Stoumont Weather in May
Stoumont in May sees moderate temperatures, with highs around 18°C (64°F) and overnight lows of 8°C (46°F). Rainfall is fairly high at around 83 mm (3.3 in) on average, so pack waterproofs just in case.
Rainfall in Stoumont in May
Past climate data indicates that roughly 18 days will see rain, totalling around 83 mm (3.3 in) for the month. With rain spread across many days but low totals, showers are typically short and light rather than heavy.
Temperature in Stoumont in May
May in Stoumont brings typical temperatures with highs around 18°C (64°F) and lows of 8°C (46°F). 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 Stoumont in May
The days are predominantly sunny, with an estimated total of around 195 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.
Wind Speed in Stoumont in May
May sees wind speeds averaging 4 m/s (8 knots). You'll experience variable conditions with moderate winds that create small waves on water and keep branches moving. Conditions range from light winds to moderate breezes throughout the month.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.
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 Stoumont's climate page.
Stoumont Temperature in May
Min Temperature
8°C (46°F)
Max Temperature
18°C (64°F)
Chance of Rain
59%
Precipitation
83 mm (3.3 in)
Rainy days
18 days
Humidity
83% *
Windspeed
4 m/s (8 knots) *
Sunshine
195 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Stoumont typically rise from around 14°C (57°F) at the start of May to approximately 17°C (63°F) by the end. Nights are cold, with lows typically ranging from 5°C (41°F) to 9°C (48°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 Stoumont in May
Browse day-by-day weather records for Stoumont spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Stoumont historical weather extremes in May
Based on weather observations in Stoumont between 1976 and 2025, these are the recorded extremes during May.
- The warmest day in May was on May 12, 1998, with a maximum of 30°C (86°F).
- The lowest daytime temperature in May was 3°C (37°F), recorded on May 4, 1979.
- Stoumont registered its coldest May night on May 3, 2021, with temperatures dropping to -2°C (28°F).
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 →
perfect weather
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tolerable
unpleasant
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What to Wear in Stoumont in May
For Stoumont 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. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Stoumont 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 Stoumont's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Stoumont climate overview or explore weather in Belgium.
