Sliammon Weather in December
Sliammon in December
The short of it: Sliammon in December averages a high of 7 °C (44 °F) and a low of 2 °C (36 °F), with 155 mm (6.1 in) of rain and about 8 h 7 min of daylight. Rated 1 of 5 for a visit; the best months are July and August. Source: TerraClimate climate normals, 1991–2020.
Average high 7° · low 2° · rain 155 mm · daylight 8 h 7 min
✦ Travel with care for a visit · best months: July & August
December in Sliammon brings afternoons near 7° and nights around 2°, with about 155 mm of rain over the month. Sliammon's coldest stretch of the year, 7° by day and 2° by night. Wet spells are common — about 155 mm, the 3rd wettest month.
The sun is up for about 8 h 7 min in mid-December, 51 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 August.
Against its neighbours, Sliammon runs warmer than most and drier than most in December. Powell River, 9 km to the SE, sees much the same highs.
December in Sliammon, by the numbers
- Warmth rank
- 12th warmest of 12
- Rain rank
- 3rd wettest of 12
- Versus November
- 2° colder, 16 mm less rain
- Versus January
- about the same
- Day–night spread
- 4°
- Snow season
- seldom any
- Daylight, mid-month
- 8 h 7 min
- Average wind
- 12 km/h
Neighbouring Towns
December averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| Powell RiverBritish Columbia | 9 km SE | 7° | 2° | 146 mm |
| Myrtle PointBritish Columbia | 14 km SE | 6° | 2° | 150 mm |
| ComoxBritish Columbia | 34 km SW | 6° | 1° | 205 mm |
| CourtenayBritish Columbia | 36 km SW | 6° | 1° | 217 mm |
| RoystonBritish Columbia | 37 km SW | 6° | 1° | 222 mm |
| Oyster RiverBritish Columbia | 38 km W | 6° | 1° | 229 mm |
| Union BayBritish Columbia | 40 km SSW | 6° | 1° | 227 mm |
| Hornby IslandBritish Columbia | 41 km S | 6° | 1° | 190 mm |