Jianguang climate — normals and trends
Jianguang (China) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 18.7 °C and it receives 1,924 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 (30.1 °C on average) and the coldest is January (6.3 °C). Rainfall peaks in June.
Jianguang averages 12 frost days, 101 hot days (≥ 30 °C) and 153 rainy days per year.
Jianguang has warmed by +1.2 °C between 1940 and 2025, or +0.14 °C per decade. This trend is statistically significant.
The number of frost days there went from about 18 to 6 per year over the period.
The hottest day of the period reached 42.2 °C (on 10 August 1953) and the coldest -11.2 °C (on 29 December 1991).
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
JianguangJiangxi
- coords
- 28.19°, 115.78°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
18.7°C
Average daily high
22.7°C
Average daily low
15.3°C
Annual rainfall
1,924mm
Sunshine / day
7.5h
Mean relative humidity
77%
Average peak wind
13.4km/h
Seasonal range
23.8°C
Frost days (< 0 °C)
12 d/yr
Hot days (≥ 30 °C)
101 d/yr
Rainy days (≥ 1 mm)
153 d/yr
Annual snowfall
8.0 cm
Average feels-like high
24.0 °C
Average feels-like low
15.8 °C
Average peak gust
29.8 km/h
Tropical nights (≥ 20 °C)
138 d/yr
Solar radiation
13.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.2 °C
since 1940
+0.1 °C per decade · r² = 0.27 · 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
42.2 °C
10 August 1953
Coldest day
-11.2 °C
29 December 1991
Wettest day
169 mm
22 June 1954
Windiest day
39.6 km/h
27 September 1969
Strongest gust
76.0 km/h
27 September 1969
Hottest feels-like
48.7 °C
2 August 2003
Coldest feels-like
-15.4 °C
14 January 1951
Snowiest day
12.9 cm
6 February 1972
Sunniest day
13.4 h
19 June 1944
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 | 14.7 °C | +4.6 °C | 34 mm | -30 mm |
| Feb | 11.1 °C | -0.7 °C | 73 mm | -32 mm |
| Mar | 19.0 °C | +2.3 °C | 93 mm | -106 mm |
| Apr | 26.3 °C | +3.6 °C | 222 mm | -57 mm |
| May | 28.9 °C | +1.8 °C | 359 mm | +31 mm |
| Jun | 31.7 °C | +1.6 °C | 198 mm | -168 mm |
| Jul | 35.4 °C | +1.4 °C | 124 mm | -43 mm |
| Aug | 36.5 °C | +2.9 °C | 48 mm | -86 mm |
| Sep | 34.3 °C | +4.3 °C | 73 mm | -16 mm |
| Oct | 28.5 °C | +3.9 °C | 33 mm | -40 mm |
| Nov | 20.0 °C | +1.3 °C | 65 mm | -7 mm |
| Dec | 16.8 °C | +4.2 °C | 17 mm | -34 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 Jianguang?
Jianguang has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 18.7 °C and it receives 1,924 mm of precipitation per year.
What is the hottest day ever recorded in Jianguang?
The hottest day measured in Jianguang between 1940 and 2025 was 10 August 1953, reaching 42.2 °C.
What is the coldest day in Jianguang?
The coldest day measured in Jianguang between 1940 and 2025 was 29 December 1991, at -11.2 °C.
Does it snow in Jianguang?
Yes. Jianguang gets on average 8.0 cm of snow per year and has around 12 frost days.
Has the climate of Jianguang warmed?
Yes: Jianguang warmed by +1.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Jianguang?
The wettest day measured in Jianguang between 1940 and 2025 was 22 June 1954, with 169 mm of rain in 24 hours.
What was the windiest day in Jianguang?
The windiest day measured in Jianguang between 1940 and 2025 was 27 September 1969, with winds reaching 39.6 km/h.
What is the warmest month in Jianguang?
The warmest month in Jianguang is July (30.1 °C on average); the coldest is January (6.3 °C).
How much does it rain in Jianguang?
Jianguang receives on average 1,924 mm of precipitation per year, spread over about 153 rainy days.
Is it sunny in Jianguang?
Jianguang gets on average 7.5 hours of sunshine per day, roughly 2,738 hours per year over 1940-2025.
What is the biggest single-day snowfall in Jianguang?
The heaviest 24-hour snowfall measured in Jianguang between 1940 and 2025 was 6 February 1972, with 12.9 cm.
Are there tropical nights in Jianguang?
Yes: Jianguang has on average 138 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Jianguang?
In Jianguang, between 1940 and 2025, the highest apparent temperature reached 48.7 °C on 2 August 2003, and the lowest was -15.4 °C on 14 January 1951.
Compare Jianguang with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Jianguang