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Environment and climate

Climate and weather in Luxembourg

Yellow alerts from Meteolux, floods in spring and occasional miracle snow that you will see immediately on the Instagram of every self-respecting Luxembourger. The weather in Luxembourg can be unpredictable, but predictably you'll learn all about the climate in the country from our article.

Last time updated
19.10.24

Luxembourg has a mild climate with moderate seasons and temperatures. It rains a lot here, and it's always humid. The climate in Luxembourg is affected by the Atlantic Ocean and west winds, which bring humid air and clouds. Luxembourg City has an average temperature of 0°C in winter and 25°C in summer. It rains all year, but it is wettest in May and June. Snow is common in winter but melts fast.

Climate in the Grand Duchy of Luxembourg

Luxembourg does not have a clear climatic definition, you can think. Its climate can be conditionally called moderately marine. It is best described by mild winters and not extremely hot summers, which is confirmed by the average annual temperatures: normally they range from -2.6 °C to 21.6 °C.

The continental climate of the Eastern European plains confronts it and affects the general rules. It's sunny in summer, especially in July. Luxembourg enjoys an Indian summer in September and October. An Indian summer is warm and dry weather in late autumn or early winter.

Winter temperatures here range from +3°C to -6°C which is not too bad, if you have a couple of warm coats. The coldest month of the year is January. The climate in the Grand Duchy is strongly influenced by the country's terrain. For example, temperatures in the north are 2 to 3 degrees lower than in the south, due to the mountainous terrain in the north and the Luxembourgish plateau and plains in the south.

Climate in Luxembourg's regions

The Grand Duchy is divided into 5 natural regions: they are Guttland, Éislek, Minett, Moselle, and Mullerthal. Each of them contains different communes, and various touristic destinations, as well as different natural resources.

Guttland
Éislek
Minett
Moselle
Mullerthal

The biggest areas of natural regions in Luxembourg are Éislek and Guttland. Éislek includes 3 northern cantons Clervaux, Vianden, and Wiltz. It also partly includes Dikirch and Rodange. Guttland includes Echternach, Grevenmacher, Remich, Capellen, Esch-sur-Alzette, Luxembourg, and Mersch.

Corn fields and cows

The area between Éislek and Guttland is a major agricultural region of the country due to its rich and varied soil.

What weather to expect in Luxembourg during different seasons?

Luxembourg has four distinct seasons, each different. Demi-seasons are rainy and changing, while mild winters can sometimes surprise you with decent amount of snowing. Summer, though often not too hot, is sunny and warm.

Winter
During winter, which lasts from December to February, temperatures are usually cold and there is occasional snowfall. However, in recent years, winters have become milder and there has been less snowfall due to climate change.
Spring
In spring, from March to May, the temperatures are mild, there is an occasional rainfall and even heatwave. The earlier onset of spring and earlier blooming of plants can be seen here, due to climate change. As well as affecting flora, it affects fauna too — a lot of birds, like cranes, migrate later in the fall, fly farther, and return in the spring with the first days of good weather. Frosts are not as much of a problem for them as the lack of food.
Summer
During summer in Luxembourg, which lasts from June to August, the weather is generally warm and humid with occasional thunderstorms.
Autumn
Autumn, from September to November, is described by mild temperatures, occasional rainfall, and leaves on the trees turning vibrant colors.

Overall, if we are talking about climate change, affecting the whole planet, the climate in Luxembourg is changing too, with temperatures increasing and rainfall patterns becoming more unpredictable. This has significant implications for agriculture, water resources and the environment in Luxembourg.

Winter in Luxembourg

Winter season is characterised by cold temperatures and occasional snowfall. Average maximum temperatures during this time range from about 4°C to 7°C, while average minimum temperatures range from about -1°C to 2°C. The average number of hours of sunshine per day during winter ranges from 1 to 3 hours a day, depending on the month. Winter is also the rainiest season in Luxembourg, with an average of 16 to 18 rainy days per month.

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Luxtoday

Luxembourg's schools usually have a winter break that lasts for about two weeks, starting around December 23rd and ending in early January. This time is used by many families to spend time together and travel.

Here are a few celebrations, that you can encounter in the country during the winter season
CelebrationAnother nameDate in 2024
ChristmasNoël25 December
St. Stephen's DaySaint-Etienne 26 December
New Year DayNouvel An 1 January
CarnivalCarnival11 to 19 February
BuergbrennenBuergbrennen2 March
There are several holidays in winter in Luxembourg

Overall holiday season generally begins in mid-December and lasts until early January. The main winter holiday in Luxembourg is Christmas, which is celebrated on December 25th.

