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Wiltz Weather in May
In Wiltz, May brings moderate daytime temperatures around 18°C (64°F), with nights cooling to 8°C (46°F). Expect quite a bit of rainfall this month.
Rainfall in Wiltz in May
Past climate data indicates that roughly 17 days will see rain, totalling around 79 mm (3.1 in) for the month. Rain is frequent but mostly light this month, with brief showers more common than heavy downpours.
Temperature in Wiltz in May
Expect highs of 18°C (64°F) in Wiltz in May, with nights dropping to around 8°C (46°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights drop to 8°C (46°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.
Sunshine in Wiltz in May
Expect sunny days throughout the month, with an estimated 225 hours of sunshine. This makes it a pleasant time to visit Wiltz.Should you favor a climate that's both dry and comfortably warm, June, July and August typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Wiltz Temperature in May
Min Temperature
8°C (46°F)
Max Temperature
18°C (64°F)
Chance of Rain
57%
Precipitation
79 mm (3.1 in)
Rainy days
17 days
Humidity
68% *
Sunshine
225 hours *
Percentage Sunshine
44% *
* Data from: Luxembourg, Luxembourg (44 KM, 27 Miles).
Wiltz Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Wiltz - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Wiltz typically rise from around 15°C (59°F) at the start of May to approximately 18°C (64°F) by the end. Nights are cold, 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 records for Wiltz in May
Browse day-by-day weather records for Wiltz spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Wiltz historical weather extremes in May
According to our 50 years of weather records for Wiltz, the following extremes were recorded between 1976 and 2026.
- The warmest day in May was on May 26, 2026, with a maximum of 30°C (86°F).
- Wiltz experienced its chilliest May day on May 4, 1987, reaching only 4°C (39°F).
- Nighttime temperatures dropped to -1°C (30°F) on May 2, 1981, marking the coldest May night on record.
- Peak precipitation in May occurred on May 19, 2003, when 44 mm (1.7 in) of precipitation was measured.
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
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Wiltz in May
Pleasant temperatures in May mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
What To Do in Wiltz in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling6/10 -
Walking6/10 -
Camping4/10 -
Outdoor sports9/10
Wiltz 3-Day Forecast
More climate data for Wiltz
Temperature Rainfall Sunshine Humidity
See the full Wiltz climate overview or explore weather in Luxembourg.
Popular in May
Where to go in May - average daytime high across popular destinations.
Mondorf-les-Bains
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