Rostovka climate — normals and trends
Rostovka (Russia) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 1.1 °C and it receives 444 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 (19.1 °C on average) and the coldest is January (-17.9 °C). Rainfall peaks in July.
Rostovka averages 192 frost days, 7 hot days (≥ 30 °C) and 100 rainy days per year.
Rostovka has warmed by +2.5 °C between 1940 and 2025, or +0.30 °C per decade. This trend is statistically significant.
The number of frost days there went from about 200 to 184 per year over the period.
The hottest day of the period reached 37.5 °C (on 12 July 2023) and the coldest -49.3 °C (on 8 December 1968).
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
RostovkaOmsk Oblast
- coords
- 55.38°, 71.89°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
1.1°C
Average daily high
5.4°C
Average daily low
-3.3°C
Annual rainfall
444mm
Sunshine / day
7.6h
Mean relative humidity
74%
Average peak wind
21.4km/h
Seasonal range
37.0°C
Frost days (< 0 °C)
192 d/yr
Hot days (≥ 30 °C)
7 d/yr
Rainy days (≥ 1 mm)
100 d/yr
Annual snowfall
94.9 cm
Average feels-like high
1.4 °C
Average feels-like low
-7.7 °C
Average peak gust
36.9 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
11.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.5 °C
since 1940
+0.3 °C per decade · r² = 0.37 · 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
37.5 °C
12 July 2023
Coldest day
-49.3 °C
8 December 1968
Wettest day
85 mm
29 July 1975
Windiest day
61.3 km/h
9 February 1970
Strongest gust
105.8 km/h
26 April 2014
Hottest feels-like
39.3 °C
18 July 1953
Coldest feels-like
-54.0 °C
8 December 1968
Snowiest day
14.9 cm
13 October 2002
Sunniest day
16.6 h
24 June 2008
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 | -8.2 °C | +6.3 °C | 20 mm | +3 mm |
| Feb | -6.7 °C | +6.0 °C | 17 mm | +3 mm |
| Mar | -0.2 °C | +4.3 °C | 27 mm | +8 mm |
| Apr | 14.1 °C | +6.4 °C | 27 mm | -2 mm |
| May | 18.4 °C | +1.3 °C | 72 mm | +29 mm |
| Jun | 25.3 °C | +3.1 °C | 49 mm | -10 mm |
| Jul | 23.4 °C | -0.4 °C | 105 mm | +38 mm |
| Aug | 21.3 °C | +0.2 °C | 103 mm | +39 mm |
| Sep | 17.0 °C | +1.7 °C | 16 mm | -25 mm |
| Oct | 6.0 °C | 0.0 °C | 22 mm | -14 mm |
| Nov | 0.4 °C | +5.4 °C | 49 mm | +18 mm |
| Dec | -7.6 °C | +4.0 °C | 30 mm | +8 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 Rostovka?
Rostovka has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 1.1 °C and it receives 444 mm of precipitation per year.
What is the hottest day ever recorded in Rostovka?
The hottest day measured in Rostovka between 1940 and 2025 was 12 July 2023, reaching 37.5 °C.
What is the coldest day in Rostovka?
The coldest day measured in Rostovka between 1940 and 2025 was 8 December 1968, at -49.3 °C.
Does it snow in Rostovka?
Yes. Rostovka gets on average 94.9 cm of snow per year and has around 192 frost days.
Has the climate of Rostovka warmed?
Yes: Rostovka warmed by +2.5 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Rostovka?
The wettest day measured in Rostovka between 1940 and 2025 was 29 July 1975, with 85 mm of rain in 24 hours.
What was the windiest day in Rostovka?
The windiest day measured in Rostovka between 1940 and 2025 was 9 February 1970, with winds reaching 61.3 km/h.
What is the warmest month in Rostovka?
The warmest month in Rostovka is July (19.1 °C on average); the coldest is January (-17.9 °C).
How much does it rain in Rostovka?
Rostovka receives on average 444 mm of precipitation per year, spread over about 100 rainy days.
Is it sunny in Rostovka?
Rostovka 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 Rostovka?
The heaviest 24-hour snowfall measured in Rostovka between 1940 and 2025 was 13 October 2002, with 14.9 cm.
Are there tropical nights in Rostovka?
Yes: Rostovka has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Rostovka?
In Rostovka, between 1940 and 2025, the highest apparent temperature reached 39.3 °C on 18 July 1953, and the lowest was -54.0 °C on 8 December 1968.
Compare Rostovka with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Rostovka