Mianyang climate — normals and trends
Mianyang (China) has a hot-summer humid continental, dry winter climate (Dwa) under the Köppen-Geiger classification. Its mean annual temperature is 11.7 °C and it receives 1,504 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 (22.4 °C on average) and the coldest is January (-0.1 °C). Rainfall peaks in July.
Mianyang averages 79 frost days, 4 hot days (≥ 30 °C) and 174 rainy days per year.
Mianyang has warmed by +1.7 °C between 1940 and 2025, or +0.20 °C per decade. This trend is statistically significant.
The number of frost days there went from about 93 to 65 per year over the period.
The hottest day of the period reached 33.7 °C (on 16 July 2025) and the coldest -19.5 °C (on 17 December 1944).
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
MianyangShaanxi
- coords
- 33.16°, 106.69°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
11.7°C
Average daily high
15.6°C
Average daily low
8.2°C
Annual rainfall
1,504mm
Sunshine / day
7.7h
Mean relative humidity
80%
Average peak wind
7.1km/h
Seasonal range
22.5°C
Frost days (< 0 °C)
79 d/yr
Hot days (≥ 30 °C)
4 d/yr
Rainy days (≥ 1 mm)
174 d/yr
Annual snowfall
44.7 cm
Average feels-like high
15.5 °C
Average feels-like low
7.3 °C
Average peak gust
26.9 km/h
Tropical nights (≥ 20 °C)
19 d/yr
Solar radiation
13.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.7 °C
since 1940
+0.2 °C per decade · r² = 0.59 · 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
33.7 °C
16 July 2025
Coldest day
-19.5 °C
17 December 1944
Wettest day
174 mm
10 July 1946
Windiest day
25.2 km/h
1 June 1946
Strongest gust
95.8 km/h
12 April 1979
Hottest feels-like
39.7 °C
16 July 2025
Coldest feels-like
-24.2 °C
17 December 1944
Snowiest day
14.4 cm
18 November 1993
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 | 6.4 °C | +2.5 °C | 39 mm | +15 mm |
| Feb | 6.6 °C | +0.5 °C | 22 mm | -9 mm |
| Mar | 12.5 °C | +1.1 °C | 36 mm | -23 mm |
| Apr | 21.7 °C | +4.7 °C | 25 mm | -60 mm |
| May | 24.9 °C | +3.9 °C | 67 mm | -62 mm |
| Jun | 26.1 °C | +1.9 °C | 91 mm | -78 mm |
| Jul | 28.7 °C | +2.6 °C | 143 mm | -148 mm |
| Aug | 27.2 °C | +1.8 °C | 215 mm | -36 mm |
| Sep | 20.9 °C | +0.4 °C | 465 mm | +223 mm |
| Oct | 15.1 °C | -0.6 °C | 393 mm | +258 mm |
| Nov | 11.8 °C | +1.5 °C | 47 mm | -16 mm |
| Dec | 7.9 °C | +2.6 °C | 29 mm | +2 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 Mianyang?
Mianyang has a hot-summer humid continental, dry winter climate (Köppen Dwa). Over 1940-2025, the average annual temperature is 11.7 °C and it receives 1,504 mm of precipitation per year.
What is the hottest day ever recorded in Mianyang?
The hottest day measured in Mianyang between 1940 and 2025 was 16 July 2025, reaching 33.7 °C.
What is the coldest day in Mianyang?
The coldest day measured in Mianyang between 1940 and 2025 was 17 December 1944, at -19.5 °C.
Does it snow in Mianyang?
Yes. Mianyang gets on average 44.7 cm of snow per year and has around 79 frost days.
Has the climate of Mianyang warmed?
Yes: Mianyang warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Mianyang?
The wettest day measured in Mianyang between 1940 and 2025 was 10 July 1946, with 174 mm of rain in 24 hours.
What was the windiest day in Mianyang?
The windiest day measured in Mianyang between 1940 and 2025 was 1 June 1946, with winds reaching 25.2 km/h.
What is the warmest month in Mianyang?
The warmest month in Mianyang is July (22.4 °C on average); the coldest is January (-0.1 °C).
How much does it rain in Mianyang?
Mianyang receives on average 1,504 mm of precipitation per year, spread over about 174 rainy days.
Is it sunny in Mianyang?
Mianyang gets on average 7.7 hours of sunshine per day, roughly 2,811 hours per year over 1940-2025.
What is the biggest single-day snowfall in Mianyang?
The heaviest 24-hour snowfall measured in Mianyang between 1940 and 2025 was 18 November 1993, with 14.4 cm.
Are there tropical nights in Mianyang?
Yes: Mianyang has on average 19 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Mianyang?
In Mianyang, between 1940 and 2025, the highest apparent temperature reached 39.7 °C on 16 July 2025, and the lowest was -24.2 °C on 17 December 1944.
Compare Mianyang with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Mianyang