Bei’an climate — normals and trends
Bei’an (China) has a warm-summer humid continental, dry winter climate (Dwb) under the Köppen-Geiger classification. Its mean annual temperature is 1.3 °C and it receives 660 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 (21.5 °C on average) and the coldest is January (-22.8 °C). Rainfall peaks in July.
Bei’an averages 192 frost days, 6 hot days (≥ 30 °C) and 88 rainy days per year.
Bei’an 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 197 to 187 per year over the period.
The hottest day of the period reached 37.2 °C (on 24 June 2010) and the coldest -42.4 °C (on 1 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
Bei’anHeilongjiang
- coords
- 48.27°, 126.60°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
1.3°C
Average daily high
6.8°C
Average daily low
-4.0°C
Annual rainfall
660mm
Sunshine / day
9.2h
Mean relative humidity
67%
Average peak wind
15.6km/h
Seasonal range
44.3°C
Frost days (< 0 °C)
192 d/yr
Hot days (≥ 30 °C)
6 d/yr
Rainy days (≥ 1 mm)
88 d/yr
Annual snowfall
45.5 cm
Average feels-like high
3.7 °C
Average feels-like low
-7.5 °C
Average peak gust
32.8 km/h
Tropical nights (≥ 20 °C)
6 d/yr
Solar radiation
13.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.1 °C
since 1940
+0.3 °C per decade · r² = 0.37 · 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
37.2 °C
24 June 2010
Coldest day
-42.4 °C
1 February 1952
Wettest day
88 mm
7 August 1951
Windiest day
45.5 km/h
20 April 1984
Strongest gust
96.8 km/h
3 September 2020
Hottest feels-like
39.3 °C
27 June 2010
Coldest feels-like
-48.1 °C
9 January 1980
Snowiest day
15.3 cm
3 October 1955
Sunniest day
15.0 h
22 May 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 | -15.4 °C | +1.2 °C | 3 mm | -1 mm |
| Feb | -10.4 °C | +0.5 °C | 6 mm | +1 mm |
| Mar | -1.1 °C | 0.0 °C | 15 mm | +1 mm |
| Apr | 11.7 °C | +1.6 °C | 73 mm | +35 mm |
| May | 19.5 °C | +1.3 °C | 34 mm | -25 mm |
| Jun | 24.7 °C | +0.8 °C | 149 mm | +47 mm |
| Jul | 28.0 °C | +2.1 °C | 155 mm | +3 mm |
| Aug | 23.9 °C | -0.1 °C | 192 mm | +56 mm |
| Sep | 21.1 °C | +3.0 °C | 108 mm | +21 mm |
| Oct | 7.6 °C | -1.1 °C | 10 mm | -29 mm |
| Nov | -1.5 °C | +2.9 °C | 26 mm | +11 mm |
| Dec | -15.5 °C | -0.8 °C | 13 mm | +5 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 Bei’an?
Bei’an has a warm-summer humid continental, dry winter climate (Köppen Dwb). Over 1940-2025, the average annual temperature is 1.3 °C and it receives 660 mm of precipitation per year.
What is the hottest day ever recorded in Bei’an?
The hottest day measured in Bei’an between 1940 and 2025 was 24 June 2010, reaching 37.2 °C.
What is the coldest day in Bei’an?
The coldest day measured in Bei’an between 1940 and 2025 was 1 February 1952, at -42.4 °C.
Does it snow in Bei’an?
Yes. Bei’an gets on average 45.5 cm of snow per year and has around 192 frost days.
Has the climate of Bei’an warmed?
Yes: Bei’an warmed by +2.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Bei’an?
The wettest day measured in Bei’an between 1940 and 2025 was 7 August 1951, with 88 mm of rain in 24 hours.
What was the windiest day in Bei’an?
The windiest day measured in Bei’an between 1940 and 2025 was 20 April 1984, with winds reaching 45.5 km/h.
What is the warmest month in Bei’an?
The warmest month in Bei’an is July (21.5 °C on average); the coldest is January (-22.8 °C).
How much does it rain in Bei’an?
Bei’an receives on average 660 mm of precipitation per year, spread over about 88 rainy days.
Is it sunny in Bei’an?
Bei’an gets on average 9.2 hours of sunshine per day, roughly 3,358 hours per year over 1940-2025.
What is the biggest single-day snowfall in Bei’an?
The heaviest 24-hour snowfall measured in Bei’an between 1940 and 2025 was 3 October 1955, with 15.3 cm.
Are there tropical nights in Bei’an?
Yes: Bei’an has on average 6 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Bei’an?
In Bei’an, between 1940 and 2025, the highest apparent temperature reached 39.3 °C on 27 June 2010, and the lowest was -48.1 °C on 9 January 1980.
Compare Bei’an with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Bei’an