Longquan climate — normals and trends
Longquan (China) has a subtropical highland, dry winter climate (Cwb) under the Köppen-Geiger classification. Its mean annual temperature is 16.4 °C and it receives 1,083 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 June (20.9 °C on average) and the coldest is December (9.7 °C). Rainfall peaks in July.
Longquan averages 1 frost days, 6 hot days (≥ 30 °C) and 149 rainy days per year.
Longquan has warmed by +2.7 °C between 1940 and 2025, or +0.31 °C per decade. This trend is statistically significant.
The hottest day of the period reached 34.5 °C (on 23 May 2021) and the coldest -4.8 °C (on 29 December 1983).
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
LongquanYunnan
- coords
- 24.67°, 102.16°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
16.4°C
Average daily high
21.7°C
Average daily low
12.0°C
Annual rainfall
1,083mm
Sunshine / day
9.1h
Mean relative humidity
70%
Average peak wind
14.5km/h
Seasonal range
11.2°C
Frost days (< 0 °C)
1 d/yr
Hot days (≥ 30 °C)
6 d/yr
Rainy days (≥ 1 mm)
149 d/yr
Annual snowfall
1.8 cm
Average feels-like high
20.8 °C
Average feels-like low
11.3 °C
Average peak gust
38.8 km/h
Tropical nights (≥ 20 °C)
3 d/yr
Solar radiation
16.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.7 °C
since 1940
+0.3 °C per decade · r² = 0.75 · 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
34.5 °C
23 May 2021
Coldest day
-4.8 °C
29 December 1983
Wettest day
85 mm
5 August 2009
Windiest day
33.9 km/h
7 June 1946
Strongest gust
86.8 km/h
17 January 1984
Hottest feels-like
34.1 °C
27 July 2024
Coldest feels-like
-8.1 °C
29 December 1983
Snowiest day
24.8 cm
28 December 1983
Sunniest day
13.4 h
12 June 2013
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 | 15.9 °C | -0.3 °C | 19 mm | +2 mm |
| Feb | 19.6 °C | +0.9 °C | 10 mm | -8 mm |
| Mar | 22.4 °C | +0.1 °C | 6 mm | -16 mm |
| Apr | 26.3 °C | +1.1 °C | 33 mm | -5 mm |
| May | 25.3 °C | -0.5 °C | 179 mm | +84 mm |
| Jun | 25.3 °C | +0.4 °C | 215 mm | +24 mm |
| Jul | 26.1 °C | +1.6 °C | 315 mm | +95 mm |
| Aug | 25.2 °C | +0.7 °C | 250 mm | +34 mm |
| Sep | 24.5 °C | +1.1 °C | 176 mm | +38 mm |
| Oct | 22.3 °C | +1.3 °C | 115 mm | +33 mm |
| Nov | 17.4 °C | -1.0 °C | 136 mm | +104 mm |
| Dec | 16.9 °C | +1.1 °C | 6 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 Longquan?
Longquan has a subtropical highland, dry winter climate (Köppen Cwb). Over 1940-2025, the average annual temperature is 16.4 °C and it receives 1,083 mm of precipitation per year.
What is the hottest day ever recorded in Longquan?
The hottest day measured in Longquan between 1940 and 2025 was 23 May 2021, reaching 34.5 °C.
What is the coldest day in Longquan?
The coldest day measured in Longquan between 1940 and 2025 was 29 December 1983, at -4.8 °C.
Does it snow in Longquan?
Yes. Longquan gets on average 1.8 cm of snow per year and has around 1 frost days.
Has the climate of Longquan warmed?
Yes: Longquan warmed by +2.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Longquan?
The wettest day measured in Longquan between 1940 and 2025 was 5 August 2009, with 85 mm of rain in 24 hours.
What was the windiest day in Longquan?
The windiest day measured in Longquan between 1940 and 2025 was 7 June 1946, with winds reaching 33.9 km/h.
What is the warmest month in Longquan?
The warmest month in Longquan is June (20.9 °C on average); the coldest is December (9.7 °C).
How much does it rain in Longquan?
Longquan receives on average 1,083 mm of precipitation per year, spread over about 149 rainy days.
Is it sunny in Longquan?
Longquan gets on average 9.1 hours of sunshine per day, roughly 3,322 hours per year over 1940-2025.
What is the biggest single-day snowfall in Longquan?
The heaviest 24-hour snowfall measured in Longquan between 1940 and 2025 was 28 December 1983, with 24.8 cm.
Are there tropical nights in Longquan?
Yes: Longquan has on average 3 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Longquan?
In Longquan, between 1940 and 2025, the highest apparent temperature reached 34.1 °C on 27 July 2024, and the lowest was -8.1 °C on 29 December 1983.
Compare Longquan with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Longquan