Karlštejn
Karlštejn, Czech Republic
Karlštejn is a Gothic architecture castle commissioned by Charles IV and designed by Matthias of Arras and Josef Mocker. Located at an elevation of 298 m, it is a national cultural monument of the Czech Republic and a Tentative World Heritage Site. It is the 17th most looked-up sight in the country on English Wikipedia.
Planning a visit
The castle is 23 km from Prague and is approximately 19 km from Václav Havel Airport Prague. A visit can be combined with other nearby locations such as Prague Castle, Vyšehrad, Petřín Lookout Tower, the Dancing House, or the Memorial to the Victims of Communism. The site is open from 9:00 to 17:00, Monday to Sunday, and there is a fee for entry. In 2022, the castle had about 157,000 visitors.
For weather, July and August are the warmest months, with daily highs of 23 °C and lows of 14 °C. These months are also the wettest, with July seeing about 86 mm of rain and August about 76 mm. The coolest time to visit is in January, when the daily high is 2 °C and the low is -4 °C. April and May are also options, with highs of 13 °C and 18 °C, though May sees about 67 mm of rain.
Weather by month
The warmest month is July, with an average high of 23 °C. The wettest is July, with about 86 mm of rain.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high, °C | 2 | 4 | 8 | 13 | 18 | 21 | 23 | 23 | 18 | 13 | 7 | 3 |
| Average low, °C | -4 | -3 | 0 | 3 | 8 | 11 | 14 | 14 | 10 | 6 | 1 | -2 |
| Rainfall, mm | 28 | 25 | 36 | 30 | 67 | 70 | 86 | 76 | 44 | 34 | 36 | 33 |
| Rainy days | 12 | 9 | 9 | 9 | 14 | 15 | 14 | 11 | 9 | 10 | 9 | 11 |
Temperatures and rainfall: 1981–2010 averages for this spot (4 km grid), from CHELSA. Rainy days: 2015–2024, NASA POWER.
