Weather in Люксембург by month: what to expect

The weather in Люксембург shifts gently through the year, offering distinct seasons without extreme swings. Winters are cool but rarely harsh, while summers bring mild warmth that’s comfortable for exploring the city and its surroundings. Rainfall is spread fairly evenly, so a light jacket or umbrella is often useful.

Люксембург sees its brightest days from May to August, when sunshine hours peak at around 8 per day. The transition months of April and September also provide pleasant conditions, with fewer crowds and temperatures that suit outdoor walks. Even in December and January, the city retains a quiet charm, though daylight is limited to just a few hours.

Average temperatures in Люксембург range from +1.9 °C in January to +19.2 °C in July and August, making summer the warmest time to visit. Nights can still feel cool, especially in June, when the difference between day and night reaches nearly 10 °C. By September, the air cools noticeably, with averages dropping to +15.3 °C.

Spring arrives gradually: March averages +6.2 °C, while May warms up to +13.7 °C. Even in April, daytime highs can reach +14.5 °C, though evenings may dip to +4.7 °C. Autumn brings a similar pattern in reverse, with October still mild at +10.8 °C before temperatures slide toward winter levels by November.

Rainfall in Люксембург is consistent year-round, with no truly dry season. The wettest months are December (88.1 mm) and January (86 mm), while April tends to be drier, averaging 44.7 mm. Even in summer, brief showers are common, though they rarely disrupt plans for long.

The city sees rain on roughly half the days each month, so packing a compact umbrella or waterproof layer is wise. July and September both receive around 77–79 mm of precipitation, while August is slightly drier at 49.9 mm. Snow is rare, though light flurries can occur in January or February.

For a trip to Люксембург in summer, pack light layers for daytime temperatures around +20–24 °C, along with a light jacket for cooler evenings. A scarf or shawl is useful for breezy days, and comfortable walking shoes will help you explore the city’s hills and parks without discomfort.

In spring or autumn, layering becomes key. Mornings and evenings can be chilly, especially in March or November, so a sweater or fleece paired with a waterproof shell will cover most conditions. For winter, a warm coat, gloves, and a hat are essential, though heavy winter gear is rarely needed—temperatures usually stay above -1 °C even in January.