Junlian climate — normals and trends
Junlian (China) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 16.3 °C and it receives 1,674 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 (25.4 °C on average) and the coldest is January (6.1 °C). Rainfall peaks in July.
Junlian averages 5 frost days, 34 hot days (≥ 30 °C) and 237 rainy days per year.
Junlian 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 8 to 2 per year over the period.
The hottest day of the period reached 40.6 °C (on 21 August 2022) and the coldest -11.6 °C (on 15 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
JunlianSichuan
- coords
- 28.17°, 104.51°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
16.3°C
Average daily high
19.3°C
Average daily low
13.5°C
Annual rainfall
1,674mm
Sunshine / day
5.4h
Mean relative humidity
82%
Average peak wind
8.4km/h
Seasonal range
19.3°C
Frost days (< 0 °C)
5 d/yr
Hot days (≥ 30 °C)
34 d/yr
Rainy days (≥ 1 mm)
237 d/yr
Annual snowfall
13.4 cm
Average feels-like high
20.3 °C
Average feels-like low
13.9 °C
Average peak gust
22.4 km/h
Tropical nights (≥ 20 °C)
84 d/yr
Solar radiation
10.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.1 °C
since 1940
+0.1 °C per decade · r² = 0.34 · 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
40.6 °C
21 August 2022
Coldest day
-11.6 °C
15 December 1975
Wettest day
145 mm
1 July 1944
Windiest day
39.0 km/h
15 May 1946
Strongest gust
79.2 km/h
7 June 1946
Hottest feels-like
44.5 °C
15 July 2022
Coldest feels-like
-16.2 °C
15 December 1975
Snowiest day
9.2 cm
27 January 2008
Sunniest day
13.8 h
29 June 1941
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 | 10.6 °C | +2.2 °C | 86 mm | +13 mm |
| Feb | 9.5 °C | -0.9 °C | 96 mm | +25 mm |
| Mar | 14.8 °C | -0.7 °C | 88 mm | +10 mm |
| Apr | 23.1 °C | +2.4 °C | 71 mm | -19 mm |
| May | 25.7 °C | +1.5 °C | 131 mm | -1 mm |
| Jun | 29.0 °C | +2.6 °C | 128 mm | -65 mm |
| Jul | 31.5 °C | +2.4 °C | 332 mm | +19 mm |
| Aug | 30.9 °C | +2.1 °C | 397 mm | +105 mm |
| Sep | 26.3 °C | +1.8 °C | 290 mm | +112 mm |
| Oct | 21.1 °C | +2.0 °C | 158 mm | +54 mm |
| Nov | 15.0 °C | +0.2 °C | 75 mm | -5 mm |
| Dec | 11.7 °C | +1.9 °C | 39 mm | -31 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 Junlian?
Junlian has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 16.3 °C and it receives 1,674 mm of precipitation per year.
What is the hottest day ever recorded in Junlian?
The hottest day measured in Junlian between 1940 and 2025 was 21 August 2022, reaching 40.6 °C.
What is the coldest day in Junlian?
The coldest day measured in Junlian between 1940 and 2025 was 15 December 1975, at -11.6 °C.
Does it snow in Junlian?
Yes. Junlian gets on average 13.4 cm of snow per year and has around 5 frost days.
Has the climate of Junlian warmed?
Yes: Junlian warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Junlian?
The wettest day measured in Junlian between 1940 and 2025 was 1 July 1944, with 145 mm of rain in 24 hours.
What was the windiest day in Junlian?
The windiest day measured in Junlian between 1940 and 2025 was 15 May 1946, with winds reaching 39.0 km/h.
What is the warmest month in Junlian?
The warmest month in Junlian is July (25.4 °C on average); the coldest is January (6.1 °C).
How much does it rain in Junlian?
Junlian receives on average 1,674 mm of precipitation per year, spread over about 237 rainy days.
Is it sunny in Junlian?
Junlian gets on average 5.4 hours of sunshine per day, roughly 1,971 hours per year over 1940-2025.
What is the biggest single-day snowfall in Junlian?
The heaviest 24-hour snowfall measured in Junlian between 1940 and 2025 was 27 January 2008, with 9.2 cm.
Are there tropical nights in Junlian?
Yes: Junlian has on average 84 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Junlian?
In Junlian, between 1940 and 2025, the highest apparent temperature reached 44.5 °C on 15 July 2022, and the lowest was -16.2 °C on 15 December 1975.
Compare Junlian with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Junlian