The best times to visit Luxembourg for ideal weather are

May 14th to September 23rd

based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.

 

 


Other Luxembourg Travel Info

Weather in Luxembourg

Temperature

Average temperatures in Luxembourg vary greatly. Considering humidity, temperatures feel cold for about half of the year and otherwise nice with a chance of rain or snow throughout most of the year. The area is less temperate than some — in the 29th percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Luxembourg, the hottest months are July, August, and then June. See average monthly temperatures below. The warmest time of year is generally mid July where highs are regularly around 75.8°F (24.3°C) with temperatures rarely dropping below 58.3°F (14.6°C) at night.

Luxembourg Temperatures (Fahrenheit)

Key
High
Average
Low

Luxembourg Temperatures (Celsius)

Key
High
Average
Low

“Feels-Like” Temperatures

The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.

Luxembourg Perceived Temperature (F)

Key
High
Average
Low

Luxembourg Perceived Temperature (C)

Key
High
Average
Low

 

Average Luxembourg Temperatures by Month

Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.

Show Fahrenheit

Month Avg. High (°F) Avg. Mean (°F) Avg. Low (°F)
Jan 39.2 35.2 30.8
Feb 40.8 35.6 30.6
Mar 50 42.5 35.8
Apr 60 51.3 42.7
May 65.1 56.4 47.9
Jun 70.9 62 53.4
Jul 74.6 65.4 56.8
Aug 73.2 64.3 56
Sep 65.4 57.3 50.1
Oct 56.5 49.8 43.8
Nov 46.8 42.5 38.1
Dec 40.3 36.3 31.9

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 4 1.8 -0.7
Feb 4.9 2 -0.8
Mar 10 5.8 2.1
Apr 15.6 10.7 5.9
May 18.4 13.6 8.8
Jun 21.6 16.7 11.9
Jul 23.7 18.6 13.8
Aug 22.9 17.9 13.3
Sep 18.6 14.1 10.1
Oct 13.6 9.9 6.6
Nov 8.2 5.8 3.4
Dec 4.6 2.4 -0.1

 


 

Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Luxembourg are October, September, and then March. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around late October. For example, on the week of October 22nd there is 1 day of precipitation on average. By contrast, it’s most likely to rain or snow in early December with an average of 3 days of significant precipitation the week of December 3rd.

When can you find snow in Luxembourg? Weather stations report a good amount of seasonal snow likely to be deepest around December, especially close to late December. The best time to ski (if at all) in Luxembourg is often around around December 17th when fresh powder is deepest. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.

Chance of Precipitation

The graph below shows the % chance of rainy and snowy days in Luxembourg.

Key
Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Luxembourg (in).

Key
Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 24% 2.2 2.5
Feb 22% 1.8 2
Mar 18% 1.9 1.9
Apr 19% 2.8 1.6
May 26% 0 2.4
Jun 25% 0 2.9
Jul 21% 0 2.5
Aug 19% 0 2.7
Sep 17% 0 2.2
Oct 15% 0 1.8
Nov 24% 1.1 2.5
Dec 30% 4.1 3.2

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 24 5.6 6.4
Feb 22 4.6 5.1
Mar 18 4.8 4.8
Apr 19 7.1 4.1
May 26 0 6.1
Jun 25 0 7.4
Jul 21 0 6.4
Aug 19 0 6.9
Sep 17 0 5.6
Oct 15 0 4.6
Nov 24 2.8 6.4
Dec 30 10.4 8.1

 

Humidity and Wind

Luxembourg has some extremely humid months, with other comfortably humid months. The least humid month is April (54.9% relative humidity), and the most humid month is December (87.9%).

Wind in Luxembourg is usually calm. The windiest month is March, followed by January and December. March’s average wind speed of around 7.8 knots (8.9 MPH or 14.4 KPH) is considered “a gentle breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in late February and early March where average top sustained speeds reach 14.4 knots, which is considered a moderate breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in Luxembourg.

Key
Avg. Relative Humidity

Wind

The graph below shows wind speed (max and average) in knots.

Key
Max Sustained Wind
Average Daily Wind

Average Wind Speeds

Show Wind Speeds

All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.

Month Avg. Wind Avg. Wind Feel Sustained High Wind High Wind Feel
Jan 7.4 Gentle breeze 12.6 Significant breeze
Feb 7.1 Gentle breeze 12 Significant breeze
Mar 7.8 Gentle breeze 13.1 Significant breeze
Apr 6.9 Light breeze 12.2 Significant breeze
May 6.7 Light breeze 12.1 Significant breeze
Jun 6.6 Light breeze 12 Significant breeze
Jul 6.4 Light breeze 12.4 Significant breeze
Aug 5.8 Light breeze 11.4 Significant breeze
Sep 6.3 Light breeze 11.1 Significant breeze
Oct 5.9 Light breeze 10.6 Gentle breeze
Nov 6.7 Light breeze 11.6 Significant breeze
Dec 7.4 Gentle breeze 12.5 Significant breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 85.2%
Feb 79.3%
Mar 64.1%
Apr 54.9%
May 60.4%
Jun 60.2%
Jul 59.2%
Aug 62.7%
Sep 70.4%
Oct 79.4%
Nov 87.4%
Dec 87.9%

 

Is it Safe to Travel to Luxembourg?

Our best data indicates this area is generally safe. As of Dec 04, 2023 there are no travel advisories or warnings for Luxembourg; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Oct 26, 2023.


 

The Busiest and Least Crowded Months

The busiest month for tourism in Luxembourg is March, followed by July and May. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Luxembourg in December. Those willing to visit at these times will likely find it the least expensive month.

Estimated Tourism by Month

 

Most Popular Months to Visit

Key
Tourists Seeking Accommodations

Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Tourism data for this area is very reliable. Displayed data is calculated relative to the peak, so a score of 37.2 in December means 37.2% of the tourists vs. March.

 

 

Overall Luxembourg Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 69.2°F (20.7°C) and 46.5°F (8.1°C) with warmer temperatures in the later months. Rain is somewhat common with 6 to 8 days of significant precipitation per month. Spring is the busiest for tourism, which makes it a good time for those looking for things to do.

Summer (June through August)

The middle-year months have comfortably cool weather with high temperatures that are comfortable. These months see moderate precipitation with 6 to 8 days of precipitation per month. June – August is the second busiest season for tourism in Luxembourg, so lodging and other accommodations may cost slightly more.

Fall (September through November)

Fall daily highs range from 68°F (20°C) and 40.9°F (4.9°C), which will feel chilly given the humidity and wind. It rains or snows a significant amount: 5 to 7 days per month. Tourism is fairly slow during these months due to the weather, so hotels may be lower priced.

Winter (December through February)

Weather is too cold this time of year in Luxembourg to be enjoyable for warm weather travelers. The average high during this season is between 46.5°F (8.1°C) and 36.5°F (2.5°C). On average, it rains or snows a fair amount: 6 to 9 times per month. These times of year are the slowest with tourists.

 

Best Times to Travel › Luxembourg