Petrovsk climate — normals and trends
Petrovsk (Russia) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 5.0 °C and it receives 541 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 (20.2 °C on average) and the coldest is January (-10.8 °C). Rainfall peaks in July.
Petrovsk averages 162 frost days, 12 hot days (≥ 30 °C) and 110 rainy days per year.
Petrovsk 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 175 to 149 per year over the period.
The hottest day of the period reached 39.9 °C (on 2 August 2010) and the coldest -40.9 °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
PetrovskSaratov Oblast
- coords
- 52.31°, 45.39°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
5.0°C
Average daily high
9.0°C
Average daily low
1.1°C
Annual rainfall
541mm
Sunshine / day
7.6h
Mean relative humidity
74%
Average peak wind
18.7km/h
Seasonal range
31.0°C
Frost days (< 0 °C)
162 d/yr
Hot days (≥ 30 °C)
12 d/yr
Rainy days (≥ 1 mm)
110 d/yr
Annual snowfall
126.4 cm
Average feels-like high
5.6 °C
Average feels-like low
-2.7 °C
Average peak gust
35.8 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
+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
39.9 °C
2 August 2010
Coldest day
-40.9 °C
22 January 1942
Wettest day
58 mm
1 August 1976
Windiest day
59.1 km/h
8 February 1958
Strongest gust
98.6 km/h
8 February 1958
Hottest feels-like
40.2 °C
2 August 2010
Coldest feels-like
-46.1 °C
22 January 1942
Snowiest day
21.6 cm
12 April 2020
Sunniest day
16.0 h
10 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 | -1.0 °C | +7.0 °C | 39 mm | -2 mm |
| Feb | -6.0 °C | +1.1 °C | 33 mm | -1 mm |
| Mar | 6.6 °C | +7.6 °C | 31 mm | -5 mm |
| Apr | 16.5 °C | +5.7 °C | 22 mm | -19 mm |
| May | 20.2 °C | +1.0 °C | 55 mm | +5 mm |
| Jun | 22.5 °C | -0.8 °C | 92 mm | +37 mm |
| Jul | 27.0 °C | +1.8 °C | 65 mm | +7 mm |
| Aug | 24.7 °C | +0.5 °C | 40 mm | -9 mm |
| Sep | 19.7 °C | +2.0 °C | 7 mm | -38 mm |
| Oct | 11.2 °C | +2.4 °C | 50 mm | +5 mm |
| Nov | 6.5 °C | +6.4 °C | 34 mm | -11 mm |
| Dec | -2.3 °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 Petrovsk?
Petrovsk has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 5.0 °C and it receives 541 mm of precipitation per year.
What is the hottest day ever recorded in Petrovsk?
The hottest day measured in Petrovsk between 1940 and 2025 was 2 August 2010, reaching 39.9 °C.
What is the coldest day in Petrovsk?
The coldest day measured in Petrovsk between 1940 and 2025 was 22 January 1942, at -40.9 °C.
Does it snow in Petrovsk?
Yes. Petrovsk gets on average 126.4 cm of snow per year and has around 162 frost days.
Has the climate of Petrovsk warmed?
Yes: Petrovsk warmed by +2.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Petrovsk?
The wettest day measured in Petrovsk between 1940 and 2025 was 1 August 1976, with 58 mm of rain in 24 hours.
What was the windiest day in Petrovsk?
The windiest day measured in Petrovsk between 1940 and 2025 was 8 February 1958, with winds reaching 59.1 km/h.
What is the warmest month in Petrovsk?
The warmest month in Petrovsk is July (20.2 °C on average); the coldest is January (-10.8 °C).
How much does it rain in Petrovsk?
Petrovsk receives on average 541 mm of precipitation per year, spread over about 110 rainy days.
Is it sunny in Petrovsk?
Petrovsk gets on average 7.6 hours of sunshine per day, roughly 2,774 hours per year over 1940-2025.
What is the biggest single-day snowfall in Petrovsk?
The heaviest 24-hour snowfall measured in Petrovsk between 1940 and 2025 was 12 April 2020, with 21.6 cm.
Are there tropical nights in Petrovsk?
Yes: Petrovsk has on average 4 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Petrovsk?
In Petrovsk, between 1940 and 2025, the highest apparent temperature reached 40.2 °C on 2 August 2010, and the lowest was -46.1 °C on 22 January 1942.
Compare Petrovsk with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Petrovsk