Luxembourg Weather & Climate 2026

Cfb Oceanic

Monthly climate averages for Luxembourg. Based on 10-year ERA5 reanalysis data.

January February March April May June July August September October November December

Climate Overview

Luxembourg experiences average highs of 15°C (59°F) and lows of 7°C (45°F) throughout the year. Rainfall is moderate, averaging about 12 rainy days per month. Average highs have warmed by 1.3°C (2.3°F) across the available records.

Drier season: Feb–Sep Wetter season: Jan–Dec

At-a-Glance Climate Summary

Jan 1/10 Feb 2.9/10 Mar 4/10 Apr 5.1/10 May 7/10 Jun 8/10 Jul 8.2/10 Aug 8.6/10 Sep 6.9/10 Oct 5/10 Nov 2.6/10 Dec 1.9/10

Key figures

Climate Score
5.1/10
Best: May, June, July, August, September
UV Index
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Low
Temperature 15°C / 7°C
Feels Like 13°C / 5°C
Rainy Days 12
Rainfall 81 mm
Sunshine 8 h
Humidity 78%
Wind Speed 18 km/h
Dew Point 7°C
Snow Days 3 days
Frost Days 7 days
Best Time to Visit
JFMAMJJASOND
Recommended
Hottest Month
24°C
August
Avg Low14°C
Rain12days
Coldest Month
1°C
January
Avg High5°C
Rain13days
Driest Month
10days
July
Avg High24°C
Avg Low14°C
Windiest Month
22 km/h
February (Gusts 45)

Worst Time to Visit

Consider avoiding January, February, November, December due to very cold temperatures, frequent rain.

LIVE Current Weather Local Time
LIVE Air Quality
Sun Position
Sunrise 05:29
Daylight 16.3h
Sunset 21:45

Showing the live 14-day forecast for Luxembourg, not a single forecast for all of Luxembourg.

14-Day Forecast

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City forecasts

14-day forecasts for major cities in Luxembourg

Weather changes by city, coast, elevation, and region. Use these live previews for populated places in Luxembourg, then open a city page for the full forecast.

Luxembourg

Population: 76.7K

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Esch-sur-Alzette

Population: 36.6K

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Dudelange

Population: 18K

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Bonnevoie-Sud

Population: 13.4K

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Belair

Population: 13K

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Limpertsberg

Population: 11.5K

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Seasonal Breakdown

Spring
Mar–May
Avg High 15°C
Avg Low 5°C
Rain 11 days/mo
1/3 best months
Summer
Jun–Aug
Avg High 24°C
Avg Low 14°C
Rain 11 days/mo
3/3 best months
Autumn
Sep–Nov
Avg High 15°C
Avg Low 8°C
Rain 13 days/mo
1/3 best months
Winter
Dec–Feb
Avg High 6°C
Avg Low 2°C
Rain 13 days/mo

Based on historical averages (2016–2025)

Monthly Temperatures

36°C 30°C 24°C 18°C 12°C 6°C 0°C -6°C -12°C JanFebMarAprMayJunJulAugSepOctNovDec
HighLowShaded bands show the typical range across the available yearly records.

Monthly Rainfall

0 mm 20 mm 40 mm 60 mm 80 mm 100 mm 120 mm JanFebMarAprMayJunJulAugSepOctNovDec
Rainfall

Monthly Humidity

0% 25% 50% 75% 100% JanFebMarAprMayJunJulAugSepOctNovDec
Humidity

Monthly Wind Speed

0 15 30 45 60 JanFebMarAprMayJunJulAugSepOctNovDec
Wind SpeedGusts

Sunshine

0 3 6 9 12 15 JanFebMarAprMayJunJulAugSepOctNovDec
Sunshine

Monthly Daylight Hours

18h 16h 14h 12h 10h 8h JanFebMarAprMayJunJulAugSepOctNovDec
Daylight12h reference

Monthly Dew Point & Comfort

28°C 24°C 20°C 16°C 12°C 8°C 4°C 0°C -4°C JanFebMarAprMayJunJulAugSepOctNovDec
Dew Point Dry Comfortable Humid Muggy Oppressive

