Jiangyou climate — normals and trends
Jiangyou (China) has a humid subtropical, dry winter climate (Cwa) under the Köppen-Geiger classification. Its mean annual temperature is 15.6 °C and it receives 1,186 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 (25.0 °C on average) and the coldest is January (4.7 °C). Rainfall peaks in July.
Jiangyou averages 19 frost days, 25 hot days (≥ 30 °C) and 136 rainy days per year.
Jiangyou has warmed by +1.5 °C between 1940 and 2025, or +0.17 °C per decade. This trend is statistically significant.
The number of frost days there went from about 29 to 9 per year over the period.
The hottest day of the period reached 39.6 °C (on 21 August 2022) and the coldest -9.1 °C (on 3 January 1984).
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
JiangyouSichuan
- coords
- 31.77°, 104.72°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
15.6°C
Average daily high
19.1°C
Average daily low
12.2°C
Annual rainfall
1,186mm
Sunshine / day
6.6h
Mean relative humidity
75%
Average peak wind
8.1km/h
Seasonal range
20.3°C
Frost days (< 0 °C)
19 d/yr
Hot days (≥ 30 °C)
25 d/yr
Rainy days (≥ 1 mm)
136 d/yr
Annual snowfall
3.5 cm
Average feels-like high
19.3 °C
Average feels-like low
12.0 °C
Average peak gust
24.6 km/h
Tropical nights (≥ 20 °C)
73 d/yr
Solar radiation
11.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.5 °C
since 1940
+0.2 °C per decade · r² = 0.46 · 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
39.6 °C
21 August 2022
Coldest day
-9.1 °C
3 January 1984
Wettest day
338 mm
20 August 1998
Windiest day
43.0 km/h
23 May 1946
Strongest gust
104.0 km/h
12 April 1980
Hottest feels-like
42.8 °C
15 August 2022
Coldest feels-like
-13.1 °C
3 January 1984
Snowiest day
4.8 cm
8 January 1968
Sunniest day
14.0 h
10 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 | 9.8 °C | +1.6 °C | 21 mm | +8 mm |
| Feb | 9.4 °C | -0.9 °C | 37 mm | +20 mm |
| Mar | 14.8 °C | -0.4 °C | 29 mm | -2 mm |
| Apr | 24.3 °C | +3.8 °C | 15 mm | -37 mm |
| May | 27.9 °C | +3.4 °C | 78 mm | -5 mm |
| Jun | 29.3 °C | +2.4 °C | 157 mm | +8 mm |
| Jul | 31.4 °C | +3.0 °C | 193 mm | -93 mm |
| Aug | 30.9 °C | +2.8 °C | 165 mm | -96 mm |
| Sep | 25.6 °C | +1.8 °C | 215 mm | +34 mm |
| Oct | 19.7 °C | +0.7 °C | 148 mm | +80 mm |
| Nov | 14.7 °C | +0.4 °C | 13 mm | -19 mm |
| Dec | 11.1 °C | +1.7 °C | 7 mm | -6 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 Jiangyou?
Jiangyou has a humid subtropical, dry winter climate (Köppen Cwa). Over 1940-2025, the average annual temperature is 15.6 °C and it receives 1,186 mm of precipitation per year.
What is the hottest day ever recorded in Jiangyou?
The hottest day measured in Jiangyou between 1940 and 2025 was 21 August 2022, reaching 39.6 °C.
What is the coldest day in Jiangyou?
The coldest day measured in Jiangyou between 1940 and 2025 was 3 January 1984, at -9.1 °C.
Does it snow in Jiangyou?
Yes. Jiangyou gets on average 3.5 cm of snow per year and has around 19 frost days.
Has the climate of Jiangyou warmed?
Yes: Jiangyou warmed by +1.5 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Jiangyou?
The wettest day measured in Jiangyou between 1940 and 2025 was 20 August 1998, with 338 mm of rain in 24 hours.
What was the windiest day in Jiangyou?
The windiest day measured in Jiangyou between 1940 and 2025 was 23 May 1946, with winds reaching 43.0 km/h.
What is the warmest month in Jiangyou?
The warmest month in Jiangyou is July (25.0 °C on average); the coldest is January (4.7 °C).
How much does it rain in Jiangyou?
Jiangyou receives on average 1,186 mm of precipitation per year, spread over about 136 rainy days.
Is it sunny in Jiangyou?
Jiangyou gets on average 6.6 hours of sunshine per day, roughly 2,409 hours per year over 1940-2025.
What is the biggest single-day snowfall in Jiangyou?
The heaviest 24-hour snowfall measured in Jiangyou between 1940 and 2025 was 8 January 1968, with 4.8 cm.
Are there tropical nights in Jiangyou?
Yes: Jiangyou has on average 73 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Jiangyou?
In Jiangyou, between 1940 and 2025, the highest apparent temperature reached 42.8 °C on 15 August 2022, and the lowest was -13.1 °C on 3 January 1984.
Compare Jiangyou with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Jiangyou