Grundhof Weather in May
May in Grundhof 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 Grundhof in May
Looking at the last 30 years, the data shows about 17 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 Grundhof in May
May in Grundhof sees highs of 19°C (66°F) and lows of 8°C (46°F) overnight. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. At 8°C (46°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.
Sunshine in Grundhof in May
Expect sunny days throughout the month, with an estimated 205 hours of sunshine. This makes it a pleasant time to visit Grundhof.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 Grundhof.
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 Grundhof's climate page.
Grundhof 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
17 days
Sunshine
205 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Grundhof 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 Grundhof in May
Browse day-by-day weather records for Grundhof spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Grundhof historical weather extremes in May
Based on 50 years of weather observations in Grundhof between 1976 and 2026, these are the recorded extremes.
- Grundhof recorded its highest May temperature of 32°C (90°F) on May 28, 2017.
- The coldest May day was on May 4, 1987, with a maximum of 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 Grundhof in May
For Grundhof 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. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Grundhof 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 Grundhof's climate page.
See the full Grundhof climate overview or explore weather in Luxembourg.
