Kronstadt climate — normals and trends
Kronstadt (Russia) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 4.4 °C and it receives 698 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 (15.8 °C on average) and the coldest is February (-5.8 °C). Rainfall peaks in September.
Kronstadt averages 137 frost days, 0 hot days (≥ 30 °C) and 140 rainy days per year.
Kronstadt has warmed by +1.9 °C between 1940 and 2025, or +0.22 °C per decade. This trend is statistically significant.
The number of frost days there went from about 152 to 122 per year over the period.
The hottest day of the period reached 29.8 °C (on 23 June 2021) and the coldest -32.9 °C (on 12 January 1987).
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
KronstadtSt.-Petersburg
- coords
- 59.99°, 29.78°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
4.4°C
Average daily high
6.2°C
Average daily low
2.7°C
Annual rainfall
698mm
Sunshine / day
7.1h
Mean relative humidity
83%
Average peak wind
25.6km/h
Seasonal range
21.6°C
Frost days (< 0 °C)
137 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
140 d/yr
Annual snowfall
132.5 cm
Average feels-like high
2.4 °C
Average feels-like low
-1.9 °C
Average peak gust
35.2 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
9.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.9 °C
since 1940
+0.2 °C per decade · r² = 0.18 · 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
29.8 °C
23 June 2021
Coldest day
-32.9 °C
12 January 1987
Wettest day
50 mm
15 June 2022
Windiest day
64.8 km/h
21 January 1957
Strongest gust
100.4 km/h
29 September 1975
Hottest feels-like
32.3 °C
23 June 2021
Coldest feels-like
-40.7 °C
13 January 1987
Snowiest day
19.1 cm
23 March 1971
Sunniest day
18.0 h
16 June 1940
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 | 0.5 °C | +4.5 °C | 101 mm | +55 mm |
| Feb | -3.8 °C | +0.4 °C | 17 mm | -20 mm |
| Mar | 2.8 °C | +3.8 °C | 47 mm | +9 mm |
| Apr | 6.1 °C | +2.1 °C | 64 mm | +25 mm |
| May | 11.3 °C | +1.6 °C | 94 mm | +51 mm |
| Jun | 16.3 °C | +2.2 °C | 133 mm | +78 mm |
| Jul | 22.5 °C | +4.6 °C | 49 mm | -13 mm |
| Aug | 18.6 °C | +1.5 °C | 122 mm | +40 mm |
| Sep | 16.3 °C | +3.5 °C | 46 mm | -37 mm |
| Oct | 8.3 °C | +1.6 °C | 60 mm | -23 mm |
| Nov | 4.8 °C | +2.6 °C | 99 mm | +25 mm |
| Dec | 1.4 °C | +2.7 °C | 65 mm | +7 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 Kronstadt?
Kronstadt has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 4.4 °C and it receives 698 mm of precipitation per year.
What is the hottest day ever recorded in Kronstadt?
The hottest day measured in Kronstadt between 1940 and 2025 was 23 June 2021, reaching 29.8 °C.
What is the coldest day in Kronstadt?
The coldest day measured in Kronstadt between 1940 and 2025 was 12 January 1987, at -32.9 °C.
Does it snow in Kronstadt?
Yes. Kronstadt gets on average 132.5 cm of snow per year and has around 137 frost days.
Has the climate of Kronstadt warmed?
Yes: Kronstadt warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Kronstadt?
The wettest day measured in Kronstadt between 1940 and 2025 was 15 June 2022, with 50 mm of rain in 24 hours.
What was the windiest day in Kronstadt?
The windiest day measured in Kronstadt between 1940 and 2025 was 21 January 1957, with winds reaching 64.8 km/h.
What is the warmest month in Kronstadt?
The warmest month in Kronstadt is July (15.8 °C on average); the coldest is February (-5.8 °C).
How much does it rain in Kronstadt?
Kronstadt receives on average 698 mm of precipitation per year, spread over about 140 rainy days.
Is it sunny in Kronstadt?
Kronstadt 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 Kronstadt?
The heaviest 24-hour snowfall measured in Kronstadt between 1940 and 2025 was 23 March 1971, with 19.1 cm.
Are there tropical nights in Kronstadt?
Yes: Kronstadt has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Kronstadt?
In Kronstadt, between 1940 and 2025, the highest apparent temperature reached 32.3 °C on 23 June 2021, and the lowest was -40.7 °C on 13 January 1987.
Compare Kronstadt with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Kronstadt