nomadseason

April Weather in Mersch, Luxembourg

Last updated: August 23, 2025

In Mersch, Luxembourg, the average temperature in April hovers around 9°C (49°F), offering a cool ambiance. Daytime highs can reach up to 26°C (79°F), while nighttime lows dip to a chilly -3°C (27°F). Expect 41 mm (1.6 in) of precipitation over roughly 10 days, contributing to a notable average humidity of 84%. It's a month that beautifully balances warmth and coolness amidst the refreshing rain!

April Temperature in Mersch

In April in Mersch, the average temperature is 9°C (49°F). Maximums can reach 26°C (79°F) and minimums can be as low as -3°C (27°F). This variation in temperature makes it essential to pack layers for your travels to Mersch.

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

The chart illustrates April temperature patterns in Mersch, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mersch, April typically has an average temperature of 9°C (49°F), with highs reaching up to 26°C (79°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec353842485563656558514238
Data source: Temperature data for Mersch generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Mersch

In Mersch in April, the precipitation amount is 41 mm (1.6 in) spread over 10 days.

April Precipitation Trends in Mersch

The chart displays monthly precipitation patterns in Mersch, 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 Mersch, April typically receives around 41 mm (1.6 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec7276834174777366648069122
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

April Humidity in Mersch

In Mersch in April, humidity is 84%. With an average temperature of 9°C (49°F), this humidity feels like a chilly embrace, making travel uncomfortable as the dampness seeps into your clothes and lingers in the air, leaving you feeling cool yet clammy.

April Average Humidity in Mersch

This chart illustrates the average monthly humidity levels in Mersch, 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 Mersch is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%90%88%84%81%82%82%80%83%89%91%93%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Mersch

In Mersch 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 Mersch, you can refer to this Hourly UV Index in Mersch.

Maximum UV Index Levels in Mersch for April

The chart shows the monthly maximum UV Index (UVI) for Mersch 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 Mersch typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234689886421
Data source: Mersch 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 Mersch Compares to Other Months

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

This table compares monthly weather conditions in Mersch, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (36°F)72 mm (2.8 inches)91%low
February Weather3°C (38°F)75 mm (3.0 inches)90%moderate
March Weather6°C (43°F)83 mm (3.2 inches)88%moderate
April Weather9°C (49°F)41 mm (1.6 inches)84%high
May Weather13°C (55°F)74 mm (2.9 inches)81%very high
June Weather17°C (64°F)77 mm (3.0 inches)82%very high
July Weather18°C (65°F)73 mm (2.9 inches)82%very high
August Weather18°C (65°F)66 mm (2.6 inches)80%very high
September Weather14°C (58°F)64 mm (2.5 inches)83%high
October Weather10°C (51°F)80 mm (3.2 inches)89%moderate
November Weather5°C (42°F)69 mm (2.7 inches)91%low
December Weather4°C (39°F)122 mm (4.8 inches)93%low

Compare Mersch's Climate with Cities Worldwide