Huanan climate — normals and trends
Huanan (China) has a hot-summer humid continental, dry winter climate (Dwa) under the Köppen-Geiger classification. Its mean annual temperature is 3.4 °C and it receives 621 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 (22.2 °C on average) and the coldest is January (-19.0 °C). Rainfall peaks in August.
Huanan averages 182 frost days, 11 hot days (≥ 30 °C) and 96 rainy days per year.
Huanan has warmed by +2.2 °C between 1940 and 2025, or +0.26 °C per decade. This trend is statistically significant.
The number of frost days there went from about 186 to 178 per year over the period.
The hottest day of the period reached 38.1 °C (on 26 June 2010) and the coldest -39.0 °C (on 7 January 1951).
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
HuananHeilongjiang
- coords
- 46.24°, 130.55°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
3.4°C
Average daily high
8.5°C
Average daily low
-1.8°C
Annual rainfall
621mm
Sunshine / day
9.1h
Mean relative humidity
68%
Average peak wind
17.5km/h
Seasonal range
41.2°C
Frost days (< 0 °C)
182 d/yr
Hot days (≥ 30 °C)
11 d/yr
Rainy days (≥ 1 mm)
96 d/yr
Annual snowfall
53.1 cm
Average feels-like high
5.6 °C
Average feels-like low
-5.1 °C
Average peak gust
34.9 km/h
Tropical nights (≥ 20 °C)
10 d/yr
Solar radiation
13.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.2 °C
since 1940
+0.3 °C per decade · r² = 0.48 · 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
38.1 °C
26 June 2010
Coldest day
-39.0 °C
7 January 1951
Wettest day
112 mm
23 August 1960
Windiest day
52.5 km/h
14 April 1956
Strongest gust
101.2 km/h
29 April 1983
Hottest feels-like
41.4 °C
26 June 2010
Coldest feels-like
-45.1 °C
7 January 1951
Snowiest day
29.7 cm
20 October 2007
Sunniest day
15.0 h
20 June 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 | -12.7 °C | +1.6 °C | 4 mm | -2 mm |
| Feb | -8.8 °C | +0.5 °C | 5 mm | -3 mm |
| Mar | 1.4 °C | +1.2 °C | 15 mm | -4 mm |
| Apr | 13.7 °C | +2.0 °C | 45 mm | +5 mm |
| May | 20.3 °C | +0.9 °C | 80 mm | +11 mm |
| Jun | 25.8 °C | +1.5 °C | 101 mm | +10 mm |
| Jul | 29.9 °C | +3.1 °C | 81 mm | -37 mm |
| Aug | 26.3 °C | +1.1 °C | 78 mm | -48 mm |
| Sep | 23.4 °C | +3.6 °C | 37 mm | -32 mm |
| Oct | 10.0 °C | -1.2 °C | 13 mm | -33 mm |
| Nov | 1.6 °C | +2.9 °C | 15 mm | -5 mm |
| Dec | -9.8 °C | +1.9 °C | 8 mm | -3 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 Huanan?
Huanan has a hot-summer humid continental, dry winter climate (Köppen Dwa). Over 1940-2025, the average annual temperature is 3.4 °C and it receives 621 mm of precipitation per year.
What is the hottest day ever recorded in Huanan?
The hottest day measured in Huanan between 1940 and 2025 was 26 June 2010, reaching 38.1 °C.
What is the coldest day in Huanan?
The coldest day measured in Huanan between 1940 and 2025 was 7 January 1951, at -39.0 °C.
Does it snow in Huanan?
Yes. Huanan gets on average 53.1 cm of snow per year and has around 182 frost days.
Has the climate of Huanan warmed?
Yes: Huanan warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Huanan?
The wettest day measured in Huanan between 1940 and 2025 was 23 August 1960, with 112 mm of rain in 24 hours.
What was the windiest day in Huanan?
The windiest day measured in Huanan between 1940 and 2025 was 14 April 1956, with winds reaching 52.5 km/h.
What is the warmest month in Huanan?
The warmest month in Huanan is July (22.2 °C on average); the coldest is January (-19.0 °C).
How much does it rain in Huanan?
Huanan receives on average 621 mm of precipitation per year, spread over about 96 rainy days.
Is it sunny in Huanan?
Huanan gets on average 9.1 hours of sunshine per day, roughly 3,322 hours per year over 1940-2025.
What is the biggest single-day snowfall in Huanan?
The heaviest 24-hour snowfall measured in Huanan between 1940 and 2025 was 20 October 2007, with 29.7 cm.
Are there tropical nights in Huanan?
Yes: Huanan has on average 10 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Huanan?
In Huanan, between 1940 and 2025, the highest apparent temperature reached 41.4 °C on 26 June 2010, and the lowest was -45.1 °C on 7 January 1951.
Compare Huanan with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Huanan