Pu’an climate — normals and trends
Pu’an (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 1,362 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 (25.2 °C on average) and the coldest is January (4.7 °C). Rainfall peaks in July.
Pu’an averages 22 frost days, 37 hot days (≥ 30 °C) and 141 rainy days per year.
Pu’an has warmed by +1.5 °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 31 to 13 per year over the period.
The hottest day of the period reached 41.4 °C (on 21 August 2022) and the coldest -11.6 °C (on 10 January 1968).
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
Pu’anSichuan
- coords
- 32.04°, 105.47°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
15.6°C
Average daily high
19.5°C
Average daily low
12.1°C
Annual rainfall
1,362mm
Sunshine / day
6.6h
Mean relative humidity
75%
Average peak wind
12.2km/h
Seasonal range
20.5°C
Frost days (< 0 °C)
22 d/yr
Hot days (≥ 30 °C)
37 d/yr
Rainy days (≥ 1 mm)
141 d/yr
Annual snowfall
6.2 cm
Average feels-like high
19.5 °C
Average feels-like low
11.6 °C
Average peak gust
29.3 km/h
Tropical nights (≥ 20 °C)
74 d/yr
Solar radiation
12.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.5 °C
since 1940
+0.2 °C per decade · r² = 0.48 · 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
41.4 °C
21 August 2022
Coldest day
-11.6 °C
10 January 1968
Wettest day
220 mm
3 August 1954
Windiest day
57.6 km/h
23 May 1946
Strongest gust
114.8 km/h
12 April 1979
Hottest feels-like
43.7 °C
15 July 2006
Coldest feels-like
-15.9 °C
5 January 1955
Snowiest day
10.4 cm
8 January 1968
Sunniest day
14.0 h
19 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 | 10.2 °C | +1.7 °C | 29 mm | +10 mm |
| Feb | 10.3 °C | -0.4 °C | 34 mm | +10 mm |
| Mar | 15.7 °C | +0.1 °C | 25 mm | -17 mm |
| Apr | 25.8 °C | +5.0 °C | 15 mm | -52 mm |
| May | 29.6 °C | +4.8 °C | 74 mm | -31 mm |
| Jun | 31.2 °C | +3.6 °C | 101 mm | -59 mm |
| Jul | 32.7 °C | +3.6 °C | 192 mm | -124 mm |
| Aug | 32.4 °C | +3.5 °C | 177 mm | -79 mm |
| Sep | 25.5 °C | +1.4 °C | 384 mm | +165 mm |
| Oct | 19.6 °C | +0.3 °C | 250 mm | +161 mm |
| Nov | 15.0 °C | +0.5 °C | 21 mm | -24 mm |
| Dec | 11.5 °C | +1.9 °C | 16 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 Pu’an?
Pu’an has a humid subtropical, dry winter climate (Köppen Cwa). Over 1940-2025, the average annual temperature is 15.6 °C and it receives 1,362 mm of precipitation per year.
What is the hottest day ever recorded in Pu’an?
The hottest day measured in Pu’an between 1940 and 2025 was 21 August 2022, reaching 41.4 °C.
What is the coldest day in Pu’an?
The coldest day measured in Pu’an between 1940 and 2025 was 10 January 1968, at -11.6 °C.
Does it snow in Pu’an?
Yes. Pu’an gets on average 6.2 cm of snow per year and has around 22 frost days.
Has the climate of Pu’an warmed?
Yes: Pu’an warmed by +1.5 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Pu’an?
The wettest day measured in Pu’an between 1940 and 2025 was 3 August 1954, with 220 mm of rain in 24 hours.
What was the windiest day in Pu’an?
The windiest day measured in Pu’an between 1940 and 2025 was 23 May 1946, with winds reaching 57.6 km/h.
What is the warmest month in Pu’an?
The warmest month in Pu’an is July (25.2 °C on average); the coldest is January (4.7 °C).
How much does it rain in Pu’an?
Pu’an receives on average 1,362 mm of precipitation per year, spread over about 141 rainy days.
Is it sunny in Pu’an?
Pu’an 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 Pu’an?
The heaviest 24-hour snowfall measured in Pu’an between 1940 and 2025 was 8 January 1968, with 10.4 cm.
Are there tropical nights in Pu’an?
Yes: Pu’an has on average 74 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Pu’an?
In Pu’an, between 1940 and 2025, the highest apparent temperature reached 43.7 °C on 15 July 2006, and the lowest was -15.9 °C on 5 January 1955.
Compare Pu’an with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Pu’an