Spring in Luxembourg

Spring in Luxembourg is mild in terms of temperatures, with occasional rainfall. Average maximum temperatures during this time range from about 9°C to 16°C, while average minimum temperatures range from about 2°C to 7°C. The average number of hours of sunshine per day during spring ranges from 4 to 6, depending on the month. Spring is also a relatively rainy season in Luxembourg, with an average of 12 to 14 rainy days per month.

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Luxtoday

We should add, that flowers start blooming earliest at the end of February: you can see small crocuses all around the city. Then in late March, all trees start to bloom and Luxembourg starts its spring carnival.

Here you can find all the important celebrations of the spring season
CelebrationAnother nameDate in 2024
Bretzel DayBretzelsonndeg10 March
Easter MondayLundi de Pâques 1 April
Labor DayFête du Travail 1 May
Europe DayJournée de l'Europe9 May
Ascension DayAscension 13 June
Trinity MondayLundi de Pentecôte 20 May
Easter in Luxembourg

In 2024, Easter Sunday in Luxembourg will fall on March 31st, and will be followed by Easter Monday on April 1st. Learn more about this colourful event in our article.

Summer in Luxembourg

This warm season is characterized by high temperatures and occasional thunderstorms. Average maximum temperatures during this time range from about 21°C to 24°C, while average minimum temperatures range from about 12°C to 15°C. The average number of hours of sunshine per day during summer ranges from 7 to 9, depending on the month. Summer is also a relatively dry season in Luxembourg, with an average of 7 to 8 rainy days per month.

Luxtoday
Luxtoday
The first major summer celebration in Luxembourg is National Day, which is celebrated on June 23rd and 24th. Traditionally, the holiday begins with a military parade in the morning, followed by a service in a cathedral. In the evening there are fireworks all around the country, with concerts and other cultural events.
Luxembourg national holidays – Blog Article

Luxembourg national holidays – Blog Article

Read our Blog

The summer months are also a popular time for many people to take their vacations and travel. Many families choose to spend time together by going on holiday, either within Luxembourg or to other destinations around the world.

National holidays and celebrations in Luxembourg during summer season
CelebrationAnother nameDate in 2024
Mother's DayMammendag8 June
National Day of LuxembourgFête nationale 23 June
Assumption DayAssomption 15 August
Annual fairSchouberfouer23 August to 11 September

In July and August, several music festivals take place in Luxembourg, including the Rock um Knuedler festival in Luxembourg City and the Blues 'n' Jazz Rallye in Kirchberg. These festivals attract musicians and music lovers from around the world.

Autumn in Luxembourg

Luxembourgish autumn is best described by mild temperatures and occasional rainfall, with the leaves on the trees turning vibrant colours. Average maximum temperatures during this time range from about 16°C to 12°C, while average minimum temperatures range from about 8°C to 3°C. The average number of hours of sunshine per day during autumn ranges from 2 to 5, depending on the month. Autumn is also a relatively rainy season in Luxembourg, with an average of 13 to 15 rainy days per month.

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Luxtoday

Autumn is also a great season in Luxembourg to enjoy the beautiful fall foliage in Luxembourg. The changing colours of the leaves make for stunning scenery, and many people enjoy taking hikes or bike rides through the forests and countryside to enjoy the autumn.

There are several autumn celebrations and events that take place in Luxembourg
CelebrationAnother nameDate in 2024
Grape FestivalDrauwen- a Wäifest6 to 8 September
Father's DayFather's Day6 October
HalloweenHalloween31 October
All Saints' DayToussaint 1 November

One of the most important autumn celebrations in Luxembourg is the Grape and Wine Festival in Grevenmacher. Another harvest festival in Luxembourg is the Kiermes, which is celebrated in many villages and towns throughout the country in September and October. Luxembourg also celebrates Halloween, which has become an increasingly popular holiday in the country in recent years.

Luxembourg weather forecasts and most accurate apps

You can find information on the weather forecast in Luxembourg from various sources, including different meteorological services that work worldwide or locally.

Weather
News
Updates

Join our Telegram for daily weather and news digests

Mobile app MeteoLux
Mobile app IRM

Despite the fickle weather, Luxembourg is a great place to live. As they like to say, there is no bad weather, just inappropriate clothing. So stock up on an umbrella, raincoat and sun hat, and leave the rest to nature.

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Frequently Asked Questions (FAQ)

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We took photos from these sources: Matthew Henry on Unsplash, Luxtoday archive photos

Authors: Daria
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