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May Weather in Semnice, Czech Republic

Last updated: August 23, 2025

In Semnice, Czech Republic, the average temperature in May is a cool 11°C (53°F). Expect a range that can dip to a brisk -3°C (28°F) at its lowest and soar to a warm 27°C (82°F) at its peak. With 85 mm (3.3 in) of precipitation spread over 16 days, and an average humidity of 71%, be prepared for a mix of refreshing rain and comfortable, cool days.

May Temperature in Semnice

In May in Semnice, the average temperature is 11°C (53°F), with maximums reaching up to 27°C (82°F) and minimums plummeting as low as -3°C (28°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

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

The chart illustrates May 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, May typically has an average temperature of 11°C (53°F), with highs reaching up to 27°C (82°F) and lows dropping to around -3°C (28°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.

May Precipitation in Semnice

In Semnice in May, the precipitation amount is 85 mm (3.3 in), occurring over the course of 16 days.

May Precipitation Trends in Semnice

The chart displays monthly precipitation patterns in Semnice, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Semnice, May typically receives around 85 mm (3.3 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec565261408581809160603767
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Semnice

In Semnice in May humidity is 71%. With an average temperature of 11°C (53°F), this humidity feels like a damp chill that wraps around you, making outdoor activities less enjoyable and requiring extra layers to stay comfortable while exploring.

May Average Humidity in Semnice

This chart illustrates the average monthly humidity levels in Semnice, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Semnice is approximately 71%, 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 May generated using information from the Copernicus Climate Change Service.

May UV Index in Semnice

In Semnice in May, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Semnice.

Maximum UV Index Levels in Semnice for May

The chart shows the monthly maximum UV Index (UVI) for Semnice in May, 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 May, the maximum UV index in Semnice typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235688876421
Data source: Semnice May 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 May 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 May’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 May’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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