14 August 1966, with 108 mm of rain in 24 hours.
What was the windiest day in Jinchang?
The windiest day measured in Jinchang between 1940 and 2025 was 30 May 1946, with winds reaching 57.2 km/h.
What is the warmest month in Jinchang?
The warmest month in Jinchang is July (23.1 °C on average); the coldest is January (-7.3 °C).
How much does it rain in Jinchang?
Jinchang receives on average 207 mm of precipitation per year, spread over about 42 rainy days.
Is it sunny in Jinchang?
Jinchang gets on average 10.4 hours of sunshine per day, roughly 3,796 hours per year over 1940-2025.
What is the biggest single-day snowfall in Jinchang?
The heaviest 24-hour snowfall measured in Jinchang between 1940 and 2025 was 28 March 1967, with 10.1 cm.
Are there tropical nights in Jinchang?
Yes: Jinchang has on average 8 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Jinchang?
In Jinchang, between 1940 and 2025, the highest apparent temperature reached 38.8 °C on 28 July 2010, and the lowest was -30.1 °C on 9 February 1964.
Compare Jinchang with another city
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Nearby cities
The climate around Jinchang