Tongyangdao climate — normals and trends
Tongyangdao (China) has a cold semi-arid climate (BSk) under the Köppen-Geiger classification. Its mean annual temperature is 4.3 °C and it receives 335 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 (20.6 °C on average) and the coldest is January (-13.5 °C). Rainfall peaks in July.
Tongyangdao averages 185 frost days, 6 hot days (≥ 30 °C) and 55 rainy days per year.
Tongyangdao has warmed by +1.2 °C between 1940 and 2025, or +0.14 °C per decade. This trend is statistically significant.
The number of frost days there went from about 193 to 177 per year over the period.
The hottest day of the period reached 36.9 °C (on 12 July 1942) and the coldest -34.7 °C (on 29 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
TongyangdaoInner Mongolia
- coords
- 41.77°, 109.97°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
4.3°C
Average daily high
9.9°C
Average daily low
-1.0°C
Annual rainfall
335mm
Sunshine / day
10.1h
Mean relative humidity
49%
Average peak wind
24.3km/h
Seasonal range
34.1°C
Frost days (< 0 °C)
185 d/yr
Hot days (≥ 30 °C)
6 d/yr
Rainy days (≥ 1 mm)
55 d/yr
Annual snowfall
23.3 cm
Average feels-like high
5.2 °C
Average feels-like low
-5.7 °C
Average peak gust
43.3 km/h
Tropical nights (≥ 20 °C)
2 d/yr
Solar radiation
16.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.2 °C
since 1940
+0.1 °C per decade · r² = 0.16 · 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
36.9 °C
12 July 1942
Coldest day
-34.7 °C
29 January 1980
Wettest day
105 mm
22 August 1953
Windiest day
61.6 km/h
6 May 2021
Strongest gust
106.6 km/h
6 May 2021
Hottest feels-like
35.8 °C
27 July 1999
Coldest feels-like
-42.3 °C
29 January 1980
Snowiest day
12.9 cm
19 April 2024
Sunniest day
14.3 h
1 July 1990
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 | -5.0 °C | +2.8 °C | 4 mm | +1 mm |
| Feb | -4.6 °C | -0.6 °C | 0 mm | -4 mm |
| Mar | 5.3 °C | +1.7 °C | 7 mm | -3 mm |
| Apr | 13.4 °C | +1.5 °C | 13 mm | -3 mm |
| May | 18.8 °C | -0.1 °C | 73 mm | +46 mm |
| Jun | 24.1 °C | +0.3 °C | 35 mm | -11 mm |
| Jul | 26.5 °C | +0.7 °C | 63 mm | -18 mm |
| Aug | 26.0 °C | +2.4 °C | 69 mm | -11 mm |
| Sep | 20.6 °C | +2.4 °C | 22 mm | -20 mm |
| Oct | 10.7 °C | 0.0 °C | 18 mm | +0 mm |
| Nov | 3.6 °C | +2.7 °C | 5 mm | -1 mm |
| Dec | -3.9 °C | +2.6 °C | 2 mm | -0 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 Tongyangdao?
Tongyangdao has a cold semi-arid climate (Köppen BSk). Over 1940-2025, the average annual temperature is 4.3 °C and it receives 335 mm of precipitation per year.
What is the hottest day ever recorded in Tongyangdao?
The hottest day measured in Tongyangdao between 1940 and 2025 was 12 July 1942, reaching 36.9 °C.
What is the coldest day in Tongyangdao?
The coldest day measured in Tongyangdao between 1940 and 2025 was 29 January 1980, at -34.7 °C.
Does it snow in Tongyangdao?
Yes. Tongyangdao gets on average 23.3 cm of snow per year and has around 185 frost days.
Has the climate of Tongyangdao warmed?
Yes: Tongyangdao warmed by +1.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Tongyangdao?
The wettest day measured in Tongyangdao between 1940 and 2025 was 22 August 1953, with 105 mm of rain in 24 hours.
What was the windiest day in Tongyangdao?
The windiest day measured in Tongyangdao between 1940 and 2025 was 6 May 2021, with winds reaching 61.6 km/h.
What is the warmest month in Tongyangdao?
The warmest month in Tongyangdao is July (20.6 °C on average); the coldest is January (-13.5 °C).
How much does it rain in Tongyangdao?
Tongyangdao receives on average 335 mm of precipitation per year, spread over about 55 rainy days.
Is it sunny in Tongyangdao?
Tongyangdao gets on average 10.1 hours of sunshine per day, roughly 3,687 hours per year over 1940-2025.
What is the biggest single-day snowfall in Tongyangdao?
The heaviest 24-hour snowfall measured in Tongyangdao between 1940 and 2025 was 19 April 2024, with 12.9 cm.
Are there tropical nights in Tongyangdao?
Yes: Tongyangdao has on average 2 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Tongyangdao?
In Tongyangdao, between 1940 and 2025, the highest apparent temperature reached 35.8 °C on 27 July 1999, and the lowest was -42.3 °C on 29 January 1980.
Compare Tongyangdao with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Tongyangdao