Xianlong climate — normals and trends
Xianlong (China) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 18.3 °C and it receives 1,247 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 (28.0 °C on average) and the coldest is January (8.0 °C). Rainfall peaks in July.
Xianlong averages 1 frost days, 73 hot days (≥ 30 °C) and 176 rainy days per year.
Xianlong 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 2 to 0 per year over the period.
The hottest day of the period reached 43.2 °C (on 17 August 2011) and the coldest -3.2 °C (on 14 December 1975).
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
XianlongChongqing Municipality
- coords
- 29.15°, 105.78°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
18.3°C
Average daily high
21.6°C
Average daily low
15.6°C
Annual rainfall
1,247mm
Sunshine / day
6.2h
Mean relative humidity
78%
Average peak wind
9.9km/h
Seasonal range
20.0°C
Frost days (< 0 °C)
1 d/yr
Hot days (≥ 30 °C)
73 d/yr
Rainy days (≥ 1 mm)
176 d/yr
Annual snowfall
1.5 cm
Average feels-like high
23.0 °C
Average feels-like low
16.3 °C
Average peak gust
21.6 km/h
Tropical nights (≥ 20 °C)
121 d/yr
Solar radiation
11.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.1 °C
since 1940
+0.1 °C per decade · r² = 0.29 · 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
43.2 °C
17 August 2011
Coldest day
-3.2 °C
14 December 1975
Wettest day
105 mm
25 July 1946
Windiest day
58.3 km/h
23 May 1946
Strongest gust
72.0 km/h
28 May 1946
Hottest feels-like
47.7 °C
16 July 2025
Coldest feels-like
-7.4 °C
14 December 1975
Snowiest day
6.4 cm
27 December 1991
Sunniest day
13.9 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 | 12.1 °C | +1.6 °C | 51 mm | +19 mm |
| Feb | 12.1 °C | -0.6 °C | 39 mm | +5 mm |
| Mar | 17.3 °C | -0.5 °C | 53 mm | -6 mm |
| Apr | 25.7 °C | +2.8 °C | 66 mm | -34 mm |
| May | 28.1 °C | +1.9 °C | 119 mm | -23 mm |
| Jun | 31.0 °C | +2.5 °C | 129 mm | -36 mm |
| Jul | 34.7 °C | +2.9 °C | 257 mm | +59 mm |
| Aug | 34.9 °C | +2.9 °C | 154 mm | -26 mm |
| Sep | 29.1 °C | +1.7 °C | 202 mm | +68 mm |
| Oct | 23.8 °C | +2.4 °C | 120 mm | +22 mm |
| Nov | 16.6 °C | -0.1 °C | 55 mm | -10 mm |
| Dec | 13.3 °C | +1.6 °C | 31 mm | -9 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 Xianlong?
Xianlong has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 18.3 °C and it receives 1,247 mm of precipitation per year.
What is the hottest day ever recorded in Xianlong?
The hottest day measured in Xianlong between 1940 and 2025 was 17 August 2011, reaching 43.2 °C.
What is the coldest day in Xianlong?
The coldest day measured in Xianlong between 1940 and 2025 was 14 December 1975, at -3.2 °C.
Does it snow in Xianlong?
Yes. Xianlong gets on average 1.5 cm of snow per year and has around 1 frost days.
Has the climate of Xianlong warmed?
Yes: Xianlong warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Xianlong?
The wettest day measured in Xianlong between 1940 and 2025 was 25 July 1946, with 105 mm of rain in 24 hours.
What was the windiest day in Xianlong?
The windiest day measured in Xianlong between 1940 and 2025 was 23 May 1946, with winds reaching 58.3 km/h.
What is the warmest month in Xianlong?
The warmest month in Xianlong is July (28.0 °C on average); the coldest is January (8.0 °C).
How much does it rain in Xianlong?
Xianlong receives on average 1,247 mm of precipitation per year, spread over about 176 rainy days.
Is it sunny in Xianlong?
Xianlong 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 Xianlong?
The heaviest 24-hour snowfall measured in Xianlong between 1940 and 2025 was 27 December 1991, with 6.4 cm.
Are there tropical nights in Xianlong?
Yes: Xianlong has on average 121 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Xianlong?
In Xianlong, between 1940 and 2025, the highest apparent temperature reached 47.7 °C on 16 July 2025, and the lowest was -7.4 °C on 14 December 1975.
Compare Xianlong with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Xianlong