Tongren climate — normals and trends
Tongren (China) has a dry-winter subarctic climate (Dwc) under the Köppen-Geiger classification. Its mean annual temperature is 0.1 °C and it receives 1,067 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 (11.8 °C on average) and the coldest is January (-11.9 °C). Rainfall peaks in September.
Tongren averages 234 frost days, 0 hot days (≥ 30 °C) and 158 rainy days per year.
Tongren has warmed by +2.1 °C between 1940 and 2025, or +0.25 °C per decade. This trend is statistically significant.
The number of frost days there went from about 242 to 226 per year over the period.
The hottest day of the period reached 26.5 °C (on 17 August 2016) and the coldest -35.4 °C (on 31 January 1971).
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
TongrenQinghai
- coords
- 35.51°, 102.02°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
0.1°C
Average daily high
6.8°C
Average daily low
-6.8°C
Annual rainfall
1,067mm
Sunshine / day
9.9h
Mean relative humidity
63%
Average peak wind
10.3km/h
Seasonal range
23.7°C
Frost days (< 0 °C)
234 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
158 d/yr
Annual snowfall
167.8 cm
Average feels-like high
4.4 °C
Average feels-like low
-10.8 °C
Average peak gust
30.6 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
18.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.1 °C
since 1940
+0.3 °C per decade · r² = 0.38 · 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
26.5 °C
17 August 2016
Coldest day
-35.4 °C
31 January 1971
Wettest day
68 mm
18 July 1946
Windiest day
25.4 km/h
10 March 1969
Strongest gust
85.3 km/h
1 December 1980
Hottest feels-like
27.9 °C
24 July 2000
Coldest feels-like
-41.9 °C
31 January 1971
Snowiest day
15.5 cm
7 September 1978
Sunniest day
14.0 h
12 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 | -1.6 °C | +2.0 °C | 16 mm | +7 mm |
| Feb | -0.1 °C | +1.4 °C | 15 mm | -0 mm |
| Mar | 1.8 °C | -0.7 °C | 51 mm | +14 mm |
| Apr | 9.5 °C | +2.3 °C | 67 mm | -2 mm |
| May | 14.3 °C | +2.8 °C | 80 mm | -48 mm |
| Jun | 14.1 °C | -0.1 °C | 182 mm | +26 mm |
| Jul | 19.4 °C | +2.8 °C | 108 mm | -70 mm |
| Aug | 17.7 °C | +1.3 °C | 257 mm | +89 mm |
| Sep | 16.1 °C | +3.4 °C | 171 mm | -7 mm |
| Oct | 9.1 °C | +2.1 °C | 166 mm | +63 mm |
| Nov | 1.7 °C | +0.8 °C | 37 mm | +18 mm |
| Dec | 2.7 °C | +5.2 °C | 2 mm | -4 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 Tongren?
Tongren has a dry-winter subarctic climate (Köppen Dwc). Over 1940-2025, the average annual temperature is 0.1 °C and it receives 1,067 mm of precipitation per year.
What is the hottest day ever recorded in Tongren?
The hottest day measured in Tongren between 1940 and 2025 was 17 August 2016, reaching 26.5 °C.
What is the coldest day in Tongren?
The coldest day measured in Tongren between 1940 and 2025 was 31 January 1971, at -35.4 °C.
Does it snow in Tongren?
Yes. Tongren gets on average 167.8 cm of snow per year and has around 234 frost days.
Has the climate of Tongren warmed?
Yes: Tongren warmed by +2.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Tongren?
The wettest day measured in Tongren between 1940 and 2025 was 18 July 1946, with 68 mm of rain in 24 hours.
What was the windiest day in Tongren?
The windiest day measured in Tongren between 1940 and 2025 was 10 March 1969, with winds reaching 25.4 km/h.
What is the warmest month in Tongren?
The warmest month in Tongren is July (11.8 °C on average); the coldest is January (-11.9 °C).
How much does it rain in Tongren?
Tongren receives on average 1,067 mm of precipitation per year, spread over about 158 rainy days.
Is it sunny in Tongren?
Tongren gets on average 9.9 hours of sunshine per day, roughly 3,614 hours per year over 1940-2025.
What is the biggest single-day snowfall in Tongren?
The heaviest 24-hour snowfall measured in Tongren between 1940 and 2025 was 7 September 1978, with 15.5 cm.
Are there tropical nights in Tongren?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Tongren.
What was the most extreme apparent temperature in Tongren?
In Tongren, between 1940 and 2025, the highest apparent temperature reached 27.9 °C on 24 July 2000, and the lowest was -41.9 °C on 31 January 1971.
Compare Tongren with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Tongren