Snow Days

0 2 4 6 8 JanFebMarAprMayJunJulAugSepOctNovDec
Snow DaysSnowfall

Month-by-Month Weather Table

January
Poor
Temp
5°C / 1°C
Feels Like
1°C / -3°C
Rain
13days (100 mm) Wet
Sun
3.6h Poor
Humidity
89% Very Muggy
Snow Days
6days
View Details
February
Poor
Temp
8°C / 2°C
Feels Like
4°C / -2°C
Rain
12days (80 mm) Wet
Sun
5.4h Fair
Humidity
83% Humid
Snow Days
2days
View Details
March
Poor
Temp
11°C / 3°C
Feels Like
8°C / -1°C
Rain
11days (67 mm) Wet
Sun
8.1h Good
Humidity
72% Muggy
Snow Days
1days
View Details
April
Fair
Temp
14°C / 5°C
Feels Like
11°C / 1°C
Rain
11days (62 mm) Wet
Sun
10.1h Excellent
Humidity
69% Muggy
Snow Days
1days
View Details
May best
Good
Temp
18°C / 9°C
Feels Like
16°C / 6°C
Rain
11days (70 mm) Wet
Sun
11.6h Excellent
Humidity
70% Muggy
View Details
June best
Excellent
Temp
23°C / 13°C
Feels Like
23°C / 12°C
Rain
12days (87 mm) Wet
Sun
12.1h Excellent
Humidity
70% Muggy
View Details
July best
Excellent
Temp
24°C / 14°C
Feels Like
23°C / 13°C
Rain
10days (81 mm) Wet
Sun
11.5h Excellent
Humidity
70% Muggy
View Details
August best
Excellent
Temp
24°C / 14°C
Feels Like
24°C / 14°C
Rain
12days (61 mm) Wet
Sun
11.1h Excellent
Humidity
71% Muggy
View Details
September best
Good
Temp
20°C / 11°C
Feels Like
19°C / 10°C
Rain
12days (92 mm) Wet
Sun
9.1h Good
Humidity
78% Humid
View Details
October
Fair
Temp
15°C / 8°C
Feels Like
13°C / 6°C
Rain
15days (113 mm) Wet
Sun
5.8h Fair
Humidity
86% Very Muggy
View Details
November
Poor
Temp
9°C / 4°C
Feels Like
6°C / 1°C
Rain
13days (73 mm) Wet
Sun
4.2h Fair
Humidity
90% Very Muggy
Snow Days
2days
View Details
December
Poor
Temp
6°C / 2°C
Feels Like
3°C / -1°C
Rain
15days (86 mm) Wet
Sun
2.5h Poor
Humidity
91% Very Muggy
Snow Days
4days
View Details
Month Temp Feels Like Rain Sun Humidity Status
January 5°C / 1°C 1°C / -3°C 13days (100 mm) Wet 3.6h Poor 89% Very Muggy Poor View Details
February 8°C / 2°C 4°C / -2°C 12days (80 mm) Wet 5.4h Fair 83% Humid Poor View Details
March 11°C / 3°C 8°C / -1°C 11days (67 mm) Wet 8.1h Good 72% Muggy Poor View Details
April 14°C / 5°C 11°C / 1°C 11days (62 mm) Wet 10.1h Excellent 69% Muggy Fair View Details
May best 18°C / 9°C 16°C / 6°C 11days (70 mm) Wet 11.6h Excellent 70% Muggy Good View Details
June best 23°C / 13°C 23°C / 12°C 12days (87 mm) Wet 12.1h Excellent 70% Muggy Excellent View Details
July best 24°C / 14°C 23°C / 13°C 10days (81 mm) Wet 11.5h Excellent 70% Muggy Excellent View Details
August best 24°C / 14°C 24°C / 14°C 12days (61 mm) Wet 11.1h Excellent 71% Muggy Excellent View Details
September best 20°C / 11°C 19°C / 10°C 12days (92 mm) Wet 9.1h Good 78% Humid Good View Details
October 15°C / 8°C 13°C / 6°C 15days (113 mm) Wet 5.8h Fair 86% Very Muggy Fair View Details
November 9°C / 4°C 6°C / 1°C 13days (73 mm) Wet 4.2h Fair 90% Very Muggy Poor View Details
December 6°C / 2°C 3°C / -1°C 15days (86 mm) Wet 2.5h Poor 91% Very Muggy Poor View Details

Best Time to Visit Luxembourg (2026)

Frequently Asked Questions

The best months to visit Luxembourg are May, June, July, August, September, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Luxembourg, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Luxembourg is August, with average daytime highs of 24°C (76°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Luxembourg is January, with average overnight lows of 1°C (33°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Luxembourg is October, averaging 113mm of precipitation across 15 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Luxembourg runs through October, December, January, November, with the heaviest rainfall in October. Based on 10-year averages for Luxembourg.
Luxembourg receives approximately 95 sunshine hours per year. The sunniest month is June with around 12 hours. Based on climate data for Luxembourg.
The least favorable months to visit Luxembourg are January, February, November, December, primarily due to very cold temperatures, frequent rain. For the best conditions, consider May, June, July, August, September instead.
Average humidity in Luxembourg is 78%, classified as humid. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes, Luxembourg receives snow. Months with snowfall average 3 snow days and 4 cm (2 in) of accumulation, with about 7 frost days during winter.
Average wind speeds in Luxembourg are 18 km/h (11 mph). The windiest month is February with peak winds reaching 22 km/h (14 mph) (gusts up to 45 km/h / 28 mph).
Luxembourg averages 3 clear-sky days per month with overall cloud cover around 67%. The clearest skies occur in March.
The annual average dew point in Luxembourg is 7°C (45°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Luxembourg has a Oceanic climate, classified as Cfb under the Köppen system. Temperate climates have mild winters and warm summers, with rainfall spread across the year and four distinct seasons.
The 'feels like' temperature in Luxembourg ranges from 5°C (41°F) to 13°C (55°F) on average. The 'feels like' temperature closely matches the actual temperature throughout most of the year.
Yes, June is a great time to visit Luxembourg. It earns a climate score of 8/10 with Excellent.
For June in Luxembourg, pack Umbrella, Waterproof jacket, Sunscreen (SPF 30+), Sunglasses, Comfortable walking shoes. With average highs of 23°C (73°F) and 12 rainy days, these essentials will keep you comfortable.

Data Source

Climate data derived from ERA5 reanalysis (ECMWF), averaged over 2016–2025. Sea surface temperature from marine reanalysis data. Climate scores and seasonal estimates are computed by WorldStats.

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