Aywaille Weather in May
In Aywaille, May brings pleasant 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 Aywaille in May
You can expect rain on roughly 17 days based on historical data, averaging 78 mm (3.1 in) for the month. Expect plenty of grey, overcast days rather than intense storms. The rain rarely amounts to much on any given day.
Temperature in Aywaille in May
Daytime temperatures in Aywaille reach 18°C (64°F) in May, dropping to 8°C (46°F) at night. The difference between afternoon and evening temperatures is usually noticeable. 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 Aywaille in May
With approximately 195 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.If you prefer enjoying temperate temperatures and rain-free days, June, July and August typically offer 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 Belgium, check out our Aywaille's climate page.
Aywaille Temperature in May
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Aywaille typically rise from around 14°C (57°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 for Aywaille in May
Browse day-by-day weather records for Aywaille spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Aywaille historical weather extremes in May
Based on weather observations in Aywaille between 1976 and 2026, these are the recorded extremes during May.
- The hottest May day on record in Aywaille reached 30°C (86°F) (May 12, 1998).
- The coldest May day was on May 4, 1979, with a maximum of 4°C (39°F).
- The lowest overnight temperature recorded in May was -1°C (30°F) (May 2, 1981).
Best Places in Belgium in May
Find out more about the weather in Belgium and which places have the best travel conditions in this month. See all of Belgium in May →
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What to Wear in Aywaille in May
For Aywaille 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 Aywaille 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 Belgium, check out our Aywaille's climate page.
Temperature Rainfall Sunshine Humidity
See the full Aywaille climate overview or explore weather in Belgium.