Slavutych climate — normals and trends
Slavutych (Ukraine) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 7.3 °C and it receives 638 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 (19.6 °C on average) and the coldest is January (-5.8 °C). Rainfall peaks in July.
Slavutych averages 126 frost days, 7 hot days (≥ 30 °C) and 124 rainy days per year.
Slavutych has warmed by +3.1 °C between 1940 and 2025, or +0.37 °C per decade. This trend is statistically significant.
The number of frost days there went from about 147 to 105 per year over the period.
The hottest day of the period reached 38.2 °C (on 8 August 2010) and the coldest -38.1 °C (on 10 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
SlavutychKyiv Oblast
- coords
- 51.52°, 30.72°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
7.3°C
Average daily high
11.1°C
Average daily low
3.6°C
Annual rainfall
638mm
Sunshine / day
7.2h
Mean relative humidity
77%
Average peak wind
19.2km/h
Seasonal range
25.4°C
Frost days (< 0 °C)
126 d/yr
Hot days (≥ 30 °C)
7 d/yr
Rainy days (≥ 1 mm)
124 d/yr
Annual snowfall
89.5 cm
Average feels-like high
8.1 °C
Average feels-like low
0.2 °C
Average peak gust
35.6 km/h
Tropical nights (≥ 20 °C)
2 d/yr
Solar radiation
11.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+3.1 °C
since 1940
+0.4 °C per decade · r² = 0.51 · 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
38.2 °C
8 August 2010
Coldest day
-38.1 °C
10 January 1940
Wettest day
68 mm
30 September 1995
Windiest day
63.9 km/h
22 February 1953
Strongest gust
95.0 km/h
6 February 1993
Hottest feels-like
38.2 °C
16 July 1951
Coldest feels-like
-43.4 °C
10 January 1940
Snowiest day
20.8 cm
11 November 2007
Sunniest day
16.0 h
9 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 | 3.4 °C | +6.8 °C | 23 mm | -16 mm |
| Feb | -1.1 °C | +1.0 °C | 9 mm | -28 mm |
| Mar | 11.1 °C | +7.7 °C | 34 mm | -5 mm |
| Apr | 15.5 °C | +3.0 °C | 43 mm | -5 mm |
| May | 17.9 °C | -1.3 °C | 88 mm | +29 mm |
| Jun | 22.7 °C | -0.2 °C | 78 mm | +4 mm |
| Jul | 26.5 °C | +2.2 °C | 81 mm | -3 mm |
| Aug | 24.2 °C | +0.4 °C | 57 mm | -11 mm |
| Sep | 21.2 °C | +2.9 °C | 30 mm | -23 mm |
| Oct | 11.1 °C | 0.0 °C | 74 mm | +26 mm |
| Nov | 7.4 °C | +3.8 °C | 42 mm | -6 mm |
| Dec | 2.0 °C | +2.9 °C | 42 mm | -3 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 Slavutych?
Slavutych has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 7.3 °C and it receives 638 mm of precipitation per year.
What is the hottest day ever recorded in Slavutych?
The hottest day measured in Slavutych between 1940 and 2025 was 8 August 2010, reaching 38.2 °C.
What is the coldest day in Slavutych?
The coldest day measured in Slavutych between 1940 and 2025 was 10 January 1940, at -38.1 °C.
Does it snow in Slavutych?
Yes. Slavutych gets on average 89.5 cm of snow per year and has around 126 frost days.
Has the climate of Slavutych warmed?
Yes: Slavutych warmed by +3.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Slavutych?
The wettest day measured in Slavutych between 1940 and 2025 was 30 September 1995, with 68 mm of rain in 24 hours.
What was the windiest day in Slavutych?
The windiest day measured in Slavutych between 1940 and 2025 was 22 February 1953, with winds reaching 63.9 km/h.
What is the warmest month in Slavutych?
The warmest month in Slavutych is July (19.6 °C on average); the coldest is January (-5.8 °C).
How much does it rain in Slavutych?
Slavutych receives on average 638 mm of precipitation per year, spread over about 124 rainy days.
Is it sunny in Slavutych?
Slavutych gets on average 7.2 hours of sunshine per day, roughly 2,628 hours per year over 1940-2025.
What is the biggest single-day snowfall in Slavutych?
The heaviest 24-hour snowfall measured in Slavutych between 1940 and 2025 was 11 November 2007, with 20.8 cm.
Are there tropical nights in Slavutych?
Yes: Slavutych has on average 2 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Slavutych?
In Slavutych, between 1940 and 2025, the highest apparent temperature reached 38.2 °C on 16 July 1951, and the lowest was -43.4 °C on 10 January 1940.
Compare Slavutych with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Slavutych