Xiasi climate — normals and trends
Xiasi (China) has a humid subtropical, dry winter climate (Cwa) under the Köppen-Geiger classification. Its mean annual temperature is 14.4 °C and it receives 1,529 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 (24.1 °C on average) and the coldest is January (3.5 °C). Rainfall peaks in July.
Xiasi averages 35 frost days, 22 hot days (≥ 30 °C) and 155 rainy days per year.
Xiasi has warmed by +1.5 °C between 1940 and 2025, or +0.17 °C per decade. This trend is statistically significant.
The number of frost days there went from about 46 to 24 per year over the period.
The hottest day of the period reached 39.4 °C (on 21 August 2022) and the coldest -12.9 °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
XiasiSichuan
- coords
- 32.29°, 105.51°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
14.4°C
Average daily high
18.3°C
Average daily low
10.9°C
Annual rainfall
1,529mm
Sunshine / day
6.7h
Mean relative humidity
78%
Average peak wind
11.0km/h
Seasonal range
20.6°C
Frost days (< 0 °C)
35 d/yr
Hot days (≥ 30 °C)
22 d/yr
Rainy days (≥ 1 mm)
155 d/yr
Annual snowfall
11.7 cm
Average feels-like high
18.2 °C
Average feels-like low
10.3 °C
Average peak gust
29.7 km/h
Tropical nights (≥ 20 °C)
51 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 = 0.50 · 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
39.4 °C
21 August 2022
Coldest day
-12.9 °C
10 January 1968
Wettest day
202 mm
3 August 1954
Windiest day
41.9 km/h
23 May 1946
Strongest gust
117.0 km/h
12 April 1979
Hottest feels-like
41.9 °C
16 July 2025
Coldest feels-like
-17.5 °C
5 January 1955
Snowiest day
10.2 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 | 9.0 °C | +1.7 °C | 32 mm | +8 mm |
| Feb | 9.2 °C | -0.3 °C | 41 mm | +11 mm |
| Mar | 14.6 °C | +0.1 °C | 27 mm | -24 mm |
| Apr | 24.4 °C | +4.8 °C | 20 mm | -59 mm |
| May | 28.1 °C | +4.6 °C | 82 mm | -34 mm |
| Jun | 29.7 °C | +3.4 °C | 123 mm | -51 mm |
| Jul | 31.1 °C | +3.1 °C | 242 mm | -107 mm |
| Aug | 30.7 °C | +3.0 °C | 179 mm | -116 mm |
| Sep | 24.3 °C | +1.4 °C | 372 mm | +131 mm |
| Oct | 18.3 °C | +0.1 °C | 280 mm | +179 mm |
| Nov | 13.9 °C | +0.6 °C | 24 mm | -26 mm |
| Dec | 10.4 °C | +1.9 °C | 19 mm | -4 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 Xiasi?
Xiasi has a humid subtropical, dry winter climate (Köppen Cwa). Over 1940-2025, the average annual temperature is 14.4 °C and it receives 1,529 mm of precipitation per year.
What is the hottest day ever recorded in Xiasi?
The hottest day measured in Xiasi between 1940 and 2025 was 21 August 2022, reaching 39.4 °C.
What is the coldest day in Xiasi?
The coldest day measured in Xiasi between 1940 and 2025 was 10 January 1968, at -12.9 °C.
Does it snow in Xiasi?
Yes. Xiasi gets on average 11.7 cm of snow per year and has around 35 frost days.
Has the climate of Xiasi warmed?
Yes: Xiasi warmed by +1.5 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Xiasi?
The wettest day measured in Xiasi between 1940 and 2025 was 3 August 1954, with 202 mm of rain in 24 hours.
What was the windiest day in Xiasi?
The windiest day measured in Xiasi between 1940 and 2025 was 23 May 1946, with winds reaching 41.9 km/h.
What is the warmest month in Xiasi?
The warmest month in Xiasi is July (24.1 °C on average); the coldest is January (3.5 °C).
How much does it rain in Xiasi?
Xiasi receives on average 1,529 mm of precipitation per year, spread over about 155 rainy days.
Is it sunny in Xiasi?
Xiasi gets on average 6.7 hours of sunshine per day, roughly 2,446 hours per year over 1940-2025.
What is the biggest single-day snowfall in Xiasi?
The heaviest 24-hour snowfall measured in Xiasi between 1940 and 2025 was 8 January 1968, with 10.2 cm.
Are there tropical nights in Xiasi?
Yes: Xiasi has on average 51 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Xiasi?
In Xiasi, between 1940 and 2025, the highest apparent temperature reached 41.9 °C on 16 July 2025, and the lowest was -17.5 °C on 5 January 1955.
Compare Xiasi with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Xiasi