Mianzhu, Deyang, Sichuan climate — normals and trends
Mianzhu, Deyang, Sichuan (China) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 16.0 °C and it receives 1,243 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 (25.3 °C on average) and the coldest is January (5.2 °C). Rainfall peaks in July.
Mianzhu, Deyang, Sichuan averages 10 frost days, 27 hot days (≥ 30 °C) and 177 rainy days per year.
Mianzhu, Deyang, Sichuan 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 15 to 5 per year over the period.
The hottest day of the period reached 39.9 °C (on 21 August 2022) and the coldest -8.7 °C (on 2 January 1967).
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
Mianzhu, Deyang, SichuanSichuan
- coords
- 31.34°, 104.22°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
16.0°C
Average daily high
19.1°C
Average daily low
13.2°C
Annual rainfall
1,243mm
Sunshine / day
7.1h
Mean relative humidity
77%
Average peak wind
8.2km/h
Seasonal range
20.1°C
Frost days (< 0 °C)
10 d/yr
Hot days (≥ 30 °C)
27 d/yr
Rainy days (≥ 1 mm)
177 d/yr
Annual snowfall
9.8 cm
Average feels-like high
19.6 °C
Average feels-like low
13.3 °C
Average peak gust
21.8 km/h
Tropical nights (≥ 20 °C)
90 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 = 0.45 · 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
21 August 2022
Coldest day
-8.7 °C
2 January 1967
Wettest day
254 mm
10 August 1952
Windiest day
44.3 km/h
13 May 1946
Strongest gust
70.6 km/h
24 May 1946
Hottest feels-like
42.9 °C
23 August 2022
Coldest feels-like
-13.1 °C
2 January 1967
Snowiest day
5.5 cm
24 February 1964
Sunniest day
14.0 h
10 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 | 9.8 °C | +1.7 °C | 35 mm | +1 mm |
| Feb | 9.2 °C | -0.9 °C | 73 mm | +34 mm |
| Mar | 14.6 °C | -0.6 °C | 55 mm | +9 mm |
| Apr | 23.9 °C | +3.4 °C | 38 mm | -23 mm |
| May | 27.4 °C | +2.8 °C | 84 mm | +2 mm |
| Jun | 29.3 °C | +2.3 °C | 210 mm | +71 mm |
| Jul | 31.0 °C | +2.5 °C | 197 mm | -63 mm |
| Aug | 30.5 °C | +2.2 °C | 177 mm | -71 mm |
| Sep | 25.6 °C | +1.8 °C | 235 mm | +62 mm |
| Oct | 19.8 °C | +0.8 °C | 130 mm | +48 mm |
| Nov | 14.6 °C | +0.3 °C | 35 mm | -15 mm |
| Dec | 11.2 °C | +1.8 °C | 20 mm | -11 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 Mianzhu, Deyang, Sichuan?
Mianzhu, Deyang, Sichuan has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 16.0 °C and it receives 1,243 mm of precipitation per year.
What is the hottest day ever recorded in Mianzhu, Deyang, Sichuan?
The hottest day measured in Mianzhu, Deyang, Sichuan between 1940 and 2025 was 21 August 2022, reaching 39.9 °C.
What is the coldest day in Mianzhu, Deyang, Sichuan?
The coldest day measured in Mianzhu, Deyang, Sichuan between 1940 and 2025 was 2 January 1967, at -8.7 °C.
Does it snow in Mianzhu, Deyang, Sichuan?
Yes. Mianzhu, Deyang, Sichuan gets on average 9.8 cm of snow per year and has around 10 frost days.
Has the climate of Mianzhu, Deyang, Sichuan warmed?
Yes: Mianzhu, Deyang, Sichuan warmed by +1.5 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Mianzhu, Deyang, Sichuan?
The wettest day measured in Mianzhu, Deyang, Sichuan between 1940 and 2025 was 10 August 1952, with 254 mm of rain in 24 hours.
What was the windiest day in Mianzhu, Deyang, Sichuan?
The windiest day measured in Mianzhu, Deyang, Sichuan between 1940 and 2025 was 13 May 1946, with winds reaching 44.3 km/h.
What is the warmest month in Mianzhu, Deyang, Sichuan?
The warmest month in Mianzhu, Deyang, Sichuan is July (25.3 °C on average); the coldest is January (5.2 °C).
How much does it rain in Mianzhu, Deyang, Sichuan?
Mianzhu, Deyang, Sichuan receives on average 1,243 mm of precipitation per year, spread over about 177 rainy days.
Is it sunny in Mianzhu, Deyang, Sichuan?
Mianzhu, Deyang, Sichuan gets on average 7.1 hours of sunshine per day, roughly 2,592 hours per year over 1940-2025.
What is the biggest single-day snowfall in Mianzhu, Deyang, Sichuan?
The heaviest 24-hour snowfall measured in Mianzhu, Deyang, Sichuan between 1940 and 2025 was 24 February 1964, with 5.5 cm.
Are there tropical nights in Mianzhu, Deyang, Sichuan?
Yes: Mianzhu, Deyang, Sichuan has on average 90 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Mianzhu, Deyang, Sichuan?
In Mianzhu, Deyang, Sichuan, between 1940 and 2025, the highest apparent temperature reached 42.9 °C on 23 August 2022, and the lowest was -13.1 °C on 2 January 1967.
Compare Mianzhu, Deyang, Sichuan with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Mianzhu, Deyang, Sichuan