Tuantian climate — normals and trends
Tuantian (China) has a subtropical highland, dry winter climate (Cwb) under the Köppen-Geiger classification. Its mean annual temperature is 16.2 °C and it receives 2,128 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 (20.2 °C on average) and the coldest is January (9.9 °C). Rainfall peaks in July.
Tuantian averages 1 frost days, 0 hot days (≥ 30 °C) and 200 rainy days per year.
Tuantian has warmed by +2.3 °C between 1940 and 2025, or +0.27 °C per decade. This trend is statistically significant.
The number of frost days there went from about 2 to 0 per year over the period.
The hottest day of the period reached 31.5 °C (on 25 May 2012) and the coldest -4.5 °C (on 9 January 1980).
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
TuantianYunnan
- coords
- 24.71°, 98.65°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
16.2°C
Average daily high
21.5°C
Average daily low
11.9°C
Annual rainfall
2,128mm
Sunshine / day
8.8h
Mean relative humidity
78%
Average peak wind
8.6km/h
Seasonal range
10.3°C
Frost days (< 0 °C)
1 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
200 d/yr
Annual snowfall
0.1 cm
Average feels-like high
22.2 °C
Average feels-like low
12.0 °C
Average peak gust
34.4 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
15.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.3 °C
since 1940
+0.3 °C per decade · r² = 0.80 · 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
31.5 °C
25 May 2012
Coldest day
-4.5 °C
9 January 1980
Wettest day
122 mm
1 August 1991
Windiest day
21.8 km/h
4 March 1946
Strongest gust
79.2 km/h
18 January 1984
Hottest feels-like
36.3 °C
14 July 2022
Coldest feels-like
-8.2 °C
9 January 1980
Snowiest day
2.9 cm
3 March 1986
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 | 18.1 °C | +1.4 °C | 20 mm | -15 mm |
| Feb | 19.9 °C | +1.5 °C | 6 mm | -39 mm |
| Mar | 22.5 °C | +1.2 °C | 51 mm | -13 mm |
| Apr | 24.2 °C | +0.9 °C | 76 mm | -21 mm |
| May | 23.5 °C | -0.5 °C | 305 mm | +122 mm |
| Jun | 25.1 °C | +1.5 °C | 397 mm | +27 mm |
| Jul | 25.6 °C | +2.5 °C | 385 mm | -78 mm |
| Aug | 24.7 °C | +0.6 °C | 278 mm | -94 mm |
| Sep | 25.8 °C | +1.5 °C | 225 mm | -16 mm |
| Oct | 23.9 °C | +1.4 °C | 168 mm | -0 mm |
| Nov | 20.4 °C | +0.7 °C | 93 mm | +32 mm |
| Dec | 18.8 °C | +1.6 °C | 0 mm | -29 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 Tuantian?
Tuantian has a subtropical highland, dry winter climate (Köppen Cwb). Over 1940-2025, the average annual temperature is 16.2 °C and it receives 2,128 mm of precipitation per year.
What is the hottest day ever recorded in Tuantian?
The hottest day measured in Tuantian between 1940 and 2025 was 25 May 2012, reaching 31.5 °C.
What is the coldest day in Tuantian?
The coldest day measured in Tuantian between 1940 and 2025 was 9 January 1980, at -4.5 °C.
Does it snow in Tuantian?
Almost never: Tuantian sees virtually no snow, with about 1 frost days per year.
Has the climate of Tuantian warmed?
Yes: Tuantian warmed by +2.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Tuantian?
The wettest day measured in Tuantian between 1940 and 2025 was 1 August 1991, with 122 mm of rain in 24 hours.
What was the windiest day in Tuantian?
The windiest day measured in Tuantian between 1940 and 2025 was 4 March 1946, with winds reaching 21.8 km/h.
What is the warmest month in Tuantian?
The warmest month in Tuantian is August (20.2 °C on average); the coldest is January (9.9 °C).
How much does it rain in Tuantian?
Tuantian receives on average 2,128 mm of precipitation per year, spread over about 200 rainy days.
Is it sunny in Tuantian?
Tuantian gets on average 8.8 hours of sunshine per day, roughly 3,212 hours per year over 1940-2025.
What is the biggest single-day snowfall in Tuantian?
The heaviest 24-hour snowfall measured in Tuantian between 1940 and 2025 was 3 March 1986, with 2.9 cm.
Are there tropical nights in Tuantian?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Tuantian.
What was the most extreme apparent temperature in Tuantian?
In Tuantian, between 1940 and 2025, the highest apparent temperature reached 36.3 °C on 14 July 2022, and the lowest was -8.2 °C on 9 January 1980.
Compare Tuantian with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Tuantian