Český Krumlov (Krumlov) weather by month
The best time to visit Český Krumlov (Krumlov) is June to August — 90/100 in August, 25°C and 14 rainy days. The best season is summer, June to August (88/100 on average).
The worst month is January at 44/100 — freezing, a little rain, clean air. See January →
Updated September 2026 · climate normals from ERA5 reanalysis
Planning the wider trip? Best time to visit Czechia →
Best season: June to August (88/100 on average) · worst January (44/100)
- Days
- 25°C
- Nights
- 14°C
- Wet days
- 14
- Sun
- 10 h
- Humidity
- 75%
- Daylight
- 14 h
Český Krumlov, month by month
Comfort score out of 100 for the kind of trip Český Krumlov is best for, the average high, rainy days and hours of sun a day from the climate normals, and how busy it tends to be.
What's on in Český Krumlov through the year
Festivals, natural spectacles, holidays and the seasons to watch out for — curated and sourced. The month pages carry the detail.
- March
- Easter3–6 AprHoliday
- April
- Day-tripper hours1 Apr – 31 Oct (usually)Season
- May
- Vltava paddling season1 May – 20 Sep (usually)Season
- June
- Five-Petalled Rose Festival14–26 Jun (usually)Festival
- July
- Festival Krumlov15 Jul – 10 Aug (usually)Festival
- November
- Advent in the old town28 Nov – 1 Jan (usually)Festival
- Castle interiors close1 Nov – 31 Mar (usually)Closure
Crowds in Český Krumlov in August
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Peak crowdsDay-tripper hours, Summer holidays in Czechia, school holidays in 7 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Good to know before you go to Český Krumlov
Real experiences from travellers' own write-ups, quoted with a link to the original.
Visas & entry
A guide to avoiding the day-tripper crush in Cesky Krumlov recommends visiting before 9am or after 5pm, since buses from Prague dump crowds into the town through the middle of the day, and the castle tower especially sees lines build fast by midday. Their strongest advice was to stay at least one night rather than day-trip it, since having the town largely to yourself at dawn or after the last tour bus leaves is genuinely a different experience from the crowded afternoon version most visitors see, and comfortable shoes matter given the cobblestones and the climb up to the castle.
Traveller notes on Český Krumlov
What people who have been say about the place — the year-round notes first, then month by month.
Forum posters are candid that January and February aren't for everyone, describing the cold as genuinely annoying if you don't enjoy it, with recurring forum threads literally titled asking whether visiting in January is a mistake. Posters note real seasonal closures - castle interiors and the theater shut for winter, though the courtyards stay accessible and the tower remains open in the off season. Posters who do visit in winter describe a real payoff: the town without tourist crowds, with one enthusiastic visitor specifically praising the evening views from the castle vantage point as stunning. Posters generally confirm shuttle transport around the town itself stays reliable even in mid-January conditions. Posters generally rate January as cold and closure-limited but genuinely rewarding for visitors who prioritize a crowd-free experience over convenience.
July is peak season in Český Krumlov, and the forum's advice is entirely about the shape of the day rather than the month: day-trippers from Prague and elsewhere arrive around 11am and leave about 4pm, so the town is jammed in the middle and much quieter either side of it. Their two fixes are really the same fix — be at the castle ticket office before 9am, and stay the night, because the place is described as magical once the coaches have gone. On weather, July averages 24°C but is genuinely wet: sixteen rain-days, the sort of month where an evening indoors is no hardship.
Add your own note from Český Krumlov's card on the map.