Bayanhot climate — normals and trends
Bayanhot (China) has a cold semi-arid climate (BSk) under the Köppen-Geiger classification. Its mean annual temperature is 7.2 °C and it receives 360 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 (21.7 °C on average) and the coldest is January (-9.3 °C). Rainfall peaks in August.
Bayanhot averages 149 frost days, 7 hot days (≥ 30 °C) and 58 rainy days per year.
Bayanhot has warmed by +0.7 °C between 1940 and 2025, or +0.08 °C per decade. This trend is statistically significant.
The number of frost days there went from about 154 to 144 per year over the period.
The hottest day of the period reached 36.7 °C (on 14 July 1944) and the coldest -27.6 °C (on 18 February 1952).
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
BayanhotInner Mongolia
- coords
- 38.84°, 105.67°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
7.2°C
Average daily high
11.9°C
Average daily low
2.7°C
Annual rainfall
360mm
Sunshine / day
10.2h
Mean relative humidity
46%
Average peak wind
11.8km/h
Seasonal range
31.0°C
Frost days (< 0 °C)
149 d/yr
Hot days (≥ 30 °C)
7 d/yr
Rainy days (≥ 1 mm)
58 d/yr
Annual snowfall
18.4 cm
Average feels-like high
9.0 °C
Average feels-like low
-0.4 °C
Average peak gust
35.3 km/h
Tropical nights (≥ 20 °C)
6 d/yr
Solar radiation
17.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.7 °C
since 1940
+0.1 °C per decade · r² = 0.06 · p = 0.029
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
36.7 °C
14 July 1944
Coldest day
-27.6 °C
18 February 1952
Wettest day
108 mm
6 September 1955
Windiest day
40.0 km/h
28 May 1952
Strongest gust
110.2 km/h
25 April 2010
Hottest feels-like
37.0 °C
30 July 2010
Coldest feels-like
-32.5 °C
18 February 1952
Snowiest day
12.2 cm
20 April 1983
Sunniest day
14.0 h
18 May 1940
Normals computed over complete calendar years 1940–2025.
A specific year
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Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | -2.4 °C | +2.0 °C | 8 mm | +6 mm |
| Feb | -1.5 °C | -0.9 °C | 1 mm | -3 mm |
| Mar | 6.8 °C | +0.1 °C | 7 mm | -4 mm |
| Apr | 16.5 °C | +2.2 °C | 5 mm | -12 mm |
| May | 21.1 °C | +0.9 °C | 19 mm | -9 mm |
| Jun | 25.2 °C | +0.6 °C | 46 mm | -1 mm |
| Jul | 26.8 °C | +0.7 °C | 109 mm | +25 mm |
| Aug | 24.2 °C | +0.2 °C | 103 mm | +15 mm |
| Sep | 20.9 °C | +1.9 °C | 48 mm | -6 mm |
| Oct | 11.8 °C | -0.7 °C | 39 mm | +20 mm |
| Nov | 5.3 °C | +1.4 °C | 16 mm | +10 mm |
| Dec | 0.4 °C | +3.5 °C | 5 mm | +3 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 Bayanhot?
Bayanhot has a cold semi-arid climate (Köppen BSk). Over 1940-2025, the average annual temperature is 7.2 °C and it receives 360 mm of precipitation per year.
What is the hottest day ever recorded in Bayanhot?
The hottest day measured in Bayanhot between 1940 and 2025 was 14 July 1944, reaching 36.7 °C.
What is the coldest day in Bayanhot?
The coldest day measured in Bayanhot between 1940 and 2025 was 18 February 1952, at -27.6 °C.
Does it snow in Bayanhot?
Yes. Bayanhot gets on average 18.4 cm of snow per year and has around 149 frost days.
Has the climate of Bayanhot warmed?
Yes: Bayanhot warmed by +0.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Bayanhot?
The wettest day measured in Bayanhot between 1940 and 2025 was 6 September 1955, with 108 mm of rain in 24 hours.
What was the windiest day in Bayanhot?
The windiest day measured in Bayanhot between 1940 and 2025 was 28 May 1952, with winds reaching 40.0 km/h.
What is the warmest month in Bayanhot?
The warmest month in Bayanhot is July (21.7 °C on average); the coldest is January (-9.3 °C).
How much does it rain in Bayanhot?
Bayanhot receives on average 360 mm of precipitation per year, spread over about 58 rainy days.
Is it sunny in Bayanhot?
Bayanhot gets on average 10.2 hours of sunshine per day, roughly 3,723 hours per year over 1940-2025.
What is the biggest single-day snowfall in Bayanhot?
The heaviest 24-hour snowfall measured in Bayanhot between 1940 and 2025 was 20 April 1983, with 12.2 cm.
Are there tropical nights in Bayanhot?
Yes: Bayanhot has on average 6 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Bayanhot?
In Bayanhot, between 1940 and 2025, the highest apparent temperature reached 37.0 °C on 30 July 2010, and the lowest was -32.5 °C on 18 February 1952.
Compare Bayanhot with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Bayanhot