Saint John Weather in December
Saint John in December
The short of it: Saint John in December averages a high of 1 °C (35 °F) and a low of -7 °C (20 °F), with 133 mm (5.2 in) of rain and about 8 h 45 min of daylight. Rated 1 of 5 for a visit; the best months are August and July. Source: TerraClimate climate normals, 1991–2020.
Average high 1° · low -7° · rain 133 mm · daylight 8 h 45 min
✦ Travel with care for a visit · best months: August & July
Thirty years of records give Saint John an average December high of 1°, a low of -7° and some 133 mm of rain. Highs fall 6° against November, to near 1°; nights run about -7°. Wet spells are common — about 133 mm, the 2nd wettest month. The first lasting snow usually comes now.
The sun is up for about 8 h 45 min in mid-December, 42 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 August and July.
Against its neighbours, Saint John runs warmer than most and wetter than most in December. Uptown Saint John, 0 km to the NW, sees much the same highs.
December in Saint John, by the numbers
- Warmth rank
- 10th warmest of 12
- Rain rank
- 2nd wettest of 12
- Versus November
- 6° colder, 3.0 mm more rain
- Versus January
- 4° warmer
- Day–night spread
- 8°
- Snow season
- Dec–Apr
- Daylight, mid-month
- 8 h 45 min
- Average wind
- 17 km/h
Neighbouring Towns
December averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| Uptown Saint JohnNew Brunswick | 0 km NW | 1° | -7° | 133 mm |
| South EndNew Brunswick | 0 km SSE | 1° | -7° | 133 mm |
| IndiantownNew Brunswick | 2 km WNW | 1° | -7° | 133 mm |
| North EndNew Brunswick | 2 km W | 1° | -7° | 133 mm |
| Saint John WestNew Brunswick | 2 km SW | 1° | -7° | 133 mm |
| Saint John EastNew Brunswick | 2 km NNE | 2° | -7° | 135 mm |
| Fundy HeightsNew Brunswick | 2 km SSW | 1° | -7° | 133 mm |
| Westmorland HeightsNew Brunswick | 3 km NNE | 1° | -7° | 135 mm |