Corunna Weather in December
Corunna in December
The short of it: Corunna in December averages a high of 3 °C (37 °F) and a low of -4 °C (25 °F), with 60 mm (2.4 in) of rain and about 9 h 2 min of daylight. Rated 2 of 5 for a visit; the best months are July and September. Source: TerraClimate climate normals, 1991–2020.
Average high 3° · low -4° · rain 60 mm · daylight 9 h 2 min
✦✦ Travel with care for a visit · best months: July & September
Thirty years of records give Corunna an average December high of 3°, a low of -4° and some 60 mm of rain. The year turns hard here: highs drop 6° from November to about 3°, with nights near -4°. Wet spells are common — about 60 mm, the 9th wettest month. The first lasting snow usually comes now.
The sun is up for about 9 h 2 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 2 of 5 for a visit; the finest months here are July and September.
Against its neighbours, Corunna runs warmer than most and wetter than most in December. Marysville, 5 km to the NW, sees much the same highs.
December in Corunna, by the numbers
- Warmth rank
- 10th warmest of 12
- Rain rank
- 9th wettest of 12
- Versus November
- 6° colder, 11 mm less rain
- Versus January
- 3° warmer
- Day–night spread
- 6°
- Snow season
- Dec–Mar
- Daylight, mid-month
- 9 h 2 min
- Average wind
- 17 km/h
Neighbouring Towns
December averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| MarysvilleMichigan | 5 km NW | 2° | -4° | 59 mm |
| Port HuronMichigan | 10 km N | 3° | -4° | 60 mm |
| SarniaOntario | 11 km NNE | 3° | -4° | 60 mm |
| WallaceburgOntario | 32 km S | 2° | -4° | 63 mm |
| New BaltimoreMichigan | 33 km SW | 2° | -4° | 59 mm |
| Mount ClemensMichigan | 48 km SW | 3° | -4° | 60 mm |
| Lambton ShoresOntario | 51 km NE | 2° | -4° | 77 mm |
| Clinton TownshipMichigan | 52 km SW | 3° | -4° | 60 mm |