Český Krumlov climate — normals and trends
Český Krumlov (Czechia) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 7.0 °C and it receives 876 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 (16.5 °C on average) and the coldest is January (-3.1 °C). Rainfall peaks in July.
Český Krumlov averages 119 frost days, 1 hot days (≥ 30 °C) and 154 rainy days per year.
Český Krumlov 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 140 to 98 per year over the period.
The hottest day of the period reached 34.2 °C (on 3 August 2013) and the coldest -30.2 °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
Český KrumlovSouth Bohemian Region
- coords
- 48.81°, 14.32°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
7.0°C
Average daily high
10.8°C
Average daily low
3.4°C
Annual rainfall
876mm
Sunshine / day
7.7h
Mean relative humidity
80%
Average peak wind
14.3km/h
Seasonal range
19.6°C
Frost days (< 0 °C)
119 d/yr
Hot days (≥ 30 °C)
1 d/yr
Rainy days (≥ 1 mm)
154 d/yr
Annual snowfall
115.1 cm
Average feels-like high
8.4 °C
Average feels-like low
0.6 °C
Average peak gust
34.6 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
11.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.3 °C
since 1940
+0.3 °C per decade · r² = 0.52 · 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
34.2 °C
3 August 2013
Coldest day
-30.2 °C
10 February 1956
Wettest day
92 mm
12 August 2002
Windiest day
44.9 km/h
19 January 2007
Strongest gust
132.1 km/h
19 January 2007
Hottest feels-like
36.0 °C
20 August 1943
Coldest feels-like
-35.3 °C
10 February 1956
Snowiest day
24.2 cm
28 October 1956
Sunniest day
15.9 h
13 June 2023
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 | 2.4 °C | +2.9 °C | 41 mm | -8 mm |
| Feb | 3.1 °C | +1.6 °C | 17 mm | -30 mm |
| Mar | 9.9 °C | +3.8 °C | 67 mm | +10 mm |
| Apr | 14.9 °C | +3.4 °C | 42 mm | -23 mm |
| May | 15.3 °C | -0.7 °C | 67 mm | -30 mm |
| Jun | 23.3 °C | +4.0 °C | 71 mm | -42 mm |
| Jul | 21.4 °C | +0.3 °C | 147 mm | +27 mm |
| Aug | 22.8 °C | +1.9 °C | 81 mm | -23 mm |
| Sep | 17.9 °C | +0.9 °C | 57 mm | -10 mm |
| Oct | 10.5 °C | -0.9 °C | 66 mm | +15 mm |
| Nov | 5.1 °C | +0.3 °C | 57 mm | +5 mm |
| Dec | 2.0 °C | +1.2 °C | 24 mm | -30 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 Český Krumlov?
Český Krumlov has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 7.0 °C and it receives 876 mm of precipitation per year.
What is the hottest day ever recorded in Český Krumlov?
The hottest day measured in Český Krumlov between 1940 and 2025 was 3 August 2013, reaching 34.2 °C.
What is the coldest day in Český Krumlov?
The coldest day measured in Český Krumlov between 1940 and 2025 was 10 February 1956, at -30.2 °C.
Does it snow in Český Krumlov?
Yes. Český Krumlov gets on average 115.1 cm of snow per year and has around 119 frost days.
Has the climate of Český Krumlov warmed?
Yes: Český Krumlov warmed by +2.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Český Krumlov?
The wettest day measured in Český Krumlov between 1940 and 2025 was 12 August 2002, with 92 mm of rain in 24 hours.
What was the windiest day in Český Krumlov?
The windiest day measured in Český Krumlov between 1940 and 2025 was 19 January 2007, with winds reaching 44.9 km/h.
What is the warmest month in Český Krumlov?
The warmest month in Český Krumlov is July (16.5 °C on average); the coldest is January (-3.1 °C).
How much does it rain in Český Krumlov?
Český Krumlov receives on average 876 mm of precipitation per year, spread over about 154 rainy days.
Is it sunny in Český Krumlov?
Český Krumlov 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 Český Krumlov?
The heaviest 24-hour snowfall measured in Český Krumlov between 1940 and 2025 was 28 October 1956, with 24.2 cm.
Are there tropical nights in Český Krumlov?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Český Krumlov.
What was the most extreme apparent temperature in Český Krumlov?
In Český Krumlov, between 1940 and 2025, the highest apparent temperature reached 36.0 °C on 20 August 1943, and the lowest was -35.3 °C on 10 February 1956.
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Nearby cities
The climate around Český Krumlov