Longlin climate — normals and trends
Longlin (China) has a warm-summer humid continental, dry winter climate (Dwb) under the Köppen-Geiger classification. Its mean annual temperature is 7.9 °C and it receives 903 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 (19.3 °C on average) and the coldest is January (-5.6 °C). Rainfall peaks in July.
Longlin averages 130 frost days, 0 hot days (≥ 30 °C) and 148 rainy days per year.
Longlin has warmed by +1.4 °C between 1940 and 2025, or +0.16 °C per decade. This trend is statistically significant.
The number of frost days there went from about 137 to 123 per year over the period.
The hottest day of the period reached 31.3 °C (on 6 July 2022) and the coldest -28.1 °C (on 14 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
LonglinGansu
- coords
- 33.94°, 105.07°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
7.9°C
Average daily high
12.7°C
Average daily low
3.5°C
Annual rainfall
903mm
Sunshine / day
8.3h
Mean relative humidity
74%
Average peak wind
10.3km/h
Seasonal range
24.9°C
Frost days (< 0 °C)
130 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
148 d/yr
Annual snowfall
67.7 cm
Average feels-like high
11.1 °C
Average feels-like low
1.3 °C
Average peak gust
28.2 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
14.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.4 °C
since 1940
+0.2 °C per decade · r² = 0.37 · 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
31.3 °C
6 July 2022
Coldest day
-28.1 °C
14 December 1975
Wettest day
118 mm
24 June 1946
Windiest day
39.5 km/h
31 May 1946
Strongest gust
85.7 km/h
22 May 1946
Hottest feels-like
34.1 °C
13 July 2021
Coldest feels-like
-33.2 °C
14 December 1975
Snowiest day
11.3 cm
15 April 2022
Sunniest day
14.0 h
31 May 1940
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 | 1.2 °C | +1.2 °C | 28 mm | +11 mm |
| Feb | 0.1 °C | -2.2 °C | 43 mm | +20 mm |
| Mar | 7.9 °C | -0.9 °C | 23 mm | -20 mm |
| Apr | 17.4 °C | +2.9 °C | 22 mm | -41 mm |
| May | 21.1 °C | +2.8 °C | 102 mm | +14 mm |
| Jun | 22.2 °C | +0.8 °C | 103 mm | -3 mm |
| Jul | 25.1 °C | +1.5 °C | 146 mm | -11 mm |
| Aug | 24.0 °C | +1.2 °C | 127 mm | -22 mm |
| Sep | 20.0 °C | +2.0 °C | 152 mm | +20 mm |
| Oct | 13.0 °C | -0.1 °C | 134 mm | +52 mm |
| Nov | 8.4 °C | +0.8 °C | 26 mm | -7 mm |
| Dec | 4.9 °C | +3.0 °C | 12 mm | -1 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 Longlin?
Longlin has a warm-summer humid continental, dry winter climate (Köppen Dwb). Over 1940-2025, the average annual temperature is 7.9 °C and it receives 903 mm of precipitation per year.
What is the hottest day ever recorded in Longlin?
The hottest day measured in Longlin between 1940 and 2025 was 6 July 2022, reaching 31.3 °C.
What is the coldest day in Longlin?
The coldest day measured in Longlin between 1940 and 2025 was 14 December 1975, at -28.1 °C.
Does it snow in Longlin?
Yes. Longlin gets on average 67.7 cm of snow per year and has around 130 frost days.
Has the climate of Longlin warmed?
Yes: Longlin warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Longlin?
The wettest day measured in Longlin between 1940 and 2025 was 24 June 1946, with 118 mm of rain in 24 hours.
What was the windiest day in Longlin?
The windiest day measured in Longlin between 1940 and 2025 was 31 May 1946, with winds reaching 39.5 km/h.
What is the warmest month in Longlin?
The warmest month in Longlin is July (19.3 °C on average); the coldest is January (-5.6 °C).
How much does it rain in Longlin?
Longlin receives on average 903 mm of precipitation per year, spread over about 148 rainy days.
Is it sunny in Longlin?
Longlin gets on average 8.3 hours of sunshine per day, roughly 3,030 hours per year over 1940-2025.
What is the biggest single-day snowfall in Longlin?
The heaviest 24-hour snowfall measured in Longlin between 1940 and 2025 was 15 April 2022, with 11.3 cm.
Are there tropical nights in Longlin?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Longlin.
What was the most extreme apparent temperature in Longlin?
In Longlin, between 1940 and 2025, the highest apparent temperature reached 34.1 °C on 13 July 2021, and the lowest was -33.2 °C on 14 December 1975.
Compare Longlin with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Longlin