Grimsby Weather in December
Grimsby in December
The short of it: Grimsby in December averages a high of 3 °C (37 °F) and a low of -4 °C (26 °F), with 73 mm (2.9 in) of rain and about 9 h 0 min of daylight. Rated 1 of 5 for a visit; the best months are July and June. Source: TerraClimate climate normals, 1991–2020.
Average high 3° · low -4° · rain 73 mm · daylight 9 h 0 min
✦ Travel with care for a visit · best months: July & June
Thirty years of records give Grimsby an average December high of 3°, a low of -4° and some 73 mm of rain. Highs fall 6° against November, to near 3°; nights run about -4°. Wet spells are common — about 73 mm, the 6th wettest month. The first lasting snow usually comes now.
The sun is up for about 9 h 0 min in mid-December, 38 minutes less than a month before.
For the traveller: pack a heavy coat, gloves and a scarf, and an oilskin besides. The Almanac rates December 1 of 5 for a visit; the finest months here are July and June.
Against its neighbours, Grimsby runs cooler than most and wetter than most in December. Stoney Creek, 16 km to the W, sees much the same highs.
December in Grimsby, by the numbers
- Warmth rank
- 10th warmest of 12
- Rain rank
- 6th wettest of 12
- Versus November
- 6° colder, 6.0 mm more rain
- Versus January
- 3° warmer
- Day–night spread
- 6°
- Snow season
- Dec–Mar
- Daylight, mid-month
- 9 h 0 min
- Average wind
- 17 km/h
Neighbouring Towns
December averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| Stoney CreekOntario | 16 km W | 3° | -3° | 69 mm |
| HamiltonOntario | 24 km WNW | 3° | -3° | 65 mm |
| St. CatharinesOntario | 26 km E | 3° | -3° | 65 mm |
| OakvilleOntario | 29 km NNW | 3° | -3° | 60 mm |
| BurlingtonOntario | 30 km NW | 2° | -4° | 64 mm |
| AncasterOntario | 34 km W | 2° | -4° | 68 mm |
| WellandOntario | 35 km SE | 3° | -4° | 78 mm |
| Niagara FallsOntario | 42 km ESE | 3° | -4° | 78 mm |