Botou climate — normals and trends
Botou (China) has a hot-summer humid continental, dry winter climate (Dwa) under the Köppen-Geiger classification. Its mean annual temperature is 13.6 °C and it receives 681 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 (27.3 °C on average) and the coldest is January (-2.5 °C). Rainfall peaks in July.
Botou averages 103 frost days, 71 hot days (≥ 30 °C) and 70 rainy days per year.
Botou 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 114 to 92 per year over the period.
The hottest day of the period reached 42.5 °C (on 5 July 1942) and the coldest -23.5 °C (on 6 January 1955).
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
BotouHebei
- coords
- 38.07°, 116.57°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
13.6°C
Average daily high
18.8°C
Average daily low
8.9°C
Annual rainfall
681mm
Sunshine / day
9.3h
Mean relative humidity
60%
Average peak wind
15.6km/h
Seasonal range
29.8°C
Frost days (< 0 °C)
103 d/yr
Hot days (≥ 30 °C)
71 d/yr
Rainy days (≥ 1 mm)
70 d/yr
Annual snowfall
13.4 cm
Average feels-like high
17.5 °C
Average feels-like low
7.1 °C
Average peak gust
32.3 km/h
Tropical nights (≥ 20 °C)
79 d/yr
Solar radiation
15.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.8 °C
since 1940
+0.2 °C per decade · r² = 0.39 · 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
42.5 °C
5 July 1942
Coldest day
-23.5 °C
6 January 1955
Wettest day
156 mm
11 October 2003
Windiest day
44.1 km/h
20 March 2010
Strongest gust
90.7 km/h
20 August 1997
Hottest feels-like
46.3 °C
5 July 1942
Coldest feels-like
-28.7 °C
6 January 1955
Snowiest day
15.4 cm
7 November 2021
Sunniest day
14.1 h
21 June 1941
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 | 5.8 °C | +3.1 °C | 3 mm | -2 mm |
| Feb | 7.3 °C | +1.4 °C | 0 mm | -9 mm |
| Mar | 16.2 °C | +3.1 °C | 7 mm | -6 mm |
| Apr | 24.1 °C | +3.2 °C | 18 mm | -15 mm |
| May | 27.3 °C | +0.5 °C | 32 mm | -21 mm |
| Jun | 33.3 °C | +2.2 °C | 54 mm | -29 mm |
| Jul | 33.7 °C | +2.2 °C | 134 mm | -65 mm |
| Aug | 31.6 °C | +1.6 °C | 246 mm | +79 mm |
| Sep | 27.9 °C | +1.5 °C | 26 mm | -38 mm |
| Oct | 17.2 °C | -3.2 °C | 120 mm | +85 mm |
| Nov | 15.1 °C | +3.2 °C | 6 mm | -10 mm |
| Dec | 6.7 °C | +2.3 °C | 4 mm | -2 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 Botou?
Botou has a hot-summer humid continental, dry winter climate (Köppen Dwa). Over 1940-2025, the average annual temperature is 13.6 °C and it receives 681 mm of precipitation per year.
What is the hottest day ever recorded in Botou?
The hottest day measured in Botou between 1940 and 2025 was 5 July 1942, reaching 42.5 °C.
What is the coldest day in Botou?
The coldest day measured in Botou between 1940 and 2025 was 6 January 1955, at -23.5 °C.
Does it snow in Botou?
Yes. Botou gets on average 13.4 cm of snow per year and has around 103 frost days.
Has the climate of Botou warmed?
Yes: Botou warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Botou?
The wettest day measured in Botou between 1940 and 2025 was 11 October 2003, with 156 mm of rain in 24 hours.
What was the windiest day in Botou?
The windiest day measured in Botou between 1940 and 2025 was 20 March 2010, with winds reaching 44.1 km/h.
What is the warmest month in Botou?
The warmest month in Botou is July (27.3 °C on average); the coldest is January (-2.5 °C).
How much does it rain in Botou?
Botou receives on average 681 mm of precipitation per year, spread over about 70 rainy days.
Is it sunny in Botou?
Botou gets on average 9.3 hours of sunshine per day, roughly 3,395 hours per year over 1940-2025.
What is the biggest single-day snowfall in Botou?
The heaviest 24-hour snowfall measured in Botou between 1940 and 2025 was 7 November 2021, with 15.4 cm.
Are there tropical nights in Botou?
Yes: Botou has on average 79 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Botou?
In Botou, between 1940 and 2025, the highest apparent temperature reached 46.3 °C on 5 July 1942, and the lowest was -28.7 °C on 6 January 1955.
Compare Botou with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Botou