Ganzhou climate — normals and trends
Ganzhou (China) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 19.4 °C and it receives 1,473 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 (29.0 °C on average) and the coldest is January (8.3 °C). Rainfall peaks in June.
Ganzhou averages 6 frost days, 107 hot days (≥ 30 °C) and 150 rainy days per year.
Ganzhou has warmed by +1.3 °C between 1940 and 2025, or +0.15 °C per decade. This trend is statistically significant.
The number of frost days there went from about 10 to 2 per year over the period.
The hottest day of the period reached 42.6 °C (on 9 July 1988) and the coldest -8.0 °C (on 15 January 1951).
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
GanzhouJiangxi
- coords
- 25.85°, 114.93°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
19.4°C
Average daily high
23.7°C
Average daily low
16.0°C
Annual rainfall
1,473mm
Sunshine / day
7.7h
Mean relative humidity
77%
Average peak wind
12.6km/h
Seasonal range
20.7°C
Frost days (< 0 °C)
6 d/yr
Hot days (≥ 30 °C)
107 d/yr
Rainy days (≥ 1 mm)
150 d/yr
Annual snowfall
2.0 cm
Average feels-like high
25.2 °C
Average feels-like low
16.7 °C
Average peak gust
33.2 km/h
Tropical nights (≥ 20 °C)
150 d/yr
Solar radiation
14.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.3 °C
since 1940
+0.2 °C per decade · r² = 0.37 · 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
42.6 °C
9 July 1988
Coldest day
-8.0 °C
15 January 1951
Wettest day
182 mm
27 July 2024
Windiest day
37.4 km/h
28 September 2016
Strongest gust
90.4 km/h
24 April 2012
Hottest feels-like
47.3 °C
2 August 2003
Coldest feels-like
-12.3 °C
15 January 1951
Snowiest day
10.4 cm
2 February 1967
Sunniest day
13.1 h
2 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 | 17.3 °C | +4.6 °C | 5 mm | -43 mm |
| Feb | 14.0 °C | -0.2 °C | 25 mm | -50 mm |
| Mar | 21.3 °C | +2.6 °C | 95 mm | -38 mm |
| Apr | 26.4 °C | +2.6 °C | 185 mm | -2 mm |
| May | 28.4 °C | +0.7 °C | 249 mm | +1 mm |
| Jun | 31.9 °C | +1.6 °C | 126 mm | -127 mm |
| Jul | 33.5 °C | -0.1 °C | 257 mm | +139 mm |
| Aug | 33.1 °C | 0.0 °C | 106 mm | -45 mm |
| Sep | 33.9 °C | +3.6 °C | 111 mm | +4 mm |
| Oct | 29.7 °C | +4.0 °C | 23 mm | -36 mm |
| Nov | 20.4 °C | +0.3 °C | 39 mm | -13 mm |
| Dec | 19.4 °C | +4.7 °C | 22 mm | -20 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 Ganzhou?
Ganzhou has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 19.4 °C and it receives 1,473 mm of precipitation per year.
What is the hottest day ever recorded in Ganzhou?
The hottest day measured in Ganzhou between 1940 and 2025 was 9 July 1988, reaching 42.6 °C.
What is the coldest day in Ganzhou?
The coldest day measured in Ganzhou between 1940 and 2025 was 15 January 1951, at -8.0 °C.
Does it snow in Ganzhou?
Yes. Ganzhou gets on average 2.0 cm of snow per year and has around 6 frost days.
Has the climate of Ganzhou warmed?
Yes: Ganzhou warmed by +1.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Ganzhou?
The wettest day measured in Ganzhou between 1940 and 2025 was 27 July 2024, with 182 mm of rain in 24 hours.
What was the windiest day in Ganzhou?
The windiest day measured in Ganzhou between 1940 and 2025 was 28 September 2016, with winds reaching 37.4 km/h.
What is the warmest month in Ganzhou?
The warmest month in Ganzhou is July (29.0 °C on average); the coldest is January (8.3 °C).
How much does it rain in Ganzhou?
Ganzhou receives on average 1,473 mm of precipitation per year, spread over about 150 rainy days.
Is it sunny in Ganzhou?
Ganzhou gets on average 7.7 hours of sunshine per day, roughly 2,811 hours per year over 1940-2025.
What is the biggest single-day snowfall in Ganzhou?
The heaviest 24-hour snowfall measured in Ganzhou between 1940 and 2025 was 2 February 1967, with 10.4 cm.
Are there tropical nights in Ganzhou?
Yes: Ganzhou has on average 150 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Ganzhou?
In Ganzhou, between 1940 and 2025, the highest apparent temperature reached 47.3 °C on 2 August 2003, and the lowest was -12.3 °C on 15 January 1951.
Compare Ganzhou with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Ganzhou