Nommern Weather in May
May in Nommern brings pleasant temperatures, with daytime highs of 19°C (66°F) and nights around 8°C (46°F). Quite a bit of rainfall is expected, around 70 mm (2.8 in), so pack an umbrella.
Rainfall in Nommern in May
This month experiences about 16 days of rain according to historical data, averaging 70 mm (2.8 in). Rain falls on many days this month, but usually in relatively small amounts. A light waterproof is more useful than a heavy umbrella.
Temperature in Nommern in May
Daytime highs in Nommern in May reach 19°C (66°F), with nights around 8°C (46°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. Nights fall to 8°C (46°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.
Sunshine in Nommern in May
The city usually sees around 225 hours of sunlight, indicating many sunny days — a great month for sightseeing.If your ideal day consists of dry skies and pleasant temperatures, June, July, August and September typically offer the best circumstances for Nommern.
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 Nommern's climate page.
Nommern Temperature in May
Min Temperature
8°C (46°F)
Max Temperature
19°C (66°F)
Chance of Rain
55%
Precipitation
70 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 Nommern 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 Nommern in May
Browse day-by-day weather records for Nommern spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Nommern historical weather extremes in May
Based on 50 years of weather observations in Nommern between 1976 and 2026, these are the recorded extremes.
- The hottest May day on record in Nommern reached 32°C (90°F) (May 28, 2017).
- The lowest daytime temperature in May was 5°C (41°F), recorded on May 4, 1987.
- Nighttime temperatures dropped to -2°C (28°F) on May 2, 1981, marking the coldest May night on record.
- The heaviest May precipitation occurred on May 19, 2003, when 47 mm (1.9 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 →
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What to Wear in Nommern in May
For Nommern 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 Nommern 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 Nommern's climate page.
Temperature Rainfall Sunshine Humidity
See the full Nommern climate overview or explore weather in Luxembourg.
