Shilongba climate — normals and trends
Shilongba (China) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 17.5 °C and it receives 1,524 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 May (22.2 °C on average) and the coldest is December (10.5 °C). Rainfall peaks in July.
Shilongba averages 1 frost days, 24 hot days (≥ 30 °C) and 151 rainy days per year.
Shilongba has warmed by +2.3 °C between 1940 and 2025, or +0.27 °C per decade. This trend is statistically significant.
The hottest day of the period reached 39.7 °C (on 31 May 2023) and the coldest -7.3 °C (on 1 January 1984).
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
ShilongbaYunnan
- coords
- 26.58°, 101.36°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
17.5°C
Average daily high
23.0°C
Average daily low
12.6°C
Annual rainfall
1,524mm
Sunshine / day
9.3h
Mean relative humidity
63%
Average peak wind
7.2km/h
Seasonal range
11.7°C
Frost days (< 0 °C)
1 d/yr
Hot days (≥ 30 °C)
24 d/yr
Rainy days (≥ 1 mm)
151 d/yr
Annual snowfall
1.9 cm
Average feels-like high
22.9 °C
Average feels-like low
12.1 °C
Average peak gust
29.8 km/h
Tropical nights (≥ 20 °C)
22 d/yr
Solar radiation
16.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.3 °C
since 1940
+0.3 °C per decade · r² = 0.64 · 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
39.7 °C
31 May 2023
Coldest day
-7.3 °C
1 January 1984
Wettest day
121 mm
7 July 2017
Windiest day
22.6 km/h
5 March 1973
Strongest gust
85.3 km/h
20 March 1988
Hottest feels-like
37.8 °C
30 May 2023
Coldest feels-like
-10.8 °C
1 January 1984
Snowiest day
16.9 cm
28 December 1983
Sunniest day
13.3 h
11 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 | 17.5 °C | -0.2 °C | 15 mm | +6 mm |
| Feb | 20.8 °C | +0.5 °C | 2 mm | -6 mm |
| Mar | 22.9 °C | -1.1 °C | 23 mm | +11 mm |
| Apr | 28.3 °C | +1.3 °C | 26 mm | -1 mm |
| May | 26.7 °C | -0.9 °C | 135 mm | +16 mm |
| Jun | 26.8 °C | +0.9 °C | 366 mm | +63 mm |
| Jul | 27.7 °C | +1.9 °C | 226 mm | -107 mm |
| Aug | 26.5 °C | +1.0 °C | 349 mm | +72 mm |
| Sep | 25.5 °C | +1.7 °C | 355 mm | +94 mm |
| Oct | 23.7 °C | +1.9 °C | 155 mm | +24 mm |
| Nov | 18.7 °C | -0.6 °C | 53 mm | +21 mm |
| Dec | 18.4 °C | +1.3 °C | 4 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 Shilongba?
Shilongba has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 17.5 °C and it receives 1,524 mm of precipitation per year.
What is the hottest day ever recorded in Shilongba?
The hottest day measured in Shilongba between 1940 and 2025 was 31 May 2023, reaching 39.7 °C.
What is the coldest day in Shilongba?
The coldest day measured in Shilongba between 1940 and 2025 was 1 January 1984, at -7.3 °C.
Does it snow in Shilongba?
Yes. Shilongba gets on average 1.9 cm of snow per year and has around 1 frost days.
Has the climate of Shilongba warmed?
Yes: Shilongba warmed by +2.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Shilongba?
The wettest day measured in Shilongba between 1940 and 2025 was 7 July 2017, with 121 mm of rain in 24 hours.
What was the windiest day in Shilongba?
The windiest day measured in Shilongba between 1940 and 2025 was 5 March 1973, with winds reaching 22.6 km/h.
What is the warmest month in Shilongba?
The warmest month in Shilongba is May (22.2 °C on average); the coldest is December (10.5 °C).
How much does it rain in Shilongba?
Shilongba receives on average 1,524 mm of precipitation per year, spread over about 151 rainy days.
Is it sunny in Shilongba?
Shilongba gets on average 9.3 hours of sunshine per day, roughly 3,395 hours per year over 1940-2025.
What is the biggest single-day snowfall in Shilongba?
The heaviest 24-hour snowfall measured in Shilongba between 1940 and 2025 was 28 December 1983, with 16.9 cm.
Are there tropical nights in Shilongba?
Yes: Shilongba has on average 22 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Shilongba?
In Shilongba, between 1940 and 2025, the highest apparent temperature reached 37.8 °C on 30 May 2023, and the lowest was -10.8 °C on 1 January 1984.
Compare Shilongba with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Shilongba