Diekirch Weather in May
May in Diekirch brings pleasant temperatures, with daytime highs of 18°C (64°F) and nights around 8°C (46°F). Quite a bit of rainfall is expected, around 71 mm (2.8 in), so pack an umbrella.
Rainfall in Diekirch in May
Typically, you can expect about 17 days of rain this month, with 71 mm (2.8 in) on average. Expect plenty of grey, overcast days rather than intense storms. The rain rarely amounts to much on any given day.
Temperature in Diekirch in May
Daytime highs in Diekirch in May reach 18°C (64°F), with nights around 8°C (46°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. 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 Diekirch in May
The city usually sees around 225 hours of sunlight, indicating many sunny days — a great month for sightseeing.For Diekirch itself, June, July and August generally stand out with 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 Diekirch's climate page.
Diekirch Temperature in May
Min Temperature
8°C (46°F)
Max Temperature
18°C (64°F)
Chance of Rain
55%
Precipitation
71 mm (2.8 in)
Rainy days
17 days
Humidity
68% *
Sunshine
225 hours *
Percentage Sunshine
44% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Diekirch typically rise from around 15°C (59°F) at the start of May to approximately 19°C (66°F) by the end. Nights are cool, with lows typically ranging from 6°C (43°F) to 10°C (50°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 Diekirch in May
Browse day-by-day weather records for Diekirch spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Diekirch historical weather extremes in May
Based on 50 years of weather observations in Diekirch between 1976 and 2026, these are the recorded extremes.
- On May 28, 2017, temperatures climbed to 32°C (90°F), marking the warmest May day on record.
- The coldest May day was on May 4, 1987, with a maximum of 5°C (41°F).
- Nighttime temperatures dropped to -1°C (30°F) on May 2, 1981, marking the coldest May night on record.
- The wettest May day on record brought 48 mm (1.9 in) of precipitation to Diekirch (May 19, 2003).
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 Diekirch in May
For Diekirch 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. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Diekirch 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 Diekirch's climate page.
Temperature Rainfall Sunshine Humidity
See the full Diekirch climate overview or explore weather in Luxembourg.
