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Town in South Bohemia, Czech Republic

Český Krumlov weather by month and the best time to visit

Updated October 2026Sources
May–Jun, Sep–OctBest time to visit

When to go to Český Krumlov

May–Jun and Sep–Oct are mild and calmer. Jul–Aug is crowded and hot; Dec has a market. Winter is cold and quiet, with some places closed.

Český Krumlov weather by month

Average daily high, rainfall and conditions.

PleasantHotRainyCool or coldBest months
-10°0°10°20°30°JFMAMJJASOND
Average highAverage lowRainfall

Monthly averages

MonthHighLowRainHumidityConditions
January1°C33°F-6°C22°F46 mm93%Freezing
February3°C37°F-5°C23°F34 mm89%Freezing
March8°C46°F-2°C29°F46 mm82%Cold
April14°C58°F3°C37°F41 mm76%Cool
May19°C65°F8°C46°F81 mm74%Pleasant
June23°C73°F12°C54°F94 mm71%Pleasant
July25°C77°F14°C57°F94 mm68%Pleasant
August25°C76°F13°C56°F92 mm69%Pleasant
September19°C67°F8°C47°F61 mm75%Pleasant
October13°C56°F4°C39°F47 mm83%Cool
November7°C44°F0°C32°F39 mm90%Cold
December2°C36°F-4°C25°F39 mm92%Freezing

Best months across Czech Republic

PlaceBest monthsWarmest month
PragueApr–May, Sep–OctJul (27°C)
Český KrumlovMay–Jun, Sep–OctJul (25°C)
Karlovy VaryMay–Jun, SepJul (26°C)
BrnoMay–Jun, Sep–OctJul (28°C)

Quick answers

What is the best month to visit Český Krumlov?

May–Jun, Sep–Oct. May–Jun and Sep–Oct are mild and calmer. Jul–Aug is crowded and hot; Dec has a market. Winter is cold and quiet, with some places closed.

When is the rainy season in Český Krumlov?

Rain peaks in June with about 94 mm. No month averages 150 mm or more.

What is the hottest month in Český Krumlov?

July, with average highs of 25°C (77°F).

How cold does Český Krumlov get?

The coolest nights are in January, averaging -6°C (22°F).

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Sources

Climate averages are modelled from NASA POWER (MERRA-2) for 2001–2020 at about 50 km resolution, so coasts and valleys can differ a little. Compiled and reviewed by SoloSquare. How we compile and score this. Spotted something out of date? Tell us.