Mostyska climate — normals and trends
Mostyska (Ukraine) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 8.4 °C and it receives 733 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 (18.9 °C on average) and the coldest is January (-3.2 °C). Rainfall peaks in July.
Mostyska averages 102 frost days, 5 hot days (≥ 30 °C) and 140 rainy days per year.
Mostyska has warmed by +2.7 °C between 1940 and 2025, or +0.32 °C per decade. This trend is statistically significant.
The number of frost days there went from about 121 to 83 per year over the period.
The hottest day of the period reached 35.1 °C (on 22 August 1943) and the coldest -31.2 °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
MostyskaLviv Oblast
- coords
- 49.79°, 23.15°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
8.4°C
Average daily high
12.4°C
Average daily low
4.6°C
Annual rainfall
733mm
Sunshine / day
7.7h
Mean relative humidity
78%
Average peak wind
18.4km/h
Seasonal range
22.1°C
Frost days (< 0 °C)
102 d/yr
Hot days (≥ 30 °C)
5 d/yr
Rainy days (≥ 1 mm)
140 d/yr
Annual snowfall
80.9 cm
Average feels-like high
9.8 °C
Average feels-like low
1.5 °C
Average peak gust
34.6 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
11.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.7 °C
since 1940
+0.3 °C per decade · r² = 0.52 · 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
35.1 °C
22 August 1943
Coldest day
-31.2 °C
10 January 1940
Wettest day
69 mm
27 August 1966
Windiest day
53.6 km/h
4 December 1999
Strongest gust
104.8 km/h
19 January 2007
Hottest feels-like
38.5 °C
3 August 1998
Coldest feels-like
-36.8 °C
10 January 1940
Snowiest day
21.9 cm
19 April 1999
Sunniest day
15.0 h
24 May 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 | 6.4 °C | +7.0 °C | 39 mm | -2 mm |
| Feb | 2.9 °C | +1.7 °C | 13 mm | -31 mm |
| Mar | 12.8 °C | +6.5 °C | 51 mm | +4 mm |
| Apr | 16.1 °C | +2.6 °C | 71 mm | +15 mm |
| May | 15.8 °C | -2.8 °C | 78 mm | -1 mm |
| Jun | 24.5 °C | +2.7 °C | 49 mm | -39 mm |
| Jul | 25.4 °C | +1.8 °C | 118 mm | +24 mm |
| Aug | 25.0 °C | +1.6 °C | 48 mm | -26 mm |
| Sep | 21.4 °C | +2.4 °C | 67 mm | +4 mm |
| Oct | 12.4 °C | -1.0 °C | 43 mm | -8 mm |
| Nov | 8.8 °C | +2.2 °C | 76 mm | +27 mm |
| Dec | 5.0 °C | +3.4 °C | 24 mm | -25 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 Mostyska?
Mostyska has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 8.4 °C and it receives 733 mm of precipitation per year.
What is the hottest day ever recorded in Mostyska?
The hottest day measured in Mostyska between 1940 and 2025 was 22 August 1943, reaching 35.1 °C.
What is the coldest day in Mostyska?
The coldest day measured in Mostyska between 1940 and 2025 was 10 January 1940, at -31.2 °C.
Does it snow in Mostyska?
Yes. Mostyska gets on average 80.9 cm of snow per year and has around 102 frost days.
Has the climate of Mostyska warmed?
Yes: Mostyska warmed by +2.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Mostyska?
The wettest day measured in Mostyska between 1940 and 2025 was 27 August 1966, with 69 mm of rain in 24 hours.
What was the windiest day in Mostyska?
The windiest day measured in Mostyska between 1940 and 2025 was 4 December 1999, with winds reaching 53.6 km/h.
What is the warmest month in Mostyska?
The warmest month in Mostyska is July (18.9 °C on average); the coldest is January (-3.2 °C).
How much does it rain in Mostyska?
Mostyska receives on average 733 mm of precipitation per year, spread over about 140 rainy days.
Is it sunny in Mostyska?
Mostyska gets on average 7.7 hours of sunshine per day, roughly 2,811 hours per year over 1940-2025.
What is the biggest single-day snowfall in Mostyska?
The heaviest 24-hour snowfall measured in Mostyska between 1940 and 2025 was 19 April 1999, with 21.9 cm.
Are there tropical nights in Mostyska?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Mostyska.
What was the most extreme apparent temperature in Mostyska?
In Mostyska, between 1940 and 2025, the highest apparent temperature reached 38.5 °C on 3 August 1998, and the lowest was -36.8 °C on 10 January 1940.
Compare Mostyska with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Mostyska