Langfang climate — normals and trends
Langfang (China) has a hot-summer humid continental, dry winter climate (Dwa) under the Köppen-Geiger classification. Its mean annual temperature is 12.7 °C and it receives 765 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 (27.0 °C on average) and the coldest is January (-3.9 °C). Rainfall peaks in July.
Langfang averages 120 frost days, 69 hot days (≥ 30 °C) and 72 rainy days per year.
Langfang has warmed by +2.5 °C between 1940 and 2025, or +0.30 °C per decade. This trend is statistically significant.
The number of frost days there went from about 130 to 110 per year over the period.
The hottest day of the period reached 42.7 °C (on 21 June 1942) and the coldest -27.7 °C (on 19 February 1952).
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
LangfangHebei
- coords
- 39.52°, 116.71°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
12.7°C
Average daily high
18.0°C
Average daily low
7.8°C
Annual rainfall
765mm
Sunshine / day
9.3h
Mean relative humidity
57%
Average peak wind
15.0km/h
Seasonal range
30.9°C
Frost days (< 0 °C)
120 d/yr
Hot days (≥ 30 °C)
69 d/yr
Rainy days (≥ 1 mm)
72 d/yr
Annual snowfall
14.5 cm
Average feels-like high
16.5 °C
Average feels-like low
5.8 °C
Average peak gust
31.5 km/h
Tropical nights (≥ 20 °C)
72 d/yr
Solar radiation
15.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.5 °C
since 1940
+0.3 °C per decade · r² = 0.52 · 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
42.7 °C
21 June 1942
Coldest day
-27.7 °C
19 February 1952
Wettest day
159 mm
26 August 1987
Windiest day
44.7 km/h
11 May 1976
Strongest gust
88.2 km/h
18 March 2020
Hottest feels-like
46.3 °C
21 July 1958
Coldest feels-like
-33.4 °C
19 February 1952
Snowiest day
14.3 cm
25 February 1959
Sunniest day
14.1 h
7 July 1951
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 | 4.2 °C | +3.1 °C | 2 mm | -2 mm |
| Feb | 5.8 °C | +1.2 °C | 0 mm | -7 mm |
| Mar | 15.6 °C | +3.5 °C | 7 mm | -6 mm |
| Apr | 23.8 °C | +2.9 °C | 22 mm | -9 mm |
| May | 26.9 °C | -0.3 °C | 63 mm | +10 mm |
| Jun | 33.0 °C | +2.0 °C | 58 mm | -42 mm |
| Jul | 33.0 °C | +1.7 °C | 248 mm | +27 mm |
| Aug | 31.0 °C | +1.1 °C | 263 mm | +55 mm |
| Sep | 28.0 °C | +2.0 °C | 26 mm | -48 mm |
| Oct | 17.2 °C | -2.0 °C | 96 mm | +60 mm |
| Nov | 13.2 °C | +3.3 °C | 3 mm | -11 mm |
| Dec | 4.3 °C | +1.7 °C | 2 mm | -2 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 Langfang?
Langfang has a hot-summer humid continental, dry winter climate (Köppen Dwa). Over 1940-2025, the average annual temperature is 12.7 °C and it receives 765 mm of precipitation per year.
What is the hottest day ever recorded in Langfang?
The hottest day measured in Langfang between 1940 and 2025 was 21 June 1942, reaching 42.7 °C.
What is the coldest day in Langfang?
The coldest day measured in Langfang between 1940 and 2025 was 19 February 1952, at -27.7 °C.
Does it snow in Langfang?
Yes. Langfang gets on average 14.5 cm of snow per year and has around 120 frost days.
Has the climate of Langfang warmed?
Yes: Langfang warmed by +2.5 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Langfang?
The wettest day measured in Langfang between 1940 and 2025 was 26 August 1987, with 159 mm of rain in 24 hours.
What was the windiest day in Langfang?
The windiest day measured in Langfang between 1940 and 2025 was 11 May 1976, with winds reaching 44.7 km/h.
What is the warmest month in Langfang?
The warmest month in Langfang is July (27.0 °C on average); the coldest is January (-3.9 °C).
How much does it rain in Langfang?
Langfang receives on average 765 mm of precipitation per year, spread over about 72 rainy days.
Is it sunny in Langfang?
Langfang 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 Langfang?
The heaviest 24-hour snowfall measured in Langfang between 1940 and 2025 was 25 February 1959, with 14.3 cm.
Are there tropical nights in Langfang?
Yes: Langfang has on average 72 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Langfang?
In Langfang, between 1940 and 2025, the highest apparent temperature reached 46.3 °C on 21 July 1958, and the lowest was -33.4 °C on 19 February 1952.
Compare Langfang with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Langfang