Haller Weather in May
May in Haller brings pleasant temperatures around 19°C (66°F) during the day, dropping to 8°C (46°F) at night, with quite a bit of rainfall expected, averaging around 70 mm (2.8 in) for the month.
Rainfall in Haller in May
Looking at the last 30 years, the data shows about 16 days with rain, averaging 70 mm (2.8 in) for the month. Rain is frequent but mostly light this month, with brief showers more common than heavy downpours.
Temperature in Haller in May
Daytime temperatures in Haller reach 19°C (66°F) in May, dropping to 8°C (46°F) at night. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. With overnight lows of 8°C (46°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.
Sunshine in Haller in May
Enjoy a sunny month with about 225 hours of sunshine, the clear skies make Haller even more beautiful.Our weather planner can help you find worldwide destinations with pleasant weather during this period. June, July, August and September typically offer the best weather for Haller.
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 Haller's climate page.
Haller 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 Haller 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 Haller in May
Browse day-by-day weather records for Haller spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Haller historical weather extremes in May
Based on 50 years of weather observations (1976-2026), these are the most extreme conditions recorded in Haller.
- Haller recorded its highest May temperature of 32°C (90°F) on May 28, 2017.
- On May 4, 1987, Haller saw its coldest May day with temperatures maxing out at 5°C (41°F).
- The lowest overnight temperature recorded in May was -1°C (30°F) (May 2, 1981).
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
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tolerable
unpleasant
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What to Wear in Haller in May
Comfortable temperatures call for an easy wardrobe in May. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Wet weather is likely, so pack waterproof gear for multiple rainy days. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Haller 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 Haller's climate page.
Temperature Rainfall Sunshine Humidity
See the full Haller climate overview or explore weather in Luxembourg.
