Luxembourg Weather in May
May in Luxembourg brings pleasant temperatures, with daytime highs of 19°C (66°F) and nights around 9°C (48°F). Quite a bit of rainfall is expected, around 71 mm (2.8 in), so pack an umbrella.
Rainfall in Luxembourg in May
The climate data from previous years indicates about 16 days of rain, averaging 71 mm (2.8 in) for the month. Expect plenty of grey, overcast days rather than intense storms. The rain rarely amounts to much on any given day.
Temperature in Luxembourg in May
May in Luxembourg brings pleasant temperatures, with highs of 19°C (66°F) and nights around 9°C (48°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. Nights drop to 9°C (48°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.
Sunshine in Luxembourg in May
There are approximately 225 hours of sunshine this month, resulting in mostly clear days.If you prefer dry days with pleasant temperatures, June, July, August and September typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Luxembourg, check out our Luxembourg's climate page.
Luxembourg Temperature in May
Min Temperature
9°C (48°F)
Max Temperature
19°C (66°F)
Chance of Rain
54%
Precipitation
71 mm (2.8 in)
Rainy days
16 days
Humidity
68%
Sunshine
225 hours
Percentage Sunshine
44%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Luxembourg typically rise from around 16°C (61°F) at the start of May to approximately 19°C (66°F) by the end. Nights are cool, with lows typically ranging from 7°C (45°F) to 11°C (52°F).
Average temperatures in May
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather for Luxembourg in May
Browse day-by-day weather records for Luxembourg spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Luxembourg historical weather extremes in May
Based on weather observations in Luxembourg between 1976 and 2026, these are the recorded extremes during May.
- On May 26, 2026, temperatures climbed to 31°C (88°F), marking the warmest May day on record.
- The lowest daytime temperature in May was 5°C (41°F), recorded on May 4, 1987.
- The coldest night in May in Luxembourg was on May 2, 1981, with a minimum of -2°C (28°F).
- The heaviest May precipitation occurred on May 8, 2004, when 42 mm (1.7 in) of precipitation fell.
Best Places in Luxembourg in May
Find out more about the weather in Luxembourg and which places have the best travel conditions in this month. See all of Luxembourg in May →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Luxembourg in May
For Luxembourg in May, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Luxembourg in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Luxembourg, check out our Luxembourg's climate page.
Temperature Rainfall Sunshine Humidity
See the full Luxembourg climate overview or explore weather in Luxembourg.
