Dazhou climate — normals and trends
Dazhou (China) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 17.2 °C and it receives 1,580 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 (27.5 °C on average) and the coldest is January (6.3 °C). Rainfall peaks in July.
Dazhou averages 8 frost days, 63 hot days (≥ 30 °C) and 164 rainy days per year.
Dazhou 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 13 to 3 per year over the period.
The hottest day of the period reached 41.5 °C (on 4 August 2025) and the coldest -11.5 °C (on 11 January 1955).
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
DazhouSichuan
- coords
- 31.21°, 107.46°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
17.2°C
Average daily high
20.8°C
Average daily low
14.0°C
Annual rainfall
1,580mm
Sunshine / day
6.2h
Mean relative humidity
78%
Average peak wind
9.5km/h
Seasonal range
21.2°C
Frost days (< 0 °C)
8 d/yr
Hot days (≥ 30 °C)
63 d/yr
Rainy days (≥ 1 mm)
164 d/yr
Annual snowfall
6.8 cm
Average feels-like high
21.8 °C
Average feels-like low
14.3 °C
Average peak gust
22.8 km/h
Tropical nights (≥ 20 °C)
104 d/yr
Solar radiation
11.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.0 °C
since 1940
+0.1 °C per decade · r² = 0.30 · 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
41.5 °C
4 August 2025
Coldest day
-11.5 °C
11 January 1955
Wettest day
194 mm
22 July 2008
Windiest day
48.2 km/h
22 May 1946
Strongest gust
78.5 km/h
22 May 1946
Hottest feels-like
46.8 °C
5 August 1994
Coldest feels-like
-15.7 °C
11 January 1955
Snowiest day
14.4 cm
13 January 1957
Sunniest day
13.9 h
29 June 2022
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 | 11.2 °C | +1.8 °C | 56 mm | +11 mm |
| Feb | 11.6 °C | +0.1 °C | 33 mm | -17 mm |
| Mar | 16.5 °C | +0.1 °C | 99 mm | +7 mm |
| Apr | 25.1 °C | +3.5 °C | 50 mm | -79 mm |
| May | 28.8 °C | +3.5 °C | 80 mm | -95 mm |
| Jun | 29.9 °C | +1.6 °C | 172 mm | 0 mm |
| Jul | 35.2 °C | +4.1 °C | 83 mm | -157 mm |
| Aug | 35.0 °C | +3.4 °C | 111 mm | -66 mm |
| Sep | 27.8 °C | +1.2 °C | 484 mm | +279 mm |
| Oct | 22.7 °C | +1.8 °C | 273 mm | +127 mm |
| Nov | 16.4 °C | +0.6 °C | 66 mm | -27 mm |
| Dec | 12.8 °C | +2.1 °C | 51 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 Dazhou?
Dazhou has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 17.2 °C and it receives 1,580 mm of precipitation per year.
What is the hottest day ever recorded in Dazhou?
The hottest day measured in Dazhou between 1940 and 2025 was 4 August 2025, reaching 41.5 °C.
What is the coldest day in Dazhou?
The coldest day measured in Dazhou between 1940 and 2025 was 11 January 1955, at -11.5 °C.
Does it snow in Dazhou?
Yes. Dazhou gets on average 6.8 cm of snow per year and has around 8 frost days.
Has the climate of Dazhou warmed?
Yes: Dazhou warmed by +1.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Dazhou?
The wettest day measured in Dazhou between 1940 and 2025 was 22 July 2008, with 194 mm of rain in 24 hours.
What was the windiest day in Dazhou?
The windiest day measured in Dazhou between 1940 and 2025 was 22 May 1946, with winds reaching 48.2 km/h.
What is the warmest month in Dazhou?
The warmest month in Dazhou is August (27.5 °C on average); the coldest is January (6.3 °C).
How much does it rain in Dazhou?
Dazhou receives on average 1,580 mm of precipitation per year, spread over about 164 rainy days.
Is it sunny in Dazhou?
Dazhou gets on average 6.2 hours of sunshine per day, roughly 2,263 hours per year over 1940-2025.
What is the biggest single-day snowfall in Dazhou?
The heaviest 24-hour snowfall measured in Dazhou between 1940 and 2025 was 13 January 1957, with 14.4 cm.
Are there tropical nights in Dazhou?
Yes: Dazhou has on average 104 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Dazhou?
In Dazhou, between 1940 and 2025, the highest apparent temperature reached 46.8 °C on 5 August 1994, and the lowest was -15.7 °C on 11 January 1955.
Compare Dazhou with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Dazhou