Waterloo Weather in May
Waterloo in May
The short of it: Waterloo in May averages a high of 18 °C (65 °F) and a low of 9 °C (48 °F), with 62 mm (2.4 in) of rain and about 15 h 29 min of daylight. Rated 4 of 5 for a visit; the best months are June and September. Source: TerraClimate climate normals, 1991–2020.
Average high 18° · low 9° · rain 62 mm · daylight 15 h 29 min
✦✦✦✦ Recommended for a visit · best months: June & September
May in Waterloo brings afternoons near 18° and nights around 9°, with about 62 mm of rain over the month. Much like April: highs about 18°, nights near 9°. Easy travelling weather. Wet spells are common — about 62 mm, the 9th wettest month.
The sun is up for about 15 h 29 min in mid-May, 104 minutes more than a month before.
For the traveller: pack layers, a wool coat and stout boots, and an oilskin besides. The Almanac rates May 4 of 5 for a visit; the finest months here are June and September.
Against its neighbours, Waterloo runs cooler than most and wetter than most in May. Braine-l'Alleud, 4 km to the SSW, sees much the same highs.
May in Waterloo, by the numbers
- Warmth rank
- 5th warmest of 12
- Rain rank
- 9th wettest of 12
- Versus April
- 3° warmer, 16 mm more rain
- Versus June
- 3° colder
- Day–night spread
- 9°
- Snow season
- seldom any
- Daylight, mid-month
- 15 h 29 min
- Average wind
- 12 km/h
Neighbouring Towns
May averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| Braine-l'AlleudWallonia | 4 km SSW | 19° | 9° | 62 mm |
| UccleBrussels Capital | 11 km NNW | 19° | 9° | 62 mm |
| AuderghemBrussels Capital | 12 km NNE | 18° | 9° | 61 mm |
| HalleFlanders | 12 km W | 19° | 9° | 60 mm |
| ForestBrussels Capital | 12 km NNW | 19° | 9° | 60 mm |
| Saint-GillesBrussels Capital | 13 km NNW | 19° | 9° | 62 mm |
| EtterbeekBrussels Capital | 13 km N | 19° | 9° | 62 mm |
| IxellesBrussels Capital | 13 km N | 19° | 9° | 62 mm |