Santangpu climate — normals and trends
Santangpu (China) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 17.5 °C and it receives 1,688 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 (29.0 °C on average) and the coldest is January (5.4 °C). Rainfall peaks in June.
Santangpu averages 16 frost days, 86 hot days (≥ 30 °C) and 165 rainy days per year.
Santangpu has warmed by +1.0 °C between 1940 and 2025, or +0.12 °C per decade. This trend is statistically significant.
The number of frost days there went from about 22 to 10 per year over the period.
The hottest day of the period reached 41.8 °C (on 5 August 2010) and the coldest -14.2 °C (on 9 January 1949).
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
SantangpuHunan
- coords
- 27.41°, 111.99°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
17.5°C
Average daily high
21.3°C
Average daily low
14.2°C
Annual rainfall
1,688mm
Sunshine / day
6.9h
Mean relative humidity
78%
Average peak wind
12.5km/h
Seasonal range
23.6°C
Frost days (< 0 °C)
16 d/yr
Hot days (≥ 30 °C)
86 d/yr
Rainy days (≥ 1 mm)
165 d/yr
Annual snowfall
13.8 cm
Average feels-like high
22.3 °C
Average feels-like low
14.5 °C
Average peak gust
29.0 km/h
Tropical nights (≥ 20 °C)
120 d/yr
Solar radiation
12.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.0 °C
since 1940
+0.1 °C per decade · r² = 0.21 · 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
41.8 °C
5 August 2010
Coldest day
-14.2 °C
9 January 1949
Wettest day
167 mm
9 July 2020
Windiest day
44.6 km/h
14 June 1946
Strongest gust
85.7 km/h
14 June 1946
Hottest feels-like
46.5 °C
24 July 2024
Coldest feels-like
-18.6 °C
9 January 1949
Snowiest day
15.5 cm
14 January 1970
Sunniest day
13.1 h
6 July 1944
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 | 13.6 °C | +4.9 °C | 33 mm | -26 mm |
| Feb | 9.7 °C | -0.5 °C | 71 mm | -14 mm |
| Mar | 17.5 °C | +2.3 °C | 127 mm | -21 mm |
| Apr | 25.2 °C | +3.8 °C | 180 mm | -46 mm |
| May | 27.5 °C | +1.6 °C | 288 mm | +13 mm |
| Jun | 29.7 °C | +0.4 °C | 274 mm | -29 mm |
| Jul | 34.3 °C | +1.3 °C | 156 mm | +2 mm |
| Aug | 34.8 °C | +2.4 °C | 73 mm | -69 mm |
| Sep | 30.3 °C | +1.8 °C | 108 mm | +19 mm |
| Oct | 25.5 °C | +2.7 °C | 21 mm | -67 mm |
| Nov | 18.6 °C | +1.6 °C | 101 mm | +27 mm |
| Dec | 15.4 °C | +4.2 °C | 30 mm | -16 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 Santangpu?
Santangpu has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 17.5 °C and it receives 1,688 mm of precipitation per year.
What is the hottest day ever recorded in Santangpu?
The hottest day measured in Santangpu between 1940 and 2025 was 5 August 2010, reaching 41.8 °C.
What is the coldest day in Santangpu?
The coldest day measured in Santangpu between 1940 and 2025 was 9 January 1949, at -14.2 °C.
Does it snow in Santangpu?
Yes. Santangpu gets on average 13.8 cm of snow per year and has around 16 frost days.
Has the climate of Santangpu warmed?
Yes: Santangpu warmed by +1.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Santangpu?
The wettest day measured in Santangpu between 1940 and 2025 was 9 July 2020, with 167 mm of rain in 24 hours.
What was the windiest day in Santangpu?
The windiest day measured in Santangpu between 1940 and 2025 was 14 June 1946, with winds reaching 44.6 km/h.
What is the warmest month in Santangpu?
The warmest month in Santangpu is July (29.0 °C on average); the coldest is January (5.4 °C).
How much does it rain in Santangpu?
Santangpu receives on average 1,688 mm of precipitation per year, spread over about 165 rainy days.
Is it sunny in Santangpu?
Santangpu gets on average 6.9 hours of sunshine per day, roughly 2,519 hours per year over 1940-2025.
What is the biggest single-day snowfall in Santangpu?
The heaviest 24-hour snowfall measured in Santangpu between 1940 and 2025 was 14 January 1970, with 15.5 cm.
Are there tropical nights in Santangpu?
Yes: Santangpu has on average 120 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Santangpu?
In Santangpu, between 1940 and 2025, the highest apparent temperature reached 46.5 °C on 24 July 2024, and the lowest was -18.6 °C on 9 January 1949.
Compare Santangpu with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Santangpu