With a population of around 10,000, Caslav sits in Central Bohemia, Czechia. The city operates in the Europe/Prague time zone.
In 2025, Caslav recorded an average annual temperature of 50°F. The hottest temperatures reached 92°F in August; the coolest were 15°F in February. Total precipitation for the year was 23 inches, with the wettest month being September. Snowfall for the year totaled approximately 4 inches.
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