Karlštejn Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Karlštejn.
Climate overview of Karlštejn
Temperatures in Karlštejn, Central Bohemia, Czech Republic, vary greatly throughout the year. August is the hottest month at 25°C (77°F), while January is the coldest at 3°C (37°F).
Karlštejn sees a moderate amount of rain/snowfall, totalling around 719 mm (28 in) per year. It experiences warm summers and cold winters, creating some seasonal variation. The sunniest month is July, with 7.5 hours of sunshine per day on average.
Karlštejn Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Karlštejn - and find the best time to visit.
Monthly Temperature in Karlštejn
The climate in Karlštejn is known for significant temperature differences throughout the year, making the weather dynamic. Average maximum daytime temperatures range from a comfortable 25°C (77°F) in August, the warmest time of the year, to a chilly 3°C (37°F) during cooler months like January.
At night, you can expect temperatures ranging from 14°C (57°F) in August to around -3°C (27°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Karlštejn
Generally, Karlštejn receives mid-range precipitation levels, with 719 mm (28 in) annually. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, July it receives moderate rainfall, averaging 90 mm (3.5 in) of precipitation, recorded across 14 rainy days. In contrast, the driest month February brings less snow/rainfall, with 41 mm (1.6 in) over 13 snowy/rainy days. For more details, please visit our Karlštejn Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Karlštejn
Seasonal changes in sunshine hours are quite dramatic in Karlštejn. While July receives considerable daily sunshine with up to 7.5 hours, December marks the darkest time of the year, where sunshine is scarce with only 1.6 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Karlštejn by Month
The relative humidity is high throughout the year in Karlštejn.
The city experiences its highest humidity in December, reaching 87%. In April, the humidity drops to its lowest level at 68%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Wind Speed in Karlštejn
The average wind speed over the year ranges from 4 m/s (8 knots) to 5 m/s (10 knots). It is lower in January, February, April, May, June, July, August, September, October, November and December and higher in March. What does this mean?
The mean monthly wind speed over the year (meters per second)
Best Time to Visit Karlštejn
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May, June, July, August and September
- Warmest weather: July and August
- Most sunshine: June and July
- Seasonal pattern: Warm summers and cold winters
- Coldest conditions: January, with freezing nights around -3°C (27°F).
Frequently asked questions about the climate in Karlštejn
What is the best time to visit Karlštejn?
May, June, July, August and September typically offer the most optimal weather in Karlštejn. In contrast, January, February, March, November and December tend to have less optimal conditions. Karlštejn has warm summers and cold winters.
What temperatures can I expect in Karlštejn?
Daytime highs range from 3°C (37°F) in January to 25°C (77°F) in August. Nighttime lows range from -3°C (27°F) to 14°C (57°F). Temperatures vary considerably through the year.
How much rain does Karlštejn get?
Annual rainfall is around 719 mm (28 in). July is the wettest month with 90 mm (3.5 in), while February is the driest with 41 mm (1.6 in).
How sunny is Karlštejn?
Karlštejn receives around 1,672 hours of sunshine per year. July is the sunniest month with 226 hours, while December is the cloudiest with just 47 hours.
Karlštejn 3-Day Forecast
Karlštejn on the map
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