Menghuan climate — normals and trends
Menghuan (China) has a subtropical highland, dry winter climate (Cwb) under the Köppen-Geiger classification. Its mean annual temperature is 17.3 °C and it receives 1,949 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 June (20.9 °C on average) and the coldest is January (11.1 °C). Rainfall peaks in July.
Menghuan averages 0 frost days, 3 hot days (≥ 30 °C) and 191 rainy days per year.
Menghuan has warmed by +2.3 °C between 1940 and 2025, or +0.27 °C per decade. This trend is statistically significant.
The hottest day of the period reached 33.0 °C (on 6 June 1958) and the coldest -1.2 °C (on 30 January 1977).
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
MenghuanYunnan
- coords
- 24.44°, 98.58°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
17.3°C
Average daily high
22.7°C
Average daily low
12.8°C
Annual rainfall
1,949mm
Sunshine / day
8.9h
Mean relative humidity
76%
Average peak wind
8.7km/h
Seasonal range
9.8°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
3 d/yr
Rainy days (≥ 1 mm)
191 d/yr
Annual snowfall
0.0 cm
Average feels-like high
23.6 °C
Average feels-like low
12.9 °C
Average peak gust
33.8 km/h
Tropical nights (≥ 20 °C)
5 d/yr
Solar radiation
15.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.3 °C
since 1940
+0.3 °C per decade · r² = 0.79 · 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
33.0 °C
6 June 1958
Coldest day
-1.2 °C
30 January 1977
Wettest day
136 mm
28 June 1958
Windiest day
20.4 km/h
9 February 1945
Strongest gust
77.4 km/h
31 October 1962
Hottest feels-like
36.7 °C
19 August 1991
Coldest feels-like
-4.6 °C
5 January 1983
Snowiest day
0.4 cm
1 February 2007
Sunniest day
13.0 h
2 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 | 19.8 °C | +1.6 °C | 12 mm | -12 mm |
| Feb | 21.8 °C | +1.8 °C | 3 mm | -25 mm |
| Mar | 25.0 °C | +1.8 °C | 17 mm | -21 mm |
| Apr | 26.1 °C | +1.0 °C | 51 mm | -13 mm |
| May | 24.7 °C | -0.5 °C | 273 mm | +109 mm |
| Jun | 26.0 °C | +1.6 °C | 304 mm | -34 mm |
| Jul | 26.1 °C | +2.3 °C | 434 mm | -14 mm |
| Aug | 25.3 °C | +0.7 °C | 280 mm | -111 mm |
| Sep | 26.8 °C | +1.8 °C | 205 mm | -27 mm |
| Oct | 25.0 °C | +1.5 °C | 148 mm | +1 mm |
| Nov | 21.6 °C | +0.7 °C | 95 mm | +42 mm |
| Dec | 20.1 °C | +1.6 °C | 0 mm | -23 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 Menghuan?
Menghuan has a subtropical highland, dry winter climate (Köppen Cwb). Over 1940-2025, the average annual temperature is 17.3 °C and it receives 1,949 mm of precipitation per year.
What is the hottest day ever recorded in Menghuan?
The hottest day measured in Menghuan between 1940 and 2025 was 6 June 1958, reaching 33.0 °C.
What is the coldest day in Menghuan?
The coldest day measured in Menghuan between 1940 and 2025 was 30 January 1977, at -1.2 °C.
Does it snow in Menghuan?
Almost never: Menghuan sees virtually no snow, with about 0 frost days per year.
Has the climate of Menghuan warmed?
Yes: Menghuan warmed by +2.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Menghuan?
The wettest day measured in Menghuan between 1940 and 2025 was 28 June 1958, with 136 mm of rain in 24 hours.
What was the windiest day in Menghuan?
The windiest day measured in Menghuan between 1940 and 2025 was 9 February 1945, with winds reaching 20.4 km/h.
What is the warmest month in Menghuan?
The warmest month in Menghuan is June (20.9 °C on average); the coldest is January (11.1 °C).
How much does it rain in Menghuan?
Menghuan receives on average 1,949 mm of precipitation per year, spread over about 191 rainy days.
Is it sunny in Menghuan?
Menghuan gets on average 8.9 hours of sunshine per day, roughly 3,249 hours per year over 1940-2025.
What is the biggest single-day snowfall in Menghuan?
The heaviest 24-hour snowfall measured in Menghuan between 1940 and 2025 was 1 February 2007, with 0.4 cm.
Are there tropical nights in Menghuan?
Yes: Menghuan has on average 5 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Menghuan?
In Menghuan, between 1940 and 2025, the highest apparent temperature reached 36.7 °C on 19 August 1991, and the lowest was -4.6 °C on 5 January 1983.
Compare Menghuan with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Menghuan