Nanlong climate — normals and trends
Nanlong (China) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 17.6 °C and it receives 1,306 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 (27.5 °C on average) and the coldest is January (6.8 °C). Rainfall peaks in July.
Nanlong averages 6 frost days, 66 hot days (≥ 30 °C) and 143 rainy days per year.
Nanlong has warmed by +1.3 °C between 1940 and 2025, or +0.15 °C per decade. This trend is statistically significant.
The number of frost days there went from about 11 to 1 per year over the period.
The hottest day of the period reached 43.4 °C (on 23 August 2022) and the coldest -9.3 °C (on 5 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
NanlongSichuan
- coords
- 31.35°, 106.06°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
17.6°C
Average daily high
21.2°C
Average daily low
14.4°C
Annual rainfall
1,306mm
Sunshine / day
6.6h
Mean relative humidity
76%
Average peak wind
12.1km/h
Seasonal range
20.7°C
Frost days (< 0 °C)
6 d/yr
Hot days (≥ 30 °C)
66 d/yr
Rainy days (≥ 1 mm)
143 d/yr
Annual snowfall
3.7 cm
Average feels-like high
22.0 °C
Average feels-like low
14.4 °C
Average peak gust
24.3 km/h
Tropical nights (≥ 20 °C)
109 d/yr
Solar radiation
11.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.3 °C
since 1940
+0.2 °C per decade · r² = 0.36 · 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
43.4 °C
23 August 2022
Coldest day
-9.3 °C
5 January 1955
Wettest day
241 mm
28 June 1993
Windiest day
78.3 km/h
24 May 1946
Strongest gust
87.5 km/h
12 April 1979
Hottest feels-like
47.7 °C
15 August 2022
Coldest feels-like
-13.7 °C
5 January 1955
Snowiest day
9.2 cm
13 January 1957
Sunniest day
14.0 h
18 June 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 | 11.8 °C | +1.7 °C | 36 mm | +10 mm |
| Feb | 12.1 °C | -0.1 °C | 36 mm | +8 mm |
| Mar | 17.3 °C | +0.1 °C | 37 mm | -14 mm |
| Apr | 27.7 °C | +5.2 °C | 26 mm | -58 mm |
| May | 31.3 °C | +5.1 °C | 67 mm | -54 mm |
| Jun | 33.1 °C | +4.2 °C | 119 mm | -44 mm |
| Jul | 35.7 °C | +4.4 °C | 147 mm | -111 mm |
| Aug | 35.3 °C | +3.8 °C | 198 mm | -10 mm |
| Sep | 27.0 °C | +0.6 °C | 515 mm | +330 mm |
| Oct | 21.9 °C | +0.9 °C | 230 mm | +134 mm |
| Nov | 16.8 °C | +0.6 °C | 24 mm | -33 mm |
| Dec | 13.1 °C | +1.8 °C | 24 mm | -6 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 Nanlong?
Nanlong has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 17.6 °C and it receives 1,306 mm of precipitation per year.
What is the hottest day ever recorded in Nanlong?
The hottest day measured in Nanlong between 1940 and 2025 was 23 August 2022, reaching 43.4 °C.
What is the coldest day in Nanlong?
The coldest day measured in Nanlong between 1940 and 2025 was 5 January 1955, at -9.3 °C.
Does it snow in Nanlong?
Yes. Nanlong gets on average 3.7 cm of snow per year and has around 6 frost days.
Has the climate of Nanlong warmed?
Yes: Nanlong warmed by +1.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Nanlong?
The wettest day measured in Nanlong between 1940 and 2025 was 28 June 1993, with 241 mm of rain in 24 hours.
What was the windiest day in Nanlong?
The windiest day measured in Nanlong between 1940 and 2025 was 24 May 1946, with winds reaching 78.3 km/h.
What is the warmest month in Nanlong?
The warmest month in Nanlong is July (27.5 °C on average); the coldest is January (6.8 °C).
How much does it rain in Nanlong?
Nanlong receives on average 1,306 mm of precipitation per year, spread over about 143 rainy days.
Is it sunny in Nanlong?
Nanlong gets on average 6.6 hours of sunshine per day, roughly 2,409 hours per year over 1940-2025.
What is the biggest single-day snowfall in Nanlong?
The heaviest 24-hour snowfall measured in Nanlong between 1940 and 2025 was 13 January 1957, with 9.2 cm.
Are there tropical nights in Nanlong?
Yes: Nanlong has on average 109 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Nanlong?
In Nanlong, between 1940 and 2025, the highest apparent temperature reached 47.7 °C on 15 August 2022, and the lowest was -13.7 °C on 5 January 1955.
Compare Nanlong with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Nanlong