Pianjiao climate — normals and trends
Pianjiao (China) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 17.6 °C and it receives 906 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 (22.5 °C on average) and the coldest is January (11.1 °C). Rainfall peaks in August.
Pianjiao averages 0 frost days, 27 hot days (≥ 30 °C) and 110 rainy days per year.
Pianjiao has warmed by +2.9 °C between 1940 and 2025, or +0.34 °C per decade. This trend is statistically significant.
The hottest day of the period reached 37.5 °C (on 31 May 2023) and the coldest -6.5 °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
PianjiaoYunnan
- coords
- 26.02°, 100.58°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
17.6°C
Average daily high
23.3°C
Average daily low
12.6°C
Annual rainfall
906mm
Sunshine / day
9.5h
Mean relative humidity
59%
Average peak wind
8.5km/h
Seasonal range
11.4°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
27 d/yr
Rainy days (≥ 1 mm)
110 d/yr
Annual snowfall
0.5 cm
Average feels-like high
22.7 °C
Average feels-like low
11.9 °C
Average peak gust
34.3 km/h
Tropical nights (≥ 20 °C)
14 d/yr
Solar radiation
16.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.9 °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
37.5 °C
31 May 2023
Coldest day
-6.5 °C
29 December 1983
Wettest day
98 mm
7 June 2014
Windiest day
22.2 km/h
20 February 1989
Strongest gust
90.0 km/h
25 March 1946
Hottest feels-like
36.7 °C
24 June 2015
Coldest feels-like
-10.2 °C
29 December 1983
Snowiest day
16.9 cm
28 December 1983
Sunniest day
13.1 h
5 June 2023
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 | 18.4 °C | +0.8 °C | 19 mm | +10 mm |
| Feb | 20.6 °C | +0.9 °C | 1 mm | -7 mm |
| Mar | 23.1 °C | 0.0 °C | 7 mm | -2 mm |
| Apr | 27.8 °C | +1.6 °C | 20 mm | +6 mm |
| May | 27.1 °C | -1.0 °C | 119 mm | +60 mm |
| Jun | 27.6 °C | +0.2 °C | 197 mm | +43 mm |
| Jul | 27.7 °C | +1.5 °C | 248 mm | +52 mm |
| Aug | 26.5 °C | +0.8 °C | 246 mm | +45 mm |
| Sep | 26.1 °C | +1.4 °C | 233 mm | +84 mm |
| Oct | 24.2 °C | +1.4 °C | 94 mm | +18 mm |
| Nov | 19.8 °C | -0.4 °C | 39 mm | +16 mm |
| Dec | 19.5 °C | +1.7 °C | 1 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 Pianjiao?
Pianjiao has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 17.6 °C and it receives 906 mm of precipitation per year.
What is the hottest day ever recorded in Pianjiao?
The hottest day measured in Pianjiao between 1940 and 2025 was 31 May 2023, reaching 37.5 °C.
What is the coldest day in Pianjiao?
The coldest day measured in Pianjiao between 1940 and 2025 was 29 December 1983, at -6.5 °C.
Does it snow in Pianjiao?
Almost never: Pianjiao sees virtually no snow, with about 0 frost days per year.
Has the climate of Pianjiao warmed?
Yes: Pianjiao warmed by +2.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Pianjiao?
The wettest day measured in Pianjiao between 1940 and 2025 was 7 June 2014, with 98 mm of rain in 24 hours.
What was the windiest day in Pianjiao?
The windiest day measured in Pianjiao between 1940 and 2025 was 20 February 1989, with winds reaching 22.2 km/h.
What is the warmest month in Pianjiao?
The warmest month in Pianjiao is June (22.5 °C on average); the coldest is January (11.1 °C).
How much does it rain in Pianjiao?
Pianjiao receives on average 906 mm of precipitation per year, spread over about 110 rainy days.
Is it sunny in Pianjiao?
Pianjiao gets on average 9.5 hours of sunshine per day, roughly 3,468 hours per year over 1940-2025.
What is the biggest single-day snowfall in Pianjiao?
The heaviest 24-hour snowfall measured in Pianjiao between 1940 and 2025 was 28 December 1983, with 16.9 cm.
Are there tropical nights in Pianjiao?
Yes: Pianjiao has on average 14 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Pianjiao?
In Pianjiao, between 1940 and 2025, the highest apparent temperature reached 36.7 °C on 24 June 2015, and the lowest was -10.2 °C on 29 December 1983.
Compare Pianjiao with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Pianjiao