Jinniu climate — normals and trends
Jinniu (China) has a warm-summer mediterranean climate (Csb) under the Köppen-Geiger classification. Its mean annual temperature is 15.8 °C and it receives 971 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 (21.0 °C on average) and the coldest is January (8.8 °C). Rainfall peaks in July.
Jinniu averages 1 frost days, 7 hot days (≥ 30 °C) and 122 rainy days per year.
Jinniu has warmed by +2.7 °C between 1940 and 2025, or +0.32 °C per decade. This trend is statistically significant.
The hottest day of the period reached 35.0 °C (on 31 May 2023) and the coldest -6.7 °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
JinniuYunnan
- coords
- 25.80°, 100.57°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
15.8°C
Average daily high
21.7°C
Average daily low
11.1°C
Annual rainfall
971mm
Sunshine / day
9.3h
Mean relative humidity
66%
Average peak wind
10.5km/h
Seasonal range
12.2°C
Frost days (< 0 °C)
1 d/yr
Hot days (≥ 30 °C)
7 d/yr
Rainy days (≥ 1 mm)
122 d/yr
Annual snowfall
1.0 cm
Average feels-like high
20.9 °C
Average feels-like low
10.3 °C
Average peak gust
36.1 km/h
Tropical nights (≥ 20 °C)
3 d/yr
Solar radiation
17.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.7 °C
since 1940
+0.3 °C per decade · r² = 0.76 · 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
35.0 °C
31 May 2023
Coldest day
-6.7 °C
29 December 1983
Wettest day
95 mm
19 August 1961
Windiest day
24.4 km/h
20 February 1989
Strongest gust
87.1 km/h
22 March 1993
Hottest feels-like
34.3 °C
3 June 1962
Coldest feels-like
-10.4 °C
29 December 1983
Snowiest day
16.5 cm
28 December 1983
Sunniest day
13.1 h
14 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 | 16.9 °C | +1.0 °C | 18 mm | +6 mm |
| Feb | 19.3 °C | +1.3 °C | 2 mm | -9 mm |
| Mar | 21.4 °C | +0.1 °C | 25 mm | +11 mm |
| Apr | 25.9 °C | +1.6 °C | 18 mm | -3 mm |
| May | 25.0 °C | -1.0 °C | 125 mm | +53 mm |
| Jun | 26.0 °C | +0.4 °C | 244 mm | +74 mm |
| Jul | 26.4 °C | +1.7 °C | 231 mm | +30 mm |
| Aug | 25.2 °C | +0.7 °C | 203 mm | +3 mm |
| Sep | 25.0 °C | +1.5 °C | 178 mm | +28 mm |
| Oct | 23.0 °C | +1.5 °C | 105 mm | +22 mm |
| Nov | 18.6 °C | -0.1 °C | 49 mm | +22 mm |
| Dec | 17.9 °C | +1.7 °C | 1 mm | -10 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 Jinniu?
Jinniu has a warm-summer mediterranean climate (Köppen Csb). Over 1940-2025, the average annual temperature is 15.8 °C and it receives 971 mm of precipitation per year.
What is the hottest day ever recorded in Jinniu?
The hottest day measured in Jinniu between 1940 and 2025 was 31 May 2023, reaching 35.0 °C.
What is the coldest day in Jinniu?
The coldest day measured in Jinniu between 1940 and 2025 was 29 December 1983, at -6.7 °C.
Does it snow in Jinniu?
Almost never: Jinniu sees virtually no snow, with about 1 frost days per year.
Has the climate of Jinniu warmed?
Yes: Jinniu warmed by +2.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Jinniu?
The wettest day measured in Jinniu between 1940 and 2025 was 19 August 1961, with 95 mm of rain in 24 hours.
What was the windiest day in Jinniu?
The windiest day measured in Jinniu between 1940 and 2025 was 20 February 1989, with winds reaching 24.4 km/h.
What is the warmest month in Jinniu?
The warmest month in Jinniu is June (21.0 °C on average); the coldest is January (8.8 °C).
How much does it rain in Jinniu?
Jinniu receives on average 971 mm of precipitation per year, spread over about 122 rainy days.
Is it sunny in Jinniu?
Jinniu 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 Jinniu?
The heaviest 24-hour snowfall measured in Jinniu between 1940 and 2025 was 28 December 1983, with 16.5 cm.
Are there tropical nights in Jinniu?
Yes: Jinniu has on average 3 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Jinniu?
In Jinniu, between 1940 and 2025, the highest apparent temperature reached 34.3 °C on 3 June 1962, and the lowest was -10.4 °C on 29 December 1983.
Compare Jinniu with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Jinniu