Bologoye-4 climate — normals and trends
Bologoye-4 (Russia) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 4.3 °C and it receives 699 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 (17.4 °C on average) and the coldest is January (-8.9 °C). Rainfall peaks in July.
Bologoye-4 averages 160 frost days, 1 hot days (≥ 30 °C) and 145 rainy days per year.
Bologoye-4 has warmed by +2.8 °C between 1940 and 2025, or +0.33 °C per decade. This trend is statistically significant.
The number of frost days there went from about 173 to 147 per year over the period.
The hottest day of the period reached 36.2 °C (on 4 August 2010) and the coldest -43.3 °C (on 30 December 1978).
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
Bologoye-4Tver Oblast
- coords
- 57.90°, 33.65°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
4.3°C
Average daily high
7.7°C
Average daily low
0.7°C
Annual rainfall
699mm
Sunshine / day
6.6h
Mean relative humidity
79%
Average peak wind
17.3km/h
Seasonal range
26.3°C
Frost days (< 0 °C)
160 d/yr
Hot days (≥ 30 °C)
1 d/yr
Rainy days (≥ 1 mm)
145 d/yr
Annual snowfall
138.2 cm
Average feels-like high
4.4 °C
Average feels-like low
-2.9 °C
Average peak gust
36.0 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
9.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.8 °C
since 1940
+0.3 °C per decade · r² = 0.44 · 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
36.2 °C
4 August 2010
Coldest day
-43.3 °C
30 December 1978
Wettest day
67 mm
4 August 1988
Windiest day
45.1 km/h
27 October 2019
Strongest gust
98.6 km/h
4 August 1988
Hottest feels-like
37.8 °C
7 August 2010
Coldest feels-like
-48.8 °C
30 December 1978
Snowiest day
20.7 cm
30 November 2012
Sunniest day
17.2 h
22 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 | 0.9 °C | +7.4 °C | 74 mm | +35 mm |
| Feb | -2.8 °C | +2.3 °C | 18 mm | -15 mm |
| Mar | 6.4 °C | +5.9 °C | 43 mm | +6 mm |
| Apr | 10.7 °C | +2.2 °C | 45 mm | -1 mm |
| May | 16.0 °C | +0.3 °C | 66 mm | +2 mm |
| Jun | 18.4 °C | -1.3 °C | 159 mm | +79 mm |
| Jul | 25.2 °C | +3.6 °C | 84 mm | -6 mm |
| Aug | 19.7 °C | -0.3 °C | 104 mm | +21 mm |
| Sep | 17.5 °C | +3.3 °C | 40 mm | -26 mm |
| Oct | 7.8 °C | +0.8 °C | 50 mm | -13 mm |
| Nov | 3.3 °C | +3.1 °C | 54 mm | 0 mm |
| Dec | 0.1 °C | +4.0 °C | 59 mm | +13 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 Bologoye-4?
Bologoye-4 has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 4.3 °C and it receives 699 mm of precipitation per year.
What is the hottest day ever recorded in Bologoye-4?
The hottest day measured in Bologoye-4 between 1940 and 2025 was 4 August 2010, reaching 36.2 °C.
What is the coldest day in Bologoye-4?
The coldest day measured in Bologoye-4 between 1940 and 2025 was 30 December 1978, at -43.3 °C.
Does it snow in Bologoye-4?
Yes. Bologoye-4 gets on average 138.2 cm of snow per year and has around 160 frost days.
Has the climate of Bologoye-4 warmed?
Yes: Bologoye-4 warmed by +2.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Bologoye-4?
The wettest day measured in Bologoye-4 between 1940 and 2025 was 4 August 1988, with 67 mm of rain in 24 hours.
What was the windiest day in Bologoye-4?
The windiest day measured in Bologoye-4 between 1940 and 2025 was 27 October 2019, with winds reaching 45.1 km/h.
What is the warmest month in Bologoye-4?
The warmest month in Bologoye-4 is July (17.4 °C on average); the coldest is January (-8.9 °C).
How much does it rain in Bologoye-4?
Bologoye-4 receives on average 699 mm of precipitation per year, spread over about 145 rainy days.
Is it sunny in Bologoye-4?
Bologoye-4 gets on average 6.6 hours of sunshine per day, roughly 2,409 hours per year over 1940-2025.
What is the biggest single-day snowfall in Bologoye-4?
The heaviest 24-hour snowfall measured in Bologoye-4 between 1940 and 2025 was 30 November 2012, with 20.7 cm.
Are there tropical nights in Bologoye-4?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Bologoye-4.
What was the most extreme apparent temperature in Bologoye-4?
In Bologoye-4, between 1940 and 2025, the highest apparent temperature reached 37.8 °C on 7 August 2010, and the lowest was -48.8 °C on 30 December 1978.
Compare Bologoye-4 with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Bologoye-4