April Weather in Ostrava

Last updated: March 2, 2024

The weather in Ostrava, Czech Republic, during April is characterized by an average temperature of 9°C (48°F). Highs can soar to 23°C (74°F), while lows may dip to -3°C (27°F). Typically, the humidity level in Ostrava throughout April hovers around 76%.

-3°C (27°F)

Minimum temperature

9°C (48°F)

Average temperature

23°C (74°F)

Maximum temperature

76%

Humidity

Precipitation and Sunshine hours

In April, Ostrava averages 60 mm (2.4 inches) of rainfall, typically over the course of 10 rainy days. The month enjoys an average of 13 hours 47 minutes of daylight, with the sun shining for approximately 10 hours 55 minutes each day. Additionally, there is a 34% probability of sunny days during this period.

60 mm (2.4 inches)

Precipitation

10 rainy days

Rainy days

10 hours 55 minutes

Sunshine hours

34%

Chance of sun

UV Index

In April, the UV Index in Ostrava reaches a maximum of 6, indicating a level of High exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 25 minutes.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
  07:00 08:00 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00
UVI 1 2 3 4 5 5 6 5 4 3 2 1 1
Exposure Low Moderate High Moderate Low
Time to burn 45 min 30 min 25 min 30 min 45 min

Compare Ostrava's Climate with Cities Worldwide