Grimsby Weather in May
Grimsby in May
The short of it: Grimsby in May averages a high of 18 °C (65 °F) and a low of 8 °C (47 °F), with 79 mm (3.1 in) of rain and about 14 h 39 min of daylight. Rated 3 of 5 for a visit; the best months are July and June. Source: TerraClimate climate normals, 1991–2020.
Average high 18° · low 8° · rain 79 mm · daylight 14 h 39 min
✦✦✦ Fair for a visit · best months: July & June
May in Grimsby brings afternoons near 18° and nights around 8°, with about 79 mm of rain over the month. Highs rise 7° against April, to near 18°; nights run about 8°. Wet spells are common — about 79 mm, the 3rd wettest month.
The sun is up for about 14 h 39 min in mid-May, 78 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 3 of 5 for a visit; the finest months here are July and June.
Against its neighbours, Grimsby runs cooler than most and drier than most in May. Stoney Creek, 16 km to the W, is 1° warmer by day.
May in Grimsby, by the numbers
- Warmth rank
- 5th warmest of 12
- Rain rank
- 3rd wettest of 12
- Versus April
- 7° warmer, 5.0 mm less rain
- Versus June
- 5° colder
- Day–night spread
- 10°
- Snow season
- Dec–Mar
- Daylight, mid-month
- 14 h 39 min
- Average wind
- 13 km/h
Neighbouring Towns
May averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| Stoney CreekOntario | 16 km W | 19° | 9° | 81 mm |
| HamiltonOntario | 24 km WNW | 19° | 9° | 83 mm |
| St. CatharinesOntario | 26 km E | 19° | 9° | 82 mm |
| OakvilleOntario | 29 km NNW | 18° | 8° | 89 mm |
| BurlingtonOntario | 30 km NW | 18° | 8° | 93 mm |
| AncasterOntario | 34 km W | 18° | 8° | 89 mm |
| WellandOntario | 35 km SE | 19° | 8° | 89 mm |
| Niagara FallsOntario | 42 km ESE | 19° | 9° | 87 mm |