Mersch, Luxembourg Weather

Mersch,  Weather
(Photo by GukHwa Jang on Unsplash)

Current conditions

Updated:
5°C
41.0°F
°C °F

Condition: Drizzle

Pressure: 978 hPa

Feel like: 2 °C

Temperature: 5°C

Cloud: 100%

Humidity: 96%

Wind: SSW - 18 km/h

Visibility: 12.62 km

Weather forecast

Wed
21 Jan
1°C / 6°C
Overcast
Thu
22 Jan
3°C / 4°C
Overcast
Fri
23 Jan
1°C / 3°C
Overcast
Sat
24 Jan
0°C / 3°C
Drizzle
Sun
25 Jan
-1°C / 3°C
Overcast
Hourly forecast today:
13:00 PM
5° /
5° /
Drizzle
96% 44 km/h
14:00 PM
5° /
5° /
Drizzle
96% 43 km/h
15:00 PM
4° /
4° /
Drizzle
95% 43 km/h
16:00 PM
4° /
4° /
Drizzle
94% 42 km/h
17:00 PM
4° /
4° /
Drizzle
93% 41 km/h
18:00 PM
4° /
4° /
Drizzle
93% 39 km/h
19:00 PM
4° /
4° /
Overcast
94% 36 km/h
20:00 PM
4° /
4° /
Overcast
94% 32 km/h
21:00 PM
4° /
4° /
Overcast
95% 28 km/h
22:00 PM
4° /
4° /
Overcast
96% 23 km/h
23:00 PM
4° /
4° /
Overcast
97% 20 km/h

30 Day Averages and Extremes

  • Average high 3.17°C
  • Average low -1.07°C
  • Hottest day 8°C (13 January 2026)
  • Coldest day -7°C (03 January 2026)
  • Average humidity 88.73%
  • Days with precipitation 24 days
  • Highest precipitation 99 mm (08 January 2026)

Yesterday's Data

  • Max: 7°C
  • Min: 3°C
  • Total Precipitation: 2 mm

Temperature and possibility of rain in Mersch over the next 12 hours

Temperature and possibility of rain in Mersch in the coming days

Rainfall in Mersch in the coming days

Mersch Climate Summary

Mersch features a Marine west coast, warm summer (Köppen classification: Cfb), with an average annual temperature of 9.75ºC (49.55ºF), which is about -0.31% lower than the national average for Luxembourg. Annually, the city experiences approximately 110.14 millimeters (4.34 inches) of rainfall, spread across 185.82 rainy days, accounting for 50.91% of the year.

Longitude 49.7528287
Latitude 6.1027786
Yearly high temperature 12.2ºC (53.96ºF)
Yearly low temperature 4.69ºC (40.44ºF)
Hottest month July 21.57ºC (70.83ºF)
Coldest month February -1.81ºC (28.74ºF)
Yearly precip 110.14mm (4.34in)
Days with rainfall 185.82 days (50.91%)
Driest month April (78.24%)
Wettest month December (92.16%)

Weather averages by month

Month High / Low (°C) Rain
January 2.28° / -1.83° 16.91 days
February 3.3° / -1.81° 13.91 days
March 8.16° / 0.81° 12.82 days
April 13.29° / 3.71° 12.27 days
May 15.94° / 6.16° 18.55 days
June 19.34° / 9.91° 18.82 days
July 21.57° / 11.63° 18.09 days
August 21.52° / 11.7° 18.0 days
September 17.74° / 8.65° 12.0 days
October 12.41° / 5.66° 13.36 days
November 7.1° / 2.09° 13.45 days
December 3.71° / -0.38° 17.64 days

Frequently asked questions

1. What is the hottest month in Mersch?

July has the highest average monthly temperature (daily mean of 21.57ºC) and February are the coolest (daily mean of -1.81ºC).

2. What should I wear in Mersch today?

For today's cold weather in Mersch, with temperatures ranging from 3ºC to 6ºC (37.4ºF to 42.8ºF), you should wear:
- Wool or thermal socks
- Warm jacket or medium-weight coat
- Layered clothing (such as a thermal shirt under a sweater)
- Closed-toe shoes or boots

Temperature

Early
0°C / 5°C
Morning
5°C / 6°C
Afternoon
4°C / 5°C
Evening
4°C / 5°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 0
  • CO 0
  • NH3 0
  • NO2 0
  • O3 0
  • PM10 0
  • PM25 0
  • SO2 0
  • CH4 0

Sunrise / Sunset

07:21
16:12