Bol’shoye Boldino climate — normals and trends
Bol’shoye Boldino (Russia) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 4.2 °C and it receives 598 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 (19.0 °C on average) and the coldest is January (-11.1 °C). Rainfall peaks in July.
Bol’shoye Boldino averages 167 frost days, 6 hot days (≥ 30 °C) and 125 rainy days per year.
Bol’shoye Boldino has warmed by +2.9 °C between 1940 and 2025, or +0.34 °C per decade. This trend is statistically significant.
The number of frost days there went from about 178 to 156 per year over the period.
The hottest day of the period reached 38.6 °C (on 29 July 2010) and the coldest -44.9 °C (on 31 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
Bol’shoye BoldinoNizhny Novgorod Oblast
- coords
- 55.01°, 45.31°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
4.2°C
Average daily high
7.9°C
Average daily low
0.4°C
Annual rainfall
598mm
Sunshine / day
7.1h
Mean relative humidity
76%
Average peak wind
18.2km/h
Seasonal range
30.1°C
Frost days (< 0 °C)
167 d/yr
Hot days (≥ 30 °C)
6 d/yr
Rainy days (≥ 1 mm)
125 d/yr
Annual snowfall
130.0 cm
Average feels-like high
4.6 °C
Average feels-like low
-3.4 °C
Average peak gust
35.6 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
10.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.9 °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
38.6 °C
29 July 2010
Coldest day
-44.9 °C
31 December 1978
Wettest day
73 mm
27 July 1973
Windiest day
49.3 km/h
26 March 1953
Strongest gust
92.2 km/h
19 October 1973
Hottest feels-like
39.5 °C
1 August 2010
Coldest feels-like
-50.5 °C
31 December 1978
Snowiest day
14.1 cm
22 March 1994
Sunniest day
16.0 h
30 June 2024
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 | +7.2 °C | 51 mm | +16 mm |
| Feb | -5.4 °C | +1.8 °C | 16 mm | -16 mm |
| Mar | 6.1 °C | +7.0 °C | 31 mm | -2 mm |
| Apr | 14.2 °C | +4.4 °C | 42 mm | +2 mm |
| May | 19.2 °C | +1.4 °C | 24 mm | -29 mm |
| Jun | 21.3 °C | -0.4 °C | 78 mm | +12 mm |
| Jul | 25.4 °C | +1.8 °C | 57 mm | -19 mm |
| Aug | 22.5 °C | +0.4 °C | 82 mm | +18 mm |
| Sep | 17.4 °C | +1.7 °C | 13 mm | -43 mm |
| Oct | 10.2 °C | +3.0 °C | 37 mm | -17 mm |
| Nov | 5.3 °C | +6.0 °C | 64 mm | +18 mm |
| Dec | -2.6 °C | +3.1 °C | 40 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 Bol’shoye Boldino?
Bol’shoye Boldino has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 4.2 °C and it receives 598 mm of precipitation per year.
What is the hottest day ever recorded in Bol’shoye Boldino?
The hottest day measured in Bol’shoye Boldino between 1940 and 2025 was 29 July 2010, reaching 38.6 °C.
What is the coldest day in Bol’shoye Boldino?
The coldest day measured in Bol’shoye Boldino between 1940 and 2025 was 31 December 1978, at -44.9 °C.
Does it snow in Bol’shoye Boldino?
Yes. Bol’shoye Boldino gets on average 130.0 cm of snow per year and has around 167 frost days.
Has the climate of Bol’shoye Boldino warmed?
Yes: Bol’shoye Boldino warmed by +2.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Bol’shoye Boldino?
The wettest day measured in Bol’shoye Boldino between 1940 and 2025 was 27 July 1973, with 73 mm of rain in 24 hours.
What was the windiest day in Bol’shoye Boldino?
The windiest day measured in Bol’shoye Boldino between 1940 and 2025 was 26 March 1953, with winds reaching 49.3 km/h.
What is the warmest month in Bol’shoye Boldino?
The warmest month in Bol’shoye Boldino is July (19.0 °C on average); the coldest is January (-11.1 °C).
How much does it rain in Bol’shoye Boldino?
Bol’shoye Boldino receives on average 598 mm of precipitation per year, spread over about 125 rainy days.
Is it sunny in Bol’shoye Boldino?
Bol’shoye Boldino gets on average 7.1 hours of sunshine per day, roughly 2,592 hours per year over 1940-2025.
What is the biggest single-day snowfall in Bol’shoye Boldino?
The heaviest 24-hour snowfall measured in Bol’shoye Boldino between 1940 and 2025 was 22 March 1994, with 14.1 cm.
Are there tropical nights in Bol’shoye Boldino?
Yes: Bol’shoye Boldino has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Bol’shoye Boldino?
In Bol’shoye Boldino, between 1940 and 2025, the highest apparent temperature reached 39.5 °C on 1 August 2010, and the lowest was -50.5 °C on 31 December 1978.
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Nearby cities
The climate around Bol’shoye Boldino