Caohe climate — normals and trends
Caohe (China) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 17.1 °C and it receives 1,572 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 (28.7 °C on average) and the coldest is January (4.5 °C). Rainfall peaks in June.
Caohe averages 25 frost days, 75 hot days (≥ 30 °C) and 138 rainy days per year.
Caohe has warmed by +1.1 °C between 1940 and 2025, or +0.13 °C per decade. This trend is statistically significant.
The number of frost days there went from about 32 to 18 per year over the period.
The hottest day of the period reached 40.4 °C (on 10 August 1953) and the coldest -14.9 °C (on 6 February 1969).
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
CaoheHubei
- coords
- 30.23°, 115.43°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
17.1°C
Average daily high
21.0°C
Average daily low
13.7°C
Annual rainfall
1,572mm
Sunshine / day
7.6h
Mean relative humidity
77%
Average peak wind
11.3km/h
Seasonal range
24.2°C
Frost days (< 0 °C)
25 d/yr
Hot days (≥ 30 °C)
75 d/yr
Rainy days (≥ 1 mm)
138 d/yr
Annual snowfall
9.7 cm
Average feels-like high
22.0 °C
Average feels-like low
13.9 °C
Average peak gust
27.0 km/h
Tropical nights (≥ 20 °C)
117 d/yr
Solar radiation
13.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.1 °C
since 1940
+0.1 °C per decade · r² = 0.25 · 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
40.4 °C
10 August 1953
Coldest day
-14.9 °C
6 February 1969
Wettest day
180 mm
24 June 1964
Windiest day
32.0 km/h
12 April 2025
Strongest gust
74.2 km/h
20 July 2016
Hottest feels-like
46.5 °C
2 August 2003
Coldest feels-like
-19.5 °C
6 February 1969
Snowiest day
18.4 cm
18 January 1984
Sunniest day
13.6 h
10 June 1942
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 | 12.9 °C | +4.7 °C | 32 mm | -21 mm |
| Feb | 10.9 °C | +0.8 °C | 23 mm | -61 mm |
| Mar | 17.6 °C | +2.7 °C | 95 mm | -45 mm |
| Apr | 25.7 °C | +4.7 °C | 84 mm | -95 mm |
| May | 28.0 °C | +2.4 °C | 187 mm | -28 mm |
| Jun | 28.7 °C | -0.1 °C | 362 mm | +59 mm |
| Jul | 35.0 °C | +2.8 °C | 48 mm | -160 mm |
| Aug | 33.9 °C | +1.8 °C | 97 mm | -36 mm |
| Sep | 29.8 °C | +1.5 °C | 145 mm | +50 mm |
| Oct | 24.3 °C | +1.5 °C | 72 mm | +6 mm |
| Nov | 18.8 °C | +2.0 °C | 35 mm | -22 mm |
| Dec | 14.2 °C | +3.5 °C | 32 mm | -7 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 Caohe?
Caohe has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 17.1 °C and it receives 1,572 mm of precipitation per year.
What is the hottest day ever recorded in Caohe?
The hottest day measured in Caohe between 1940 and 2025 was 10 August 1953, reaching 40.4 °C.
What is the coldest day in Caohe?
The coldest day measured in Caohe between 1940 and 2025 was 6 February 1969, at -14.9 °C.
Does it snow in Caohe?
Yes. Caohe gets on average 9.7 cm of snow per year and has around 25 frost days.
Has the climate of Caohe warmed?
Yes: Caohe warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Caohe?
The wettest day measured in Caohe between 1940 and 2025 was 24 June 1964, with 180 mm of rain in 24 hours.
What was the windiest day in Caohe?
The windiest day measured in Caohe between 1940 and 2025 was 12 April 2025, with winds reaching 32.0 km/h.
What is the warmest month in Caohe?
The warmest month in Caohe is July (28.7 °C on average); the coldest is January (4.5 °C).
How much does it rain in Caohe?
Caohe receives on average 1,572 mm of precipitation per year, spread over about 138 rainy days.
Is it sunny in Caohe?
Caohe gets on average 7.6 hours of sunshine per day, roughly 2,774 hours per year over 1940-2025.
What is the biggest single-day snowfall in Caohe?
The heaviest 24-hour snowfall measured in Caohe between 1940 and 2025 was 18 January 1984, with 18.4 cm.
Are there tropical nights in Caohe?
Yes: Caohe has on average 117 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Caohe?
In Caohe, between 1940 and 2025, the highest apparent temperature reached 46.5 °C on 2 August 2003, and the lowest was -19.5 °C on 6 February 1969.
Compare Caohe with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Caohe