Jiangxi climate — normals and trends
Jiangxi (China) has a warm-summer humid continental, dry winter climate (Dwb) under the Köppen-Geiger classification. Its mean annual temperature is 8.9 °C and it receives 758 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 (20.3 °C on average) and the coldest is January (-4.3 °C). Rainfall peaks in July.
Jiangxi averages 121 frost days, 2 hot days (≥ 30 °C) and 122 rainy days per year.
Jiangxi has warmed by +1.6 °C between 1940 and 2025, or +0.18 °C per decade. This trend is statistically significant.
The number of frost days there went from about 128 to 114 per year over the period.
The hottest day of the period reached 32.9 °C (on 11 August 2006) and the coldest -27.8 °C (on 14 December 1975).
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
JiangxiGansu
- coords
- 34.00°, 105.20°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
8.9°C
Average daily high
13.7°C
Average daily low
4.6°C
Annual rainfall
758mm
Sunshine / day
8.1h
Mean relative humidity
74%
Average peak wind
12.3km/h
Seasonal range
24.6°C
Frost days (< 0 °C)
121 d/yr
Hot days (≥ 30 °C)
2 d/yr
Rainy days (≥ 1 mm)
122 d/yr
Annual snowfall
47.1 cm
Average feels-like high
11.9 °C
Average feels-like low
2.6 °C
Average peak gust
31.4 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
14.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.6 °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
32.9 °C
11 August 2006
Coldest day
-27.8 °C
14 December 1975
Wettest day
125 mm
15 July 1946
Windiest day
47.9 km/h
31 May 1946
Strongest gust
89.6 km/h
31 May 1946
Hottest feels-like
35.6 °C
13 July 2021
Coldest feels-like
-32.9 °C
14 December 1975
Snowiest day
10.4 cm
18 November 1961
Sunniest day
14.0 h
31 May 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 | 2.5 °C | +1.7 °C | 27 mm | +15 mm |
| Feb | 1.4 °C | -2.0 °C | 29 mm | +13 mm |
| Mar | 9.7 °C | -0.1 °C | 18 mm | -14 mm |
| Apr | 19.0 °C | +3.6 °C | 19 mm | -31 mm |
| May | 22.8 °C | +3.3 °C | 80 mm | +7 mm |
| Jun | 23.8 °C | +1.0 °C | 104 mm | +15 mm |
| Jul | 26.4 °C | +1.5 °C | 112 mm | -29 mm |
| Aug | 25.6 °C | +1.6 °C | 111 mm | -21 mm |
| Sep | 20.7 °C | +1.7 °C | 144 mm | +30 mm |
| Oct | 13.6 °C | -0.3 °C | 121 mm | +56 mm |
| Nov | 9.1 °C | +0.9 °C | 19 mm | -6 mm |
| Dec | 5.3 °C | +2.8 °C | 12 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 Jiangxi?
Jiangxi has a warm-summer humid continental, dry winter climate (Köppen Dwb). Over 1940-2025, the average annual temperature is 8.9 °C and it receives 758 mm of precipitation per year.
What is the hottest day ever recorded in Jiangxi?
The hottest day measured in Jiangxi between 1940 and 2025 was 11 August 2006, reaching 32.9 °C.
What is the coldest day in Jiangxi?
The coldest day measured in Jiangxi between 1940 and 2025 was 14 December 1975, at -27.8 °C.
Does it snow in Jiangxi?
Yes. Jiangxi gets on average 47.1 cm of snow per year and has around 121 frost days.
Has the climate of Jiangxi warmed?
Yes: Jiangxi warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Jiangxi?
The wettest day measured in Jiangxi between 1940 and 2025 was 15 July 1946, with 125 mm of rain in 24 hours.
What was the windiest day in Jiangxi?
The windiest day measured in Jiangxi between 1940 and 2025 was 31 May 1946, with winds reaching 47.9 km/h.
What is the warmest month in Jiangxi?
The warmest month in Jiangxi is July (20.3 °C on average); the coldest is January (-4.3 °C).
How much does it rain in Jiangxi?
Jiangxi receives on average 758 mm of precipitation per year, spread over about 122 rainy days.
Is it sunny in Jiangxi?
Jiangxi gets on average 8.1 hours of sunshine per day, roughly 2,957 hours per year over 1940-2025.
What is the biggest single-day snowfall in Jiangxi?
The heaviest 24-hour snowfall measured in Jiangxi between 1940 and 2025 was 18 November 1961, with 10.4 cm.
Are there tropical nights in Jiangxi?
Yes: Jiangxi has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Jiangxi?
In Jiangxi, between 1940 and 2025, the highest apparent temperature reached 35.6 °C on 13 July 2021, and the lowest was -32.9 °C on 14 December 1975.
Compare Jiangxi with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Jiangxi