Pervomayskoye climate — normals and trends
Pervomayskoye (Russia) has a cold semi-arid climate (BSk) under the Köppen-Geiger classification. Its mean annual temperature is 12.9 °C and it receives 317 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 (26.6 °C on average) and the coldest is January (0.0 °C). Rainfall peaks in May.
Pervomayskoye averages 69 frost days, 66 hot days (≥ 30 °C) and 68 rainy days per year.
Pervomayskoye has warmed by +1.7 °C between 1940 and 2025, or +0.20 °C per decade. This trend is statistically significant.
The number of frost days there went from about 81 to 57 per year over the period.
The hottest day of the period reached 42.0 °C (on 7 August 2006) and the coldest -30.2 °C (on 12 January 1940).
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
PervomayskoyeDagestan
- coords
- 43.92°, 46.71°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
12.9°C
Average daily high
17.5°C
Average daily low
8.7°C
Annual rainfall
317mm
Sunshine / day
8.4h
Mean relative humidity
70%
Average peak wind
19.0km/h
Seasonal range
26.6°C
Frost days (< 0 °C)
69 d/yr
Hot days (≥ 30 °C)
66 d/yr
Rainy days (≥ 1 mm)
68 d/yr
Annual snowfall
28.3 cm
Average feels-like high
15.2 °C
Average feels-like low
6.5 °C
Average peak gust
36.9 km/h
Tropical nights (≥ 20 °C)
51 d/yr
Solar radiation
13.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.7 °C
since 1940
+0.2 °C per decade · r² = 0.31 · 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
42.0 °C
7 August 2006
Coldest day
-30.2 °C
12 January 1940
Wettest day
82 mm
2 July 2013
Windiest day
53.8 km/h
7 February 1978
Strongest gust
96.1 km/h
7 March 1954
Hottest feels-like
44.8 °C
12 July 2010
Coldest feels-like
-35.9 °C
12 January 1940
Snowiest day
13.9 cm
7 March 1942
Sunniest day
14.2 h
22 June 1944
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 | 7.2 °C | +4.2 °C | 15 mm | -4 mm |
| Feb | 1.1 °C | -3.0 °C | 20 mm | +1 mm |
| Mar | 13.7 °C | +4.5 °C | 26 mm | +3 mm |
| Apr | 18.2 °C | +1.0 °C | 65 mm | +37 mm |
| May | 24.6 °C | +0.6 °C | 12 mm | -23 mm |
| Jun | 30.1 °C | +0.5 °C | 28 mm | -4 mm |
| Jul | 34.5 °C | +2.2 °C | 10 mm | -23 mm |
| Aug | 32.9 °C | +1.3 °C | 13 mm | -16 mm |
| Sep | 24.2 °C | -1.2 °C | 94 mm | +63 mm |
| Oct | 18.9 °C | +1.2 °C | 19 mm | -8 mm |
| Nov | 14.0 °C | +3.7 °C | 2 mm | -19 mm |
| Dec | 5.9 °C | +0.8 °C | 21 mm | -0 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 Pervomayskoye?
Pervomayskoye has a cold semi-arid climate (Köppen BSk). Over 1940-2025, the average annual temperature is 12.9 °C and it receives 317 mm of precipitation per year.
What is the hottest day ever recorded in Pervomayskoye?
The hottest day measured in Pervomayskoye between 1940 and 2025 was 7 August 2006, reaching 42.0 °C.
What is the coldest day in Pervomayskoye?
The coldest day measured in Pervomayskoye between 1940 and 2025 was 12 January 1940, at -30.2 °C.
Does it snow in Pervomayskoye?
Yes. Pervomayskoye gets on average 28.3 cm of snow per year and has around 69 frost days.
Has the climate of Pervomayskoye warmed?
Yes: Pervomayskoye warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Pervomayskoye?
The wettest day measured in Pervomayskoye between 1940 and 2025 was 2 July 2013, with 82 mm of rain in 24 hours.
What was the windiest day in Pervomayskoye?
The windiest day measured in Pervomayskoye between 1940 and 2025 was 7 February 1978, with winds reaching 53.8 km/h.
What is the warmest month in Pervomayskoye?
The warmest month in Pervomayskoye is July (26.6 °C on average); the coldest is January (0.0 °C).
How much does it rain in Pervomayskoye?
Pervomayskoye receives on average 317 mm of precipitation per year, spread over about 68 rainy days.
Is it sunny in Pervomayskoye?
Pervomayskoye gets on average 8.4 hours of sunshine per day, roughly 3,066 hours per year over 1940-2025.
What is the biggest single-day snowfall in Pervomayskoye?
The heaviest 24-hour snowfall measured in Pervomayskoye between 1940 and 2025 was 7 March 1942, with 13.9 cm.
Are there tropical nights in Pervomayskoye?
Yes: Pervomayskoye has on average 51 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Pervomayskoye?
In Pervomayskoye, between 1940 and 2025, the highest apparent temperature reached 44.8 °C on 12 July 2010, and the lowest was -35.9 °C on 12 January 1940.
Compare Pervomayskoye with another city
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Nearby cities
The climate around Pervomayskoye