April weather forecast
Český Krumlov, Czech Republic

The city of Český Krumlov experiences a chain of alterations in the weather parameters in April. A significant increase in daylight hours up to 13.7 and upswing in temperature, particularly between 1°C (33.8°F) and 11°C (51.8°F), solidifies the arrival of spring. Simultaneously, the UV index takes a leap to 4 making sunblocks crucial. Rain takes a surge this month with rainfall hiking up to 59mm (2.32"), scattered across 14 days. Despite the seasonal showers, the weather in April is generally mild and pleasurable, ideal for outdoor activities.

Temperature

The transition to April introduces an increase in the average high-temperature, shifting from a chilly 6°C (42.8°F) in March to a fresh 11°C (51.8°F). Český Krumlov sees an average low-temperature of 1°C (33.8°F) during April.

Rainfall

In Český Krumlov, in April, during 14 rainfall days, 59mm (2.32") of precipitation is typically accumulated. In Český Krumlov, during the entire year, the rain falls for 174 days and collects up to 795mm (31.3") of precipitation.

Daylight

The average length of the day in April is 13h and 43min.
On the first day of the month, sunrise is at 06:39 and sunset at 19:33. On the last day of April, in Český Krumlov, Czech Republic, sunrise is at 05:42 and sunset at 20:16 CEST.

Sunshine

The average sunshine in April is 5h.

UV index

The average daily maximum UV index in April in Český Krumlov is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: The daily high UV index of 4 in April translates into this advice:
Be vigilant - A duty to shield skin and eyes from injury exists. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.