Prostějov climate — normals and trends
Prostějov (Czechia) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 8.5 °C and it receives 665 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 (18.5 °C on average) and the coldest is January (-2.3 °C). Rainfall peaks in July.
Prostějov averages 101 frost days, 5 hot days (≥ 30 °C) and 123 rainy days per year.
Prostějov has warmed by +2.5 °C between 1940 and 2025, or +0.30 °C per decade. This trend is statistically significant.
The number of frost days there went from about 121 to 81 per year over the period.
The hottest day of the period reached 36.9 °C (on 27 July 1983) and the coldest -28.4 °C (on 29 December 1996).
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
ProstějovOlomouc Region
- coords
- 49.47°, 17.11°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
8.5°C
Average daily high
12.4°C
Average daily low
4.7°C
Annual rainfall
665mm
Sunshine / day
7.6h
Mean relative humidity
77%
Average peak wind
16.3km/h
Seasonal range
20.8°C
Frost days (< 0 °C)
101 d/yr
Hot days (≥ 30 °C)
5 d/yr
Rainy days (≥ 1 mm)
123 d/yr
Annual snowfall
56.6 cm
Average feels-like high
10.0 °C
Average feels-like low
1.9 °C
Average peak gust
33.6 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
11.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.5 °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
36.9 °C
27 July 1983
Coldest day
-28.4 °C
29 December 1996
Wettest day
75 mm
19 July 1949
Windiest day
45.2 km/h
19 October 1941
Strongest gust
104.4 km/h
19 January 2007
Hottest feels-like
38.7 °C
5 July 1957
Coldest feels-like
-33.5 °C
7 January 1985
Snowiest day
14.7 cm
11 February 1953
Sunniest day
15.9 h
2 July 2025
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 | 3.0 °C | +2.9 °C | 27 mm | -7 mm |
| Feb | 3.4 °C | +1.0 °C | 11 mm | -24 mm |
| Mar | 11.7 °C | +4.4 °C | 48 mm | +8 mm |
| Apr | 16.0 °C | +2.8 °C | 29 mm | -19 mm |
| May | 16.7 °C | -1.2 °C | 35 mm | -41 mm |
| Jun | 24.4 °C | +3.1 °C | 64 mm | -22 mm |
| Jul | 23.9 °C | +0.5 °C | 135 mm | +46 mm |
| Aug | 24.7 °C | +1.4 °C | 49 mm | -25 mm |
| Sep | 19.5 °C | +0.7 °C | 131 mm | +72 mm |
| Oct | 12.2 °C | -0.7 °C | 29 mm | -12 mm |
| Nov | 6.1 °C | -0.1 °C | 67 mm | +22 mm |
| Dec | 3.1 °C | +1.3 °C | 21 mm | -18 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 Prostějov?
Prostějov has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 8.5 °C and it receives 665 mm of precipitation per year.
What is the hottest day ever recorded in Prostějov?
The hottest day measured in Prostějov between 1940 and 2025 was 27 July 1983, reaching 36.9 °C.
What is the coldest day in Prostějov?
The coldest day measured in Prostějov between 1940 and 2025 was 29 December 1996, at -28.4 °C.
Does it snow in Prostějov?
Yes. Prostějov gets on average 56.6 cm of snow per year and has around 101 frost days.
Has the climate of Prostějov warmed?
Yes: Prostějov warmed by +2.5 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Prostějov?
The wettest day measured in Prostějov between 1940 and 2025 was 19 July 1949, with 75 mm of rain in 24 hours.
What was the windiest day in Prostějov?
The windiest day measured in Prostějov between 1940 and 2025 was 19 October 1941, with winds reaching 45.2 km/h.
What is the warmest month in Prostějov?
The warmest month in Prostějov is July (18.5 °C on average); the coldest is January (-2.3 °C).
How much does it rain in Prostějov?
Prostějov receives on average 665 mm of precipitation per year, spread over about 123 rainy days.
Is it sunny in Prostějov?
Prostějov 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 Prostějov?
The heaviest 24-hour snowfall measured in Prostějov between 1940 and 2025 was 11 February 1953, with 14.7 cm.
Are there tropical nights in Prostějov?
Yes: Prostějov has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Prostějov?
In Prostějov, between 1940 and 2025, the highest apparent temperature reached 38.7 °C on 5 July 1957, and the lowest was -33.5 °C on 7 January 1985.
Compare Prostějov with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Prostějov