Dazhong climate — normals and trends
Dazhong (China) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 14.9 °C and it receives 1,157 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 (27.2 °C on average) and the coldest is January (2.0 °C). Rainfall peaks in July.
Dazhong averages 53 frost days, 45 hot days (≥ 30 °C) and 108 rainy days per year.
Dazhong has warmed by +1.6 °C between 1940 and 2025, or +0.19 °C per decade. This trend is statistically significant.
The number of frost days there went from about 65 to 41 per year over the period.
The hottest day of the period reached 39.9 °C (on 6 August 1946) and the coldest -13.0 °C (on 13 February 1957).
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
DazhongJiangsu
- coords
- 33.20°, 120.46°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
14.9°C
Average daily high
18.8°C
Average daily low
11.5°C
Annual rainfall
1,157mm
Sunshine / day
8.3h
Mean relative humidity
76%
Average peak wind
17.3km/h
Seasonal range
25.2°C
Frost days (< 0 °C)
53 d/yr
Hot days (≥ 30 °C)
45 d/yr
Rainy days (≥ 1 mm)
108 d/yr
Annual snowfall
7.7 cm
Average feels-like high
18.7 °C
Average feels-like low
10.5 °C
Average peak gust
34.2 km/h
Tropical nights (≥ 20 °C)
92 d/yr
Solar radiation
15.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.6 °C
since 1940
+0.2 °C per decade · r² = 0.37 · 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
39.9 °C
6 August 1946
Coldest day
-13.0 °C
13 February 1957
Wettest day
180 mm
16 September 2016
Windiest day
59.0 km/h
1 August 1940
Strongest gust
106.9 km/h
1 August 1940
Hottest feels-like
47.2 °C
2 August 2003
Coldest feels-like
-20.1 °C
24 January 2016
Snowiest day
15.5 cm
4 March 1952
Sunniest day
14.0 h
1 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 | +3.1 °C | 3 mm | -29 mm |
| Feb | 8.6 °C | +1.1 °C | 8 mm | -34 mm |
| Mar | 15.8 °C | +3.7 °C | 37 mm | -25 mm |
| Apr | 23.3 °C | +4.9 °C | 15 mm | -60 mm |
| May | 25.3 °C | +1.8 °C | 99 mm | -4 mm |
| Jun | 28.9 °C | +1.9 °C | 250 mm | +76 mm |
| Jul | 32.8 °C | +2.4 °C | 188 mm | -66 mm |
| Aug | 32.7 °C | +2.4 °C | 347 mm | +193 mm |
| Sep | 28.4 °C | +2.3 °C | 336 mm | +206 mm |
| Oct | 22.8 °C | +1.7 °C | 61 mm | +7 mm |
| Nov | 17.1 °C | +1.9 °C | 12 mm | -37 mm |
| Dec | 11.3 °C | +2.6 °C | 5 mm | -24 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 Dazhong?
Dazhong has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 14.9 °C and it receives 1,157 mm of precipitation per year.
What is the hottest day ever recorded in Dazhong?
The hottest day measured in Dazhong between 1940 and 2025 was 6 August 1946, reaching 39.9 °C.
What is the coldest day in Dazhong?
The coldest day measured in Dazhong between 1940 and 2025 was 13 February 1957, at -13.0 °C.
Does it snow in Dazhong?
Yes. Dazhong gets on average 7.7 cm of snow per year and has around 53 frost days.
Has the climate of Dazhong warmed?
Yes: Dazhong warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Dazhong?
The wettest day measured in Dazhong between 1940 and 2025 was 16 September 2016, with 180 mm of rain in 24 hours.
What was the windiest day in Dazhong?
The windiest day measured in Dazhong between 1940 and 2025 was 1 August 1940, with winds reaching 59.0 km/h.
What is the warmest month in Dazhong?
The warmest month in Dazhong is July (27.2 °C on average); the coldest is January (2.0 °C).
How much does it rain in Dazhong?
Dazhong receives on average 1,157 mm of precipitation per year, spread over about 108 rainy days.
Is it sunny in Dazhong?
Dazhong gets on average 8.3 hours of sunshine per day, roughly 3,030 hours per year over 1940-2025.
What is the biggest single-day snowfall in Dazhong?
The heaviest 24-hour snowfall measured in Dazhong between 1940 and 2025 was 4 March 1952, with 15.5 cm.
Are there tropical nights in Dazhong?
Yes: Dazhong has on average 92 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Dazhong?
In Dazhong, between 1940 and 2025, the highest apparent temperature reached 47.2 °C on 2 August 2003, and the lowest was -20.1 °C on 24 January 2016.
Compare Dazhong with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Dazhong