Ostrogozhsk climate — normals and trends
Ostrogozhsk (Russia) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 7.1 °C and it receives 558 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 (20.9 °C on average) and the coldest is January (-7.4 °C). Rainfall peaks in June.
Ostrogozhsk averages 137 frost days, 15 hot days (≥ 30 °C) and 113 rainy days per year.
Ostrogozhsk has warmed by +3.1 °C between 1940 and 2025, or +0.36 °C per decade. This trend is statistically significant.
The number of frost days there went from about 155 to 119 per year over the period.
The hottest day of the period reached 39.8 °C (on 2 August 2010) and the coldest -38.4 °C (on 22 January 1942).
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
OstrogozhskVoronezh Oblast
- coords
- 50.87°, 39.08°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
7.1°C
Average daily high
11.1°C
Average daily low
3.0°C
Annual rainfall
558mm
Sunshine / day
7.5h
Mean relative humidity
73%
Average peak wind
18.3km/h
Seasonal range
28.3°C
Frost days (< 0 °C)
137 d/yr
Hot days (≥ 30 °C)
15 d/yr
Rainy days (≥ 1 mm)
113 d/yr
Annual snowfall
101.5 cm
Average feels-like high
8.1 °C
Average feels-like low
-0.4 °C
Average peak gust
35.3 km/h
Tropical nights (≥ 20 °C)
4 d/yr
Solar radiation
11.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+3.1 °C
since 1940
+0.4 °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
39.8 °C
2 August 2010
Coldest day
-38.4 °C
22 January 1942
Wettest day
61 mm
30 June 1958
Windiest day
51.6 km/h
30 March 1942
Strongest gust
109.8 km/h
19 October 1973
Hottest feels-like
40.0 °C
12 August 1951
Coldest feels-like
-44.1 °C
22 January 1942
Snowiest day
16.7 cm
26 November 1965
Sunniest day
15.2 h
27 June 2022
Normals computed over complete calendar years 1940–2025.
A specific year
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Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 2.3 °C | +7.0 °C | 29 mm | -12 mm |
| Feb | -3.8 °C | -0.2 °C | 23 mm | -14 mm |
| Mar | 10.3 °C | +8.1 °C | 52 mm | +14 mm |
| Apr | 17.1 °C | +4.1 °C | 13 mm | -31 mm |
| May | 20.9 °C | +0.7 °C | 64 mm | +11 mm |
| Jun | 23.4 °C | -0.7 °C | 77 mm | +17 mm |
| Jul | 29.1 °C | +3.1 °C | 57 mm | -2 mm |
| Aug | 25.3 °C | -0.1 °C | 35 mm | -9 mm |
| Sep | 21.6 °C | +2.5 °C | 6 mm | -39 mm |
| Oct | 12.0 °C | +1.1 °C | 81 mm | +37 mm |
| Nov | 7.9 °C | +5.1 °C | 34 mm | -13 mm |
| Dec | 0.0 °C | +2.1 °C | 40 mm | -6 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 Ostrogozhsk?
Ostrogozhsk has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 7.1 °C and it receives 558 mm of precipitation per year.
What is the hottest day ever recorded in Ostrogozhsk?
The hottest day measured in Ostrogozhsk between 1940 and 2025 was 2 August 2010, reaching 39.8 °C.
What is the coldest day in Ostrogozhsk?
The coldest day measured in Ostrogozhsk between 1940 and 2025 was 22 January 1942, at -38.4 °C.
Does it snow in Ostrogozhsk?
Yes. Ostrogozhsk gets on average 101.5 cm of snow per year and has around 137 frost days.
Has the climate of Ostrogozhsk warmed?
Yes: Ostrogozhsk warmed by +3.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Ostrogozhsk?
The wettest day measured in Ostrogozhsk between 1940 and 2025 was 30 June 1958, with 61 mm of rain in 24 hours.
What was the windiest day in Ostrogozhsk?
The windiest day measured in Ostrogozhsk between 1940 and 2025 was 30 March 1942, with winds reaching 51.6 km/h.
What is the warmest month in Ostrogozhsk?
The warmest month in Ostrogozhsk is July (20.9 °C on average); the coldest is January (-7.4 °C).
How much does it rain in Ostrogozhsk?
Ostrogozhsk receives on average 558 mm of precipitation per year, spread over about 113 rainy days.
Is it sunny in Ostrogozhsk?
Ostrogozhsk gets on average 7.5 hours of sunshine per day, roughly 2,738 hours per year over 1940-2025.
What is the biggest single-day snowfall in Ostrogozhsk?
The heaviest 24-hour snowfall measured in Ostrogozhsk between 1940 and 2025 was 26 November 1965, with 16.7 cm.
Are there tropical nights in Ostrogozhsk?
Yes: Ostrogozhsk has on average 4 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Ostrogozhsk?
In Ostrogozhsk, between 1940 and 2025, the highest apparent temperature reached 40.0 °C on 12 August 1951, and the lowest was -44.1 °C on 22 January 1942.
Compare Ostrogozhsk with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Ostrogozhsk