Boli climate — normals and trends
Boli (China) has a warm-summer humid continental, dry winter climate (Dwb) under the Köppen-Geiger classification. Its mean annual temperature is 2.8 °C and it receives 786 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 (21.2 °C on average) and the coldest is January (-18.8 °C). Rainfall peaks in August.
Boli averages 185 frost days, 5 hot days (≥ 30 °C) and 112 rainy days per year.
Boli has warmed by +2.1 °C between 1940 and 2025, or +0.25 °C per decade. This trend is statistically significant.
The number of frost days there went from about 190 to 180 per year over the period.
The hottest day of the period reached 35.8 °C (on 4 August 1982) and the coldest -36.9 °C (on 6 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
BoliHeilongjiang
- coords
- 45.75°, 130.58°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
2.8°C
Average daily high
7.8°C
Average daily low
-2.2°C
Annual rainfall
786mm
Sunshine / day
9.1h
Mean relative humidity
69%
Average peak wind
15.9km/h
Seasonal range
40.0°C
Frost days (< 0 °C)
185 d/yr
Hot days (≥ 30 °C)
5 d/yr
Rainy days (≥ 1 mm)
112 d/yr
Annual snowfall
69.1 cm
Average feels-like high
4.9 °C
Average feels-like low
-5.5 °C
Average peak gust
36.2 km/h
Tropical nights (≥ 20 °C)
6 d/yr
Solar radiation
13.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.1 °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
35.8 °C
4 August 1982
Coldest day
-36.9 °C
6 January 1951
Wettest day
153 mm
23 August 1960
Windiest day
43.3 km/h
11 March 2007
Strongest gust
114.1 km/h
29 April 1983
Hottest feels-like
39.8 °C
5 August 1982
Coldest feels-like
-42.5 °C
11 January 2001
Snowiest day
37.5 cm
6 November 2023
Sunniest day
15.0 h
29 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 | -12.1 °C | +1.8 °C | 5 mm | -1 mm |
| Feb | -8.9 °C | +0.5 °C | 5 mm | -4 mm |
| Mar | 0.5 °C | +1.1 °C | 16 mm | -6 mm |
| Apr | 12.5 °C | +2.1 °C | 50 mm | +1 mm |
| May | 18.9 °C | +0.9 °C | 114 mm | +24 mm |
| Jun | 24.5 °C | +1.7 °C | 109 mm | -14 mm |
| Jul | 28.8 °C | +3.2 °C | 81 mm | -75 mm |
| Aug | 25.5 °C | +1.2 °C | 144 mm | -14 mm |
| Sep | 22.5 °C | +3.7 °C | 35 mm | -52 mm |
| Oct | 9.0 °C | -1.2 °C | 14 mm | -40 mm |
| Nov | 1.3 °C | +3.0 °C | 17 mm | -7 mm |
| Dec | -9.7 °C | +1.7 °C | 7 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 Boli?
Boli has a warm-summer humid continental, dry winter climate (Köppen Dwb). Over 1940-2025, the average annual temperature is 2.8 °C and it receives 786 mm of precipitation per year.
What is the hottest day ever recorded in Boli?
The hottest day measured in Boli between 1940 and 2025 was 4 August 1982, reaching 35.8 °C.
What is the coldest day in Boli?
The coldest day measured in Boli between 1940 and 2025 was 6 January 1951, at -36.9 °C.
Does it snow in Boli?
Yes. Boli gets on average 69.1 cm of snow per year and has around 185 frost days.
Has the climate of Boli warmed?
Yes: Boli warmed by +2.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Boli?
The wettest day measured in Boli between 1940 and 2025 was 23 August 1960, with 153 mm of rain in 24 hours.
What was the windiest day in Boli?
The windiest day measured in Boli between 1940 and 2025 was 11 March 2007, with winds reaching 43.3 km/h.
What is the warmest month in Boli?
The warmest month in Boli is July (21.2 °C on average); the coldest is January (-18.8 °C).
How much does it rain in Boli?
Boli receives on average 786 mm of precipitation per year, spread over about 112 rainy days.
Is it sunny in Boli?
Boli 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 Boli?
The heaviest 24-hour snowfall measured in Boli between 1940 and 2025 was 6 November 2023, with 37.5 cm.
Are there tropical nights in Boli?
Yes: Boli has on average 6 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Boli?
In Boli, between 1940 and 2025, the highest apparent temperature reached 39.8 °C on 5 August 1982, and the lowest was -42.5 °C on 11 January 2001.
Compare Boli with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Boli