Zmiyiv climate — normals and trends
Zmiyiv (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 557 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 (21.1 °C on average) and the coldest is January (-6.0 °C). Rainfall peaks in June.
Zmiyiv averages 127 frost days, 15 hot days (≥ 30 °C) and 108 rainy days per year.
Zmiyiv has warmed by +3.0 °C between 1940 and 2025, or +0.35 °C per decade. This trend is statistically significant.
The number of frost days there went from about 145 to 109 per year over the period.
The hottest day of the period reached 39.2 °C (on 8 August 2010) and the coldest -34.6 °C (on 22 January 1942).
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
ZmiyivKharkiv Oblast
- coords
- 49.70°, 36.36°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
7.8°C
Average daily high
11.8°C
Average daily low
3.9°C
Annual rainfall
557mm
Sunshine / day
7.6h
Mean relative humidity
74%
Average peak wind
17.7km/h
Seasonal range
27.1°C
Frost days (< 0 °C)
127 d/yr
Hot days (≥ 30 °C)
15 d/yr
Rainy days (≥ 1 mm)
108 d/yr
Annual snowfall
88.0 cm
Average feels-like high
9.0 °C
Average feels-like low
0.6 °C
Average peak gust
35.0 km/h
Tropical nights (≥ 20 °C)
5 d/yr
Solar radiation
11.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+3.0 °C
since 1940
+0.4 °C per decade · r² = 0.45 · 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
39.2 °C
8 August 2010
Coldest day
-34.6 °C
22 January 1942
Wettest day
52 mm
19 August 1969
Windiest day
46.6 km/h
18 October 1958
Strongest gust
99.7 km/h
23 November 2008
Hottest feels-like
40.9 °C
12 August 1951
Coldest feels-like
-40.7 °C
22 January 1942
Snowiest day
22.7 cm
18 January 1970
Sunniest day
15.2 h
27 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 | 3.2 °C | +6.6 °C | 22 mm | -21 mm |
| Feb | -2.2 °C | 0.0 °C | 18 mm | -22 mm |
| Mar | 11.2 °C | +7.7 °C | 36 mm | -5 mm |
| Apr | 16.8 °C | +3.3 °C | 11 mm | -34 mm |
| May | 19.8 °C | -0.5 °C | 93 mm | +40 mm |
| Jun | 23.9 °C | -0.3 °C | 53 mm | -5 mm |
| Jul | 29.6 °C | +3.5 °C | 43 mm | -14 mm |
| Aug | 25.8 °C | +0.1 °C | 49 mm | +4 mm |
| Sep | 22.3 °C | +2.6 °C | 8 mm | -34 mm |
| Oct | 12.5 °C | +0.7 °C | 80 mm | +38 mm |
| Nov | 8.8 °C | +4.9 °C | 25 mm | -20 mm |
| Dec | 1.2 °C | +2.2 °C | 38 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 Zmiyiv?
Zmiyiv has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 7.8 °C and it receives 557 mm of precipitation per year.
What is the hottest day ever recorded in Zmiyiv?
The hottest day measured in Zmiyiv between 1940 and 2025 was 8 August 2010, reaching 39.2 °C.
What is the coldest day in Zmiyiv?
The coldest day measured in Zmiyiv between 1940 and 2025 was 22 January 1942, at -34.6 °C.
Does it snow in Zmiyiv?
Yes. Zmiyiv gets on average 88.0 cm of snow per year and has around 127 frost days.
Has the climate of Zmiyiv warmed?
Yes: Zmiyiv warmed by +3.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Zmiyiv?
The wettest day measured in Zmiyiv between 1940 and 2025 was 19 August 1969, with 52 mm of rain in 24 hours.
What was the windiest day in Zmiyiv?
The windiest day measured in Zmiyiv between 1940 and 2025 was 18 October 1958, with winds reaching 46.6 km/h.
What is the warmest month in Zmiyiv?
The warmest month in Zmiyiv is July (21.1 °C on average); the coldest is January (-6.0 °C).
How much does it rain in Zmiyiv?
Zmiyiv receives on average 557 mm of precipitation per year, spread over about 108 rainy days.
Is it sunny in Zmiyiv?
Zmiyiv 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 Zmiyiv?
The heaviest 24-hour snowfall measured in Zmiyiv between 1940 and 2025 was 18 January 1970, with 22.7 cm.
Are there tropical nights in Zmiyiv?
Yes: Zmiyiv has on average 5 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Zmiyiv?
In Zmiyiv, between 1940 and 2025, the highest apparent temperature reached 40.9 °C on 12 August 1951, and the lowest was -40.7 °C on 22 January 1942.
Compare Zmiyiv with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Zmiyiv