Beidao climate — normals and trends
Beidao (China) has a warm-summer humid continental, dry winter climate (Dwb) under the Köppen-Geiger classification. Its mean annual temperature is 9.5 °C and it receives 841 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 (21.1 °C on average) and the coldest is January (-3.5 °C). Rainfall peaks in July.
Beidao averages 117 frost days, 4 hot days (≥ 30 °C) and 114 rainy days per year.
Beidao has warmed by +1.8 °C between 1940 and 2025, or +0.21 °C per decade. This trend is statistically significant.
The number of frost days there went from about 126 to 108 per year over the period.
The hottest day of the period reached 34.5 °C (on 10 July 2017) and the coldest -26.5 °C (on 16 January 1961).
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
BeidaoGansu
- coords
- 34.57°, 105.89°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
9.5°C
Average daily high
14.3°C
Average daily low
5.3°C
Annual rainfall
841mm
Sunshine / day
7.9h
Mean relative humidity
72%
Average peak wind
12.5km/h
Seasonal range
24.6°C
Frost days (< 0 °C)
117 d/yr
Hot days (≥ 30 °C)
4 d/yr
Rainy days (≥ 1 mm)
114 d/yr
Annual snowfall
49.8 cm
Average feels-like high
12.6 °C
Average feels-like low
3.3 °C
Average peak gust
31.8 km/h
Tropical nights (≥ 20 °C)
5 d/yr
Solar radiation
14.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.8 °C
since 1940
+0.2 °C per decade · r² = 0.53 · 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
34.5 °C
10 July 2017
Coldest day
-26.5 °C
16 January 1961
Wettest day
147 mm
23 August 1946
Windiest day
41.1 km/h
30 May 1946
Strongest gust
85.0 km/h
31 May 1946
Hottest feels-like
36.8 °C
16 July 2025
Coldest feels-like
-31.2 °C
16 January 1961
Snowiest day
13.7 cm
18 November 1961
Sunniest day
14.0 h
28 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 | 3.4 °C | +2.2 °C | 24 mm | +10 mm |
| Feb | 4.0 °C | -0.1 °C | 19 mm | +1 mm |
| Mar | 10.7 °C | +0.5 °C | 17 mm | -16 mm |
| Apr | 19.8 °C | +3.8 °C | 15 mm | -39 mm |
| May | 23.9 °C | +3.7 °C | 36 mm | -44 mm |
| Jun | 25.4 °C | +1.5 °C | 99 mm | +3 mm |
| Jul | 27.2 °C | +1.4 °C | 101 mm | -50 mm |
| Aug | 26.4 °C | +1.6 °C | 114 mm | -31 mm |
| Sep | 20.9 °C | +1.2 °C | 171 mm | +42 mm |
| Oct | 13.7 °C | -0.7 °C | 171 mm | +97 mm |
| Nov | 9.6 °C | +1.2 °C | 16 mm | -17 mm |
| Dec | 5.5 °C | +2.8 °C | 21 mm | +8 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 Beidao?
Beidao has a warm-summer humid continental, dry winter climate (Köppen Dwb). Over 1940-2025, the average annual temperature is 9.5 °C and it receives 841 mm of precipitation per year.
What is the hottest day ever recorded in Beidao?
The hottest day measured in Beidao between 1940 and 2025 was 10 July 2017, reaching 34.5 °C.
What is the coldest day in Beidao?
The coldest day measured in Beidao between 1940 and 2025 was 16 January 1961, at -26.5 °C.
Does it snow in Beidao?
Yes. Beidao gets on average 49.8 cm of snow per year and has around 117 frost days.
Has the climate of Beidao warmed?
Yes: Beidao warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Beidao?
The wettest day measured in Beidao between 1940 and 2025 was 23 August 1946, with 147 mm of rain in 24 hours.
What was the windiest day in Beidao?
The windiest day measured in Beidao between 1940 and 2025 was 30 May 1946, with winds reaching 41.1 km/h.
What is the warmest month in Beidao?
The warmest month in Beidao is July (21.1 °C on average); the coldest is January (-3.5 °C).
How much does it rain in Beidao?
Beidao receives on average 841 mm of precipitation per year, spread over about 114 rainy days.
Is it sunny in Beidao?
Beidao gets on average 7.9 hours of sunshine per day, roughly 2,884 hours per year over 1940-2025.
What is the biggest single-day snowfall in Beidao?
The heaviest 24-hour snowfall measured in Beidao between 1940 and 2025 was 18 November 1961, with 13.7 cm.
Are there tropical nights in Beidao?
Yes: Beidao has on average 5 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Beidao?
In Beidao, between 1940 and 2025, the highest apparent temperature reached 36.8 °C on 16 July 2025, and the lowest was -31.2 °C on 16 January 1961.
Compare Beidao with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Beidao