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April Weather in Semnice, Czech Republic

Last updated: August 23, 2025

In Semnice, Czech Republic, the average temperature in April hovers around 7°C (45°F). Expect a chill in the air with minimum temperatures dropping to -7°C (20°F), while occasional warm spells can reach up to 24°C (76°F). Be prepared for some rainfall, with 40 mm (1.6 in) expected over 10 days. With an average humidity of 81%, it’s a month where layers and rain gear are your best friends!

April Temperature in Semnice

In April in Semnice, the average temperature is 7°C (45°F). Maximums can reach 24°C (76°F) and minimums can drop as low as -7°C (20°F). Be prepared for a wide range of temperatures if you're planning to travel during this time.

April Weather in Semnice: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Semnice, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Semnice, April typically has an average temperature of 7°C (45°F), with highs reaching up to 24°C (76°F) and lows dropping to around -7°C (20°F).
JanFebMarAprMayJunJulAugSepOctNovDec303237455262636455473833
Data source: Temperature data for Semnice generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Semnice

In Semnice in April, the precipitation amount is 40 mm (1.6 in) over a span of 10 days.

April Precipitation Trends in Semnice

The chart displays monthly precipitation patterns in Semnice, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Semnice, April typically receives around 40 mm (1.6 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec565261408581809160603767
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Semnice

In Semnice in April, humidity is 81%. With an average temperature of 7°C (45°F), this humidity feels like a damp chill wrapping around you, making outdoor adventures slightly uncomfortable and requiring extra layers to stay warm while exploring.

April Average Humidity in Semnice

This chart illustrates the average monthly humidity levels in Semnice, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Semnice is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%89%87%81%71%75%74%76%81%85%88%92%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Semnice

In Semnice in April, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Semnice, you can refer to this Hourly UV Index in Semnice.

Maximum UV Index Levels in Semnice for April

The chart shows the monthly maximum UV Index (UVI) for Semnice in April, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In April, the maximum UV index in Semnice typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235688876421
Data source: Semnice April UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How April Weather in Semnice Compares to Other Months

Weather in Semnice varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Semnice, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Semnice, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)56 mm (2.2 inches)90%low
February Weather0°C (32°F)52 mm (2.0 inches)89%moderate
March Weather3°C (37°F)61 mm (2.4 inches)87%moderate
April Weather7°C (45°F)40 mm (1.6 inches)81%high
May Weather11°C (53°F)85 mm (3.3 inches)71%very high
June Weather17°C (63°F)81 mm (3.2 inches)75%very high
July Weather17°C (63°F)80 mm (3.1 inches)74%very high
August Weather18°C (64°F)91 mm (3.6 inches)76%high
September Weather13°C (55°F)60 mm (2.4 inches)81%high
October Weather8°C (47°F)60 mm (2.4 inches)85%moderate
November Weather3°C (38°F)37 mm (1.4 inches)88%low
December Weather0°C (33°F)67 mm (2.7 inches)92%low

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