Xunsi climate — normals and trends
Xunsi (China) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 15.0 °C and it receives 1,802 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 (24.2 °C on average) and the coldest is January (4.8 °C). Rainfall peaks in July.
Xunsi averages 10 frost days, 22 hot days (≥ 30 °C) and 261 rainy days per year.
Xunsi has warmed by +1.0 °C between 1940 and 2025, or +0.12 °C per decade. This trend is statistically significant.
The number of frost days there went from about 16 to 4 per year over the period.
The hottest day of the period reached 38.9 °C (on 21 August 2022) and the coldest -14.6 °C (on 16 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
XunsiSichuan
- coords
- 28.10°, 104.56°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
15.0°C
Average daily high
18.2°C
Average daily low
12.2°C
Annual rainfall
1,802mm
Sunshine / day
5.5h
Mean relative humidity
83%
Average peak wind
7.9km/h
Seasonal range
19.4°C
Frost days (< 0 °C)
10 d/yr
Hot days (≥ 30 °C)
22 d/yr
Rainy days (≥ 1 mm)
261 d/yr
Annual snowfall
27.2 cm
Average feels-like high
18.9 °C
Average feels-like low
12.3 °C
Average peak gust
22.6 km/h
Tropical nights (≥ 20 °C)
55 d/yr
Solar radiation
10.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.0 °C
since 1940
+0.1 °C per decade · r² = 0.29 · 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
38.9 °C
21 August 2022
Coldest day
-14.6 °C
16 December 1975
Wettest day
165 mm
28 June 1943
Windiest day
35.5 km/h
24 May 1946
Strongest gust
85.0 km/h
28 June 1946
Hottest feels-like
43.4 °C
12 July 2022
Coldest feels-like
-19.0 °C
16 December 1975
Snowiest day
12.0 cm
11 January 1999
Sunniest day
13.8 h
1 July 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 | 9.5 °C | +2.2 °C | 108 mm | +21 mm |
| Feb | 8.4 °C | -0.9 °C | 120 mm | +31 mm |
| Mar | 13.6 °C | -0.8 °C | 116 mm | +13 mm |
| Apr | 21.6 °C | +2.1 °C | 99 mm | -12 mm |
| May | 24.4 °C | +1.6 °C | 139 mm | -5 mm |
| Jun | 27.2 °C | +2.0 °C | 150 mm | -50 mm |
| Jul | 30.1 °C | +2.0 °C | 345 mm | +45 mm |
| Aug | 29.8 °C | +2.0 °C | 356 mm | +84 mm |
| Sep | 25.5 °C | +2.0 °C | 300 mm | +117 mm |
| Oct | 20.4 °C | +2.4 °C | 169 mm | +45 mm |
| Nov | 14.0 °C | +0.3 °C | 108 mm | +7 mm |
| Dec | 10.7 °C | +2.0 °C | 56 mm | -31 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 Xunsi?
Xunsi has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 15.0 °C and it receives 1,802 mm of precipitation per year.
What is the hottest day ever recorded in Xunsi?
The hottest day measured in Xunsi between 1940 and 2025 was 21 August 2022, reaching 38.9 °C.
What is the coldest day in Xunsi?
The coldest day measured in Xunsi between 1940 and 2025 was 16 December 1975, at -14.6 °C.
Does it snow in Xunsi?
Yes. Xunsi gets on average 27.2 cm of snow per year and has around 10 frost days.
Has the climate of Xunsi warmed?
Yes: Xunsi warmed by +1.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Xunsi?
The wettest day measured in Xunsi between 1940 and 2025 was 28 June 1943, with 165 mm of rain in 24 hours.
What was the windiest day in Xunsi?
The windiest day measured in Xunsi between 1940 and 2025 was 24 May 1946, with winds reaching 35.5 km/h.
What is the warmest month in Xunsi?
The warmest month in Xunsi is July (24.2 °C on average); the coldest is January (4.8 °C).
How much does it rain in Xunsi?
Xunsi receives on average 1,802 mm of precipitation per year, spread over about 261 rainy days.
Is it sunny in Xunsi?
Xunsi gets on average 5.5 hours of sunshine per day, roughly 2,008 hours per year over 1940-2025.
What is the biggest single-day snowfall in Xunsi?
The heaviest 24-hour snowfall measured in Xunsi between 1940 and 2025 was 11 January 1999, with 12.0 cm.
Are there tropical nights in Xunsi?
Yes: Xunsi has on average 55 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Xunsi?
In Xunsi, between 1940 and 2025, the highest apparent temperature reached 43.4 °C on 12 July 2022, and the lowest was -19.0 °C on 16 December 1975.
Compare Xunsi with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Xunsi