Nantuo climate — normals and trends
Nantuo (China) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 17.2 °C and it receives 1,415 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 (27.2 °C on average) and the coldest is January (6.7 °C). Rainfall peaks in June.
Nantuo averages 4 frost days, 63 hot days (≥ 30 °C) and 170 rainy days per year.
Nantuo 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 8 to 0 per year over the period.
The hottest day of the period reached 41.0 °C (on 15 August 2006) and the coldest -9.2 °C (on 11 February 1945).
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
NantuoChongqing Municipality
- coords
- 29.86°, 107.53°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
17.2°C
Average daily high
20.7°C
Average daily low
14.1°C
Annual rainfall
1,415mm
Sunshine / day
6.2h
Mean relative humidity
78%
Average peak wind
7.6km/h
Seasonal range
20.5°C
Frost days (< 0 °C)
4 d/yr
Hot days (≥ 30 °C)
63 d/yr
Rainy days (≥ 1 mm)
170 d/yr
Annual snowfall
3.9 cm
Average feels-like high
22.0 °C
Average feels-like low
14.6 °C
Average peak gust
22.5 km/h
Tropical nights (≥ 20 °C)
102 d/yr
Solar radiation
11.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.0 °C
since 1940
+0.1 °C per decade · r² = 0.31 · 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
41.0 °C
15 August 2006
Coldest day
-9.2 °C
11 February 1945
Wettest day
136 mm
13 August 2021
Windiest day
41.6 km/h
23 May 1946
Strongest gust
90.7 km/h
28 May 1946
Hottest feels-like
46.1 °C
7 August 2001
Coldest feels-like
-13.3 °C
11 February 1945
Snowiest day
8.7 cm
22 February 1989
Sunniest day
13.8 h
7 July 2008
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 | 11.4 °C | +2.0 °C | 60 mm | +20 mm |
| Feb | 11.3 °C | -0.2 °C | 29 mm | -15 mm |
| Mar | 16.6 °C | +0.2 °C | 90 mm | -4 mm |
| Apr | 24.3 °C | +2.8 °C | 119 mm | -21 mm |
| May | 27.0 °C | +2.1 °C | 152 mm | -29 mm |
| Jun | 28.5 °C | +0.9 °C | 222 mm | +37 mm |
| Jul | 33.8 °C | +2.6 °C | 189 mm | +4 mm |
| Aug | 34.3 °C | +2.8 °C | 94 mm | -55 mm |
| Sep | 29.1 °C | +2.1 °C | 150 mm | +12 mm |
| Oct | 23.5 °C | +2.5 °C | 159 mm | +33 mm |
| Nov | 16.3 °C | +0.3 °C | 86 mm | +0 mm |
| Dec | 13.0 °C | +2.1 °C | 58 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 Nantuo?
Nantuo has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 17.2 °C and it receives 1,415 mm of precipitation per year.
What is the hottest day ever recorded in Nantuo?
The hottest day measured in Nantuo between 1940 and 2025 was 15 August 2006, reaching 41.0 °C.
What is the coldest day in Nantuo?
The coldest day measured in Nantuo between 1940 and 2025 was 11 February 1945, at -9.2 °C.
Does it snow in Nantuo?
Yes. Nantuo gets on average 3.9 cm of snow per year and has around 4 frost days.
Has the climate of Nantuo warmed?
Yes: Nantuo warmed by +1.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Nantuo?
The wettest day measured in Nantuo between 1940 and 2025 was 13 August 2021, with 136 mm of rain in 24 hours.
What was the windiest day in Nantuo?
The windiest day measured in Nantuo between 1940 and 2025 was 23 May 1946, with winds reaching 41.6 km/h.
What is the warmest month in Nantuo?
The warmest month in Nantuo is July (27.2 °C on average); the coldest is January (6.7 °C).
How much does it rain in Nantuo?
Nantuo receives on average 1,415 mm of precipitation per year, spread over about 170 rainy days.
Is it sunny in Nantuo?
Nantuo gets on average 6.2 hours of sunshine per day, roughly 2,263 hours per year over 1940-2025.
What is the biggest single-day snowfall in Nantuo?
The heaviest 24-hour snowfall measured in Nantuo between 1940 and 2025 was 22 February 1989, with 8.7 cm.
Are there tropical nights in Nantuo?
Yes: Nantuo has on average 102 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Nantuo?
In Nantuo, between 1940 and 2025, the highest apparent temperature reached 46.1 °C on 7 August 2001, and the lowest was -13.3 °C on 11 February 1945.
Compare Nantuo with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Nantuo