Selfoss Weather in December
Selfoss in December
The short of it: Selfoss in December averages a high of 3 °C (37 °F) and a low of -1 °C (30 °F), with 130 mm (5.1 in) of rain and about 4 h 18 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 3° · low -1° · rain 130 mm · daylight 4 h 18 min
✦ Travel with care for a visit · best months: July & August
Thirty years of records give Selfoss an average December high of 3°, a low of -1° and some 130 mm of rain. Selfoss's coldest stretch of the year, 3° by day and -1° by night. Wet spells are common — about 130 mm, the 2nd wettest month. Snow lies on the ground; mind the passes.
The sun is up for about 4 h 18 min in mid-December, 122 minutes less than a month before. Lanterns are lit by mid-afternoon.
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, Selfoss runs about middling and drier than most in December. Eyrarbakki, 11 km to the SW, is 1° warmer by day.
December in Selfoss, by the numbers
- Warmth rank
- 12th warmest of 12
- Rain rank
- 2nd wettest of 12
- Versus November
- 2° colder, 12 mm more rain
- Versus January
- about the same
- Day–night spread
- 4°
- Snow season
- Nov–Apr
- Daylight, mid-month
- 4 h 18 min
- Average wind
- 28 km/h
Neighbouring Towns
December averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| EyrarbakkiSouth | 11 km SW | 4° | -1° | 143 mm |
| HveragerðiSouth | 12 km NW | 3° | -1° | 134 mm |
| ÞorlákshöfnSouth | 21 km WSW | 3° | -1° | 132 mm |
| HellaSouth | 31 km ESE | 3° | -1° | 118 mm |
| FlúðirSouth | 40 km NE | 3° | -1° | 98 mm |
| MosfellsbærCapital Region | 43 km NW | 3° | -1° | 102 mm |
| HvolsvöllurSouth | 43 km ESE | 3° | -1° | 122 mm |
| HafnarfjörðurCapital Region | 48 km WNW | 4° | -1° | 103 mm |