Trostyanets' climate — normals and trends
Trostyanets' (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 599 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 (20.3 °C on average) and the coldest is January (-6.3 °C). Rainfall peaks in July.
Trostyanets' averages 131 frost days, 10 hot days (≥ 30 °C) and 114 rainy days per year.
Trostyanets' has warmed by +3.1 °C between 1940 and 2025, or +0.36 °C per decade. This trend is statistically significant.
The number of frost days there went from about 150 to 112 per year over the period.
The hottest day of the period reached 38.8 °C (on 8 August 2010) and the coldest -36.3 °C (on 23 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
Trostyanets'Sumy
- coords
- 50.48°, 34.97°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
7.3°C
Average daily high
11.2°C
Average daily low
3.5°C
Annual rainfall
599mm
Sunshine / day
7.4h
Mean relative humidity
75%
Average peak wind
18.5km/h
Seasonal range
26.6°C
Frost days (< 0 °C)
131 d/yr
Hot days (≥ 30 °C)
10 d/yr
Rainy days (≥ 1 mm)
114 d/yr
Annual snowfall
96.3 cm
Average feels-like high
8.3 °C
Average feels-like low
0.1 °C
Average peak gust
35.5 km/h
Tropical nights (≥ 20 °C)
3 d/yr
Solar radiation
11.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+3.1 °C
since 1940
+0.4 °C per decade · r² = 0.48 · 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
38.8 °C
8 August 2010
Coldest day
-36.3 °C
23 January 1942
Wettest day
51 mm
24 September 2014
Windiest day
49.2 km/h
25 May 1945
Strongest gust
104.8 km/h
23 November 2008
Hottest feels-like
39.6 °C
9 August 2010
Coldest feels-like
-42.1 °C
22 January 1942
Snowiest day
21.3 cm
27 February 1971
Sunniest day
15.5 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 | 3.1 °C | +6.9 °C | 19 mm | -24 mm |
| Feb | -2.2 °C | +0.4 °C | 16 mm | -25 mm |
| Mar | 10.7 °C | +7.8 °C | 45 mm | +4 mm |
| Apr | 16.2 °C | +3.3 °C | 24 mm | -22 mm |
| May | 19.5 °C | -0.3 °C | 59 mm | +2 mm |
| Jun | 23.1 °C | -0.4 °C | 58 mm | -7 mm |
| Jul | 28.0 °C | +2.8 °C | 68 mm | +1 mm |
| Aug | 25.1 °C | +0.4 °C | 41 mm | -11 mm |
| Sep | 21.4 °C | +2.5 °C | 14 mm | -33 mm |
| Oct | 11.4 °C | +0.2 °C | 96 mm | +50 mm |
| Nov | 8.5 °C | +5.1 °C | 45 mm | -3 mm |
| Dec | 1.0 °C | +2.3 °C | 41 mm | -6 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 Trostyanets'?
Trostyanets' has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 7.3 °C and it receives 599 mm of precipitation per year.
What is the hottest day ever recorded in Trostyanets'?
The hottest day measured in Trostyanets' between 1940 and 2025 was 8 August 2010, reaching 38.8 °C.
What is the coldest day in Trostyanets'?
The coldest day measured in Trostyanets' between 1940 and 2025 was 23 January 1942, at -36.3 °C.
Does it snow in Trostyanets'?
Yes. Trostyanets' gets on average 96.3 cm of snow per year and has around 131 frost days.
Has the climate of Trostyanets' warmed?
Yes: Trostyanets' warmed by +3.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Trostyanets'?
The wettest day measured in Trostyanets' between 1940 and 2025 was 24 September 2014, with 51 mm of rain in 24 hours.
What was the windiest day in Trostyanets'?
The windiest day measured in Trostyanets' between 1940 and 2025 was 25 May 1945, with winds reaching 49.2 km/h.
What is the warmest month in Trostyanets'?
The warmest month in Trostyanets' is July (20.3 °C on average); the coldest is January (-6.3 °C).
How much does it rain in Trostyanets'?
Trostyanets' receives on average 599 mm of precipitation per year, spread over about 114 rainy days.
Is it sunny in Trostyanets'?
Trostyanets' gets on average 7.4 hours of sunshine per day, roughly 2,701 hours per year over 1940-2025.
What is the biggest single-day snowfall in Trostyanets'?
The heaviest 24-hour snowfall measured in Trostyanets' between 1940 and 2025 was 27 February 1971, with 21.3 cm.
Are there tropical nights in Trostyanets'?
Yes: Trostyanets' has on average 3 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Trostyanets'?
In Trostyanets', between 1940 and 2025, the highest apparent temperature reached 39.6 °C on 9 August 2010, and the lowest was -42.1 °C on 22 January 1942.
Compare Trostyanets' with another city
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Nearby cities
The climate around Trostyanets'