Guang’an climate — normals and trends
Guang’an (China) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 17.9 °C and it receives 1,475 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 August (27.9 °C on average) and the coldest is January (7.3 °C). Rainfall peaks in July.
Guang’an averages 2 frost days, 66 hot days (≥ 30 °C) and 170 rainy days per year.
Guang’an has warmed by +1.0 °C between 1940 and 2025, or +0.11 °C per decade. This trend is statistically significant.
The number of frost days there went from about 4 to 0 per year over the period.
The hottest day of the period reached 42.7 °C (on 16 August 2011) and the coldest -8.1 °C (on 11 February 1945).
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
Guang’anSichuan
- coords
- 30.47°, 106.64°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
17.9°C
Average daily high
21.1°C
Average daily low
15.0°C
Annual rainfall
1,475mm
Sunshine / day
5.9h
Mean relative humidity
79%
Average peak wind
8.8km/h
Seasonal range
20.6°C
Frost days (< 0 °C)
2 d/yr
Hot days (≥ 30 °C)
66 d/yr
Rainy days (≥ 1 mm)
170 d/yr
Annual snowfall
3.9 cm
Average feels-like high
22.5 °C
Average feels-like low
15.7 °C
Average peak gust
21.7 km/h
Tropical nights (≥ 20 °C)
114 d/yr
Solar radiation
11.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.0 °C
since 1940
+0.1 °C per decade · r² = 0.28 · 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
42.7 °C
16 August 2011
Coldest day
-8.1 °C
11 February 1945
Wettest day
203 mm
21 July 1972
Windiest day
50.3 km/h
24 May 1946
Strongest gust
81.7 km/h
22 May 1946
Hottest feels-like
47.1 °C
5 August 1994
Coldest feels-like
-12.0 °C
27 December 1982
Snowiest day
9.0 cm
30 January 1980
Sunniest day
13.9 h
4 July 2025
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 | 11.7 °C | +1.8 °C | 56 mm | +16 mm |
| Feb | 12.0 °C | 0.0 °C | 38 mm | -7 mm |
| Mar | 16.7 °C | -0.2 °C | 92 mm | +5 mm |
| Apr | 25.2 °C | +3.2 °C | 107 mm | -27 mm |
| May | 28.2 °C | +2.7 °C | 69 mm | -101 mm |
| Jun | 29.8 °C | +1.6 °C | 234 mm | +64 mm |
| Jul | 34.6 °C | +3.2 °C | 153 mm | -66 mm |
| Aug | 33.9 °C | +2.0 °C | 357 mm | +171 mm |
| Sep | 28.0 °C | +1.1 °C | 296 mm | +132 mm |
| Oct | 23.3 °C | +2.2 °C | 194 mm | +67 mm |
| Nov | 16.6 °C | +0.4 °C | 55 mm | -30 mm |
| Dec | 13.0 °C | +1.8 °C | 37 mm | -13 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 Guang’an?
Guang’an has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 17.9 °C and it receives 1,475 mm of precipitation per year.
What is the hottest day ever recorded in Guang’an?
The hottest day measured in Guang’an between 1940 and 2025 was 16 August 2011, reaching 42.7 °C.
What is the coldest day in Guang’an?
The coldest day measured in Guang’an between 1940 and 2025 was 11 February 1945, at -8.1 °C.
Does it snow in Guang’an?
Yes. Guang’an gets on average 3.9 cm of snow per year and has around 2 frost days.
Has the climate of Guang’an warmed?
Yes: Guang’an warmed by +1.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Guang’an?
The wettest day measured in Guang’an between 1940 and 2025 was 21 July 1972, with 203 mm of rain in 24 hours.
What was the windiest day in Guang’an?
The windiest day measured in Guang’an between 1940 and 2025 was 24 May 1946, with winds reaching 50.3 km/h.
What is the warmest month in Guang’an?
The warmest month in Guang’an is August (27.9 °C on average); the coldest is January (7.3 °C).
How much does it rain in Guang’an?
Guang’an receives on average 1,475 mm of precipitation per year, spread over about 170 rainy days.
Is it sunny in Guang’an?
Guang’an gets on average 5.9 hours of sunshine per day, roughly 2,154 hours per year over 1940-2025.
What is the biggest single-day snowfall in Guang’an?
The heaviest 24-hour snowfall measured in Guang’an between 1940 and 2025 was 30 January 1980, with 9.0 cm.
Are there tropical nights in Guang’an?
Yes: Guang’an has on average 114 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Guang’an?
In Guang’an, between 1940 and 2025, the highest apparent temperature reached 47.1 °C on 5 August 1994, and the lowest was -12.0 °C on 27 December 1982.
Compare Guang’an with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Guang’an