Čáslav climate — normals and trends
Čáslav (Czechia) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 8.8 °C and it receives 712 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 (18.4 °C on average) and the coldest is January (-1.4 °C). Rainfall peaks in July.
Čáslav averages 89 frost days, 5 hot days (≥ 30 °C) and 136 rainy days per year.
Čáslav has warmed by +2.6 °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 109 to 69 per year over the period.
The hottest day of the period reached 36.8 °C (on 27 July 1983) and the coldest -30.8 °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
ČáslavCentral Bohemia
- coords
- 49.91°, 15.39°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
8.8°C
Average daily high
12.6°C
Average daily low
5.1°C
Annual rainfall
712mm
Sunshine / day
7.8h
Mean relative humidity
77%
Average peak wind
16.0km/h
Seasonal range
19.8°C
Frost days (< 0 °C)
89 d/yr
Hot days (≥ 30 °C)
5 d/yr
Rainy days (≥ 1 mm)
136 d/yr
Annual snowfall
55.4 cm
Average feels-like high
10.2 °C
Average feels-like low
2.3 °C
Average peak gust
32.9 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
11.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.6 °C
since 1940
+0.3 °C per decade · r² = 0.54 · 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
36.8 °C
27 July 1983
Coldest day
-30.8 °C
10 February 1956
Wettest day
59 mm
3 August 1983
Windiest day
49.6 km/h
17 February 2022
Strongest gust
120.6 km/h
19 January 2007
Hottest feels-like
38.7 °C
5 July 1957
Coldest feels-like
-35.9 °C
10 February 1956
Snowiest day
15.0 cm
26 November 1969
Sunniest day
16.0 h
28 June 2005
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 | 3.7 °C | +2.8 °C | 43 mm | -0 mm |
| Feb | 3.9 °C | +1.0 °C | 12 mm | -29 mm |
| Mar | 11.8 °C | +4.2 °C | 38 mm | -10 mm |
| Apr | 16.5 °C | +3.3 °C | 45 mm | -8 mm |
| May | 17.3 °C | -0.6 °C | 46 mm | -31 mm |
| Jun | 24.4 °C | +3.1 °C | 79 mm | -3 mm |
| Jul | 24.3 °C | +1.1 °C | 90 mm | +1 mm |
| Aug | 25.1 °C | +2.0 °C | 70 mm | -11 mm |
| Sep | 20.0 °C | +1.2 °C | 92 mm | +34 mm |
| Oct | 12.4 °C | -0.6 °C | 44 mm | -0 mm |
| Nov | 6.7 °C | +0.2 °C | 56 mm | +7 mm |
| Dec | 4.1 °C | +1.6 °C | 22 mm | -26 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 Čáslav?
Čáslav has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 8.8 °C and it receives 712 mm of precipitation per year.
What is the hottest day ever recorded in Čáslav?
The hottest day measured in Čáslav between 1940 and 2025 was 27 July 1983, reaching 36.8 °C.
What is the coldest day in Čáslav?
The coldest day measured in Čáslav between 1940 and 2025 was 10 February 1956, at -30.8 °C.
Does it snow in Čáslav?
Yes. Čáslav gets on average 55.4 cm of snow per year and has around 89 frost days.
Has the climate of Čáslav warmed?
Yes: Čáslav warmed by +2.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Čáslav?
The wettest day measured in Čáslav between 1940 and 2025 was 3 August 1983, with 59 mm of rain in 24 hours.
What was the windiest day in Čáslav?
The windiest day measured in Čáslav between 1940 and 2025 was 17 February 2022, with winds reaching 49.6 km/h.
What is the warmest month in Čáslav?
The warmest month in Čáslav is July (18.4 °C on average); the coldest is January (-1.4 °C).
How much does it rain in Čáslav?
Čáslav receives on average 712 mm of precipitation per year, spread over about 136 rainy days.
Is it sunny in Čáslav?
Čáslav gets on average 7.8 hours of sunshine per day, roughly 2,847 hours per year over 1940-2025.
What is the biggest single-day snowfall in Čáslav?
The heaviest 24-hour snowfall measured in Čáslav between 1940 and 2025 was 26 November 1969, with 15.0 cm.
Are there tropical nights in Čáslav?
Yes: Čáslav has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Čáslav?
In Čáslav, between 1940 and 2025, the highest apparent temperature reached 38.7 °C on 5 July 1957, and the lowest was -35.9 °C on 10 February 1956.
Compare Čáslav with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Čáslav