Rokycany climate — normals and trends
Rokycany (Czechia) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 8.0 °C and it receives 637 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 (17.7 °C on average) and the coldest is January (-1.9 °C). Rainfall peaks in July.
Rokycany averages 101 frost days, 4 hot days (≥ 30 °C) and 132 rainy days per year.
Rokycany has warmed by +2.3 °C between 1940 and 2025, or +0.27 °C per decade. This trend is statistically significant.
The number of frost days there went from about 120 to 82 per year over the period.
The hottest day of the period reached 37.2 °C (on 13 August 2003) and the coldest -31.7 °C (on 10 February 1956).
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
RokycanyPlzeň Region
- coords
- 49.74°, 13.59°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
8.0°C
Average daily high
11.9°C
Average daily low
4.4°C
Annual rainfall
637mm
Sunshine / day
7.9h
Mean relative humidity
78%
Average peak wind
15.9km/h
Seasonal range
19.6°C
Frost days (< 0 °C)
101 d/yr
Hot days (≥ 30 °C)
4 d/yr
Rainy days (≥ 1 mm)
132 d/yr
Annual snowfall
57.8 cm
Average feels-like high
9.3 °C
Average feels-like low
1.5 °C
Average peak gust
34.2 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
11.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.3 °C
since 1940
+0.3 °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
37.2 °C
13 August 2003
Coldest day
-31.7 °C
10 February 1956
Wettest day
81 mm
3 August 1983
Windiest day
51.9 km/h
18 January 2007
Strongest gust
131.8 km/h
18 January 2007
Hottest feels-like
38.6 °C
20 August 1943
Coldest feels-like
-36.7 °C
10 February 1956
Snowiest day
20.0 cm
26 November 1969
Sunniest day
15.9 h
20 June 2025
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 | 3.5 °C | +3.1 °C | 49 mm | +12 mm |
| Feb | 3.2 °C | +0.9 °C | 17 mm | -20 mm |
| Mar | 10.8 °C | +3.6 °C | 27 mm | -17 mm |
| Apr | 15.9 °C | +3.5 °C | 38 mm | -11 mm |
| May | 17.2 °C | 0.0 °C | 50 mm | -19 mm |
| Jun | 24.6 °C | +4.0 °C | 43 mm | -35 mm |
| Jul | 23.4 °C | +0.9 °C | 93 mm | +15 mm |
| Aug | 24.8 °C | +2.4 °C | 43 mm | -27 mm |
| Sep | 19.3 °C | +1.1 °C | 75 mm | +24 mm |
| Oct | 11.9 °C | -0.4 °C | 43 mm | +1 mm |
| Nov | 5.7 °C | +0.1 °C | 45 mm | +4 mm |
| Dec | 3.4 °C | +1.6 °C | 14 mm | -28 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 Rokycany?
Rokycany has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 8.0 °C and it receives 637 mm of precipitation per year.
What is the hottest day ever recorded in Rokycany?
The hottest day measured in Rokycany between 1940 and 2025 was 13 August 2003, reaching 37.2 °C.
What is the coldest day in Rokycany?
The coldest day measured in Rokycany between 1940 and 2025 was 10 February 1956, at -31.7 °C.
Does it snow in Rokycany?
Yes. Rokycany gets on average 57.8 cm of snow per year and has around 101 frost days.
Has the climate of Rokycany warmed?
Yes: Rokycany warmed by +2.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Rokycany?
The wettest day measured in Rokycany between 1940 and 2025 was 3 August 1983, with 81 mm of rain in 24 hours.
What was the windiest day in Rokycany?
The windiest day measured in Rokycany between 1940 and 2025 was 18 January 2007, with winds reaching 51.9 km/h.
What is the warmest month in Rokycany?
The warmest month in Rokycany is July (17.7 °C on average); the coldest is January (-1.9 °C).
How much does it rain in Rokycany?
Rokycany receives on average 637 mm of precipitation per year, spread over about 132 rainy days.
Is it sunny in Rokycany?
Rokycany gets on average 7.9 hours of sunshine per day, roughly 2,884 hours per year over 1940-2025.
What is the biggest single-day snowfall in Rokycany?
The heaviest 24-hour snowfall measured in Rokycany between 1940 and 2025 was 26 November 1969, with 20.0 cm.
Are there tropical nights in Rokycany?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Rokycany.
What was the most extreme apparent temperature in Rokycany?
In Rokycany, between 1940 and 2025, the highest apparent temperature reached 38.6 °C on 20 August 1943, and the lowest was -36.7 °C on 10 February 1956.
Compare Rokycany with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Rokycany