Valky climate — normals and trends
Valky (Ukraine) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 7.8 °C and it receives 577 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 (20.9 °C on average) and the coldest is January (-6.0 °C). Rainfall peaks in June.
Valky averages 128 frost days, 14 hot days (≥ 30 °C) and 111 rainy days per year.
Valky has warmed by +2.9 °C between 1940 and 2025, or +0.34 °C per decade. This trend is statistically significant.
The number of frost days there went from about 146 to 110 per year over the period.
The hottest day of the period reached 39.5 °C (on 8 August 2010) and the coldest -34.7 °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
ValkyKharkiv Oblast
- coords
- 49.84°, 35.61°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
7.8°C
Average daily high
11.7°C
Average daily low
3.9°C
Annual rainfall
577mm
Sunshine / day
7.6h
Mean relative humidity
74%
Average peak wind
18.4km/h
Seasonal range
26.9°C
Frost days (< 0 °C)
128 d/yr
Hot days (≥ 30 °C)
14 d/yr
Rainy days (≥ 1 mm)
111 d/yr
Annual snowfall
90.0 cm
Average feels-like high
8.8 °C
Average feels-like low
0.5 °C
Average peak gust
35.5 km/h
Tropical nights (≥ 20 °C)
5 d/yr
Solar radiation
11.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.9 °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
39.5 °C
8 August 2010
Coldest day
-34.7 °C
10 January 1940
Wettest day
90 mm
26 August 1981
Windiest day
50.9 km/h
15 February 1962
Strongest gust
99.4 km/h
23 November 2008
Hottest feels-like
39.8 °C
12 August 1951
Coldest feels-like
-40.9 °C
10 January 1940
Snowiest day
18.6 cm
15 November 1992
Sunniest day
15.3 h
5 July 2006
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 | 3.3 °C | +6.8 °C | 20 mm | -23 mm |
| Feb | -2.2 °C | 0.0 °C | 18 mm | -23 mm |
| Mar | 11.1 °C | +7.7 °C | 40 mm | -1 mm |
| Apr | 16.6 °C | +3.3 °C | 19 mm | -27 mm |
| May | 19.5 °C | -0.6 °C | 97 mm | +42 mm |
| Jun | 23.8 °C | -0.2 °C | 61 mm | -2 mm |
| Jul | 29.0 °C | +3.2 °C | 56 mm | -5 mm |
| Aug | 26.1 °C | +0.7 °C | 41 mm | -9 mm |
| Sep | 22.1 °C | +2.5 °C | 14 mm | -31 mm |
| Oct | 12.4 °C | +0.7 °C | 80 mm | +36 mm |
| Nov | 8.8 °C | +5.0 °C | 28 mm | -18 mm |
| Dec | 1.2 °C | +2.2 °C | 42 mm | -4 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 Valky?
Valky has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 7.8 °C and it receives 577 mm of precipitation per year.
What is the hottest day ever recorded in Valky?
The hottest day measured in Valky between 1940 and 2025 was 8 August 2010, reaching 39.5 °C.
What is the coldest day in Valky?
The coldest day measured in Valky between 1940 and 2025 was 10 January 1940, at -34.7 °C.
Does it snow in Valky?
Yes. Valky gets on average 90.0 cm of snow per year and has around 128 frost days.
Has the climate of Valky warmed?
Yes: Valky warmed by +2.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Valky?
The wettest day measured in Valky between 1940 and 2025 was 26 August 1981, with 90 mm of rain in 24 hours.
What was the windiest day in Valky?
The windiest day measured in Valky between 1940 and 2025 was 15 February 1962, with winds reaching 50.9 km/h.
What is the warmest month in Valky?
The warmest month in Valky is July (20.9 °C on average); the coldest is January (-6.0 °C).
How much does it rain in Valky?
Valky receives on average 577 mm of precipitation per year, spread over about 111 rainy days.
Is it sunny in Valky?
Valky 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 Valky?
The heaviest 24-hour snowfall measured in Valky between 1940 and 2025 was 15 November 1992, with 18.6 cm.
Are there tropical nights in Valky?
Yes: Valky has on average 5 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Valky?
In Valky, between 1940 and 2025, the highest apparent temperature reached 39.8 °C on 12 August 1951, and the lowest was -40.9 °C on 10 January 1940.
Compare Valky with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Valky