Longjing climate — normals and trends
Longjing (China) has a warm-summer humid continental, dry winter climate (Dwb) under the Köppen-Geiger classification. Its mean annual temperature is 4.9 °C and it receives 657 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 (20.7 °C on average) and the coldest is January (-14.0 °C). Rainfall peaks in August.
Longjing averages 177 frost days, 8 hot days (≥ 30 °C) and 94 rainy days per year.
Longjing has warmed by +2.7 °C between 1940 and 2025, or +0.32 °C per decade. This trend is statistically significant.
The number of frost days there went from about 183 to 171 per year over the period.
The hottest day of the period reached 36.1 °C (on 16 July 1958) and the coldest -35.1 °C (on 26 January 1948).
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
LongjingJilin
- coords
- 42.77°, 129.42°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
4.9°C
Average daily high
10.8°C
Average daily low
-0.5°C
Annual rainfall
657mm
Sunshine / day
8.9h
Mean relative humidity
67%
Average peak wind
15.2km/h
Seasonal range
34.7°C
Frost days (< 0 °C)
177 d/yr
Hot days (≥ 30 °C)
8 d/yr
Rainy days (≥ 1 mm)
94 d/yr
Annual snowfall
59.2 cm
Average feels-like high
8.2 °C
Average feels-like low
-3.4 °C
Average peak gust
36.9 km/h
Tropical nights (≥ 20 °C)
7 d/yr
Solar radiation
14.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.7 °C
since 1940
+0.3 °C per decade · r² = 0.67 · 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
36.1 °C
16 July 1958
Coldest day
-35.1 °C
26 January 1948
Wettest day
119 mm
27 July 1949
Windiest day
41.9 km/h
18 March 1955
Strongest gust
108.0 km/h
13 April 2010
Hottest feels-like
41.6 °C
24 July 2021
Coldest feels-like
-40.7 °C
26 January 1948
Snowiest day
40.5 cm
9 November 1968
Sunniest day
15.0 h
19 June 1942
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 | -3.9 °C | +4.0 °C | 20 mm | +12 mm |
| Feb | -2.6 °C | +1.3 °C | 1 mm | -11 mm |
| Mar | 5.9 °C | +2.0 °C | 13 mm | -9 mm |
| Apr | 13.4 °C | +0.3 °C | 80 mm | +36 mm |
| May | 20.2 °C | +1.0 °C | 74 mm | 0 mm |
| Jun | 26.5 °C | +4.0 °C | 97 mm | +11 mm |
| Jul | 30.0 °C | +4.6 °C | 90 mm | -39 mm |
| Aug | 27.4 °C | +1.9 °C | 202 mm | +64 mm |
| Sep | 23.7 °C | +3.0 °C | 58 mm | -10 mm |
| Oct | 12.6 °C | -1.0 °C | 36 mm | -2 mm |
| Nov | 5.5 °C | +2.6 °C | 19 mm | -6 mm |
| Dec | -4.3 °C | +1.3 °C | 7 mm | -5 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 Longjing?
Longjing has a warm-summer humid continental, dry winter climate (Köppen Dwb). Over 1940-2025, the average annual temperature is 4.9 °C and it receives 657 mm of precipitation per year.
What is the hottest day ever recorded in Longjing?
The hottest day measured in Longjing between 1940 and 2025 was 16 July 1958, reaching 36.1 °C.
What is the coldest day in Longjing?
The coldest day measured in Longjing between 1940 and 2025 was 26 January 1948, at -35.1 °C.
Does it snow in Longjing?
Yes. Longjing gets on average 59.2 cm of snow per year and has around 177 frost days.
Has the climate of Longjing warmed?
Yes: Longjing warmed by +2.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Longjing?
The wettest day measured in Longjing between 1940 and 2025 was 27 July 1949, with 119 mm of rain in 24 hours.
What was the windiest day in Longjing?
The windiest day measured in Longjing between 1940 and 2025 was 18 March 1955, with winds reaching 41.9 km/h.
What is the warmest month in Longjing?
The warmest month in Longjing is July (20.7 °C on average); the coldest is January (-14.0 °C).
How much does it rain in Longjing?
Longjing receives on average 657 mm of precipitation per year, spread over about 94 rainy days.
Is it sunny in Longjing?
Longjing gets on average 8.9 hours of sunshine per day, roughly 3,249 hours per year over 1940-2025.
What is the biggest single-day snowfall in Longjing?
The heaviest 24-hour snowfall measured in Longjing between 1940 and 2025 was 9 November 1968, with 40.5 cm.
Are there tropical nights in Longjing?
Yes: Longjing has on average 7 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Longjing?
In Longjing, between 1940 and 2025, the highest apparent temperature reached 41.6 °C on 24 July 2021, and the lowest was -40.7 °C on 26 January 1948.
Compare Longjing with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Longjing