Spa weather in May
Temperature, rain and sunshine in May: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in May
Good
Best time to visit: May – September
What is the weather like in Spa in May?
In May, Spa is mild: daytime highs average 16 °C, and nights cool down to about 8 °C. Expect around 6 hours of sunshine a day. Rain is frequent, with about 14 rainy days and 78 mm in total. All in all, May is a good month for a holiday in Spa.
May compared
How the weather changes from April to June. Tap a month to open it.
More details for May
- Daylight
- 15 h 26 min05:50 – 21:15
- UV index
- 7 · highclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 19 km/haverage daily peakAll months
- Cloud cover
- 67 %on averageAll months
- Hot days
- 0 days30 °C or more
- Snow days
- 0 days1 cm or more of fresh snowAll months
- Time zone
- UTC+2Europe/Brussels
How the score comes together
- Temperatureweight 50 %93 %
- Sunshineweight 20 %53 %
- Few rainy daysweight 30 %30 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Nature escape”.
What to pack in May
- Sunscreen
- Sunglasses & sun hat
- A jumper for the evenings
- Rain jacket or umbrella
Spa in May: quick answers
Is Spa hot in May?
No. In May, Spa is mild: daytime highs average 16 °C and nights drop to about 8 °C.
Does it rain much in Spa in May?
Rain is frequent, with about 14 rainy days and 78 mm in total.
Spa month by month
The whole year in SpaAll destinations: BelgiumWhere to go in May
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences