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October Weather in Mersch, Luxembourg

Last updated: August 23, 2025

In October, the average temperature in Mersch, Luxembourg hovers around 10°C (51°F). Expect chilly mornings with a minimum of 0°C (33°F), while the afternoons can warm up to a pleasant 24°C (76°F). With 80 mm (3.2 in) of precipitation spread over 11 days, it’s advisable to keep an umbrella handy. The average humidity is a high 89%, making the air quite moist.

October Temperature in Mersch

In October in Mersch, the average temperature is 10°C (51°F). The maximum can reach 24°C (76°F), while the minimum can drop as low as 0°C (33°F). This range makes it an ideal time for travelers who enjoy mild weather and outdoor activities.

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

The chart illustrates October 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, October typically has an average temperature of 10°C (51°F), with highs reaching up to 24°C (76°F) and lows dropping to around 0°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec353842485563656558514238
Data source: Temperature data for Mersch 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.

October Precipitation in Mersch

In Mersch in October, the precipitation amount is 80 mm (3.2 in) spread over 11 days.

October Precipitation Trends in Mersch

The chart displays monthly precipitation patterns in Mersch, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Mersch, October typically receives around 80 mm (3.2 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec7276834174777366648069122
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Mersch

In Mersch in October humidity is 89%. With an average temperature of 10°C (51°F), this humidity feels like traveling through a thick fog, where the damp air clings to your skin, making the coolness feel even chillier and adding an element of discomfort to your adventures.

October Average Humidity in Mersch

This chart illustrates the average monthly humidity levels in Mersch, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Mersch is approximately 89%, 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 October generated using information from the Copernicus Climate Change Service.

October UV Index in Mersch

In Mersch in October, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Mersch for better planning.

Maximum UV Index Levels in Mersch for October

The chart shows the monthly maximum UV Index (UVI) for Mersch in October, 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 October, the maximum UV index in Mersch typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234689886421
Data source: Mersch October 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 October 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 October’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 October’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