Iceland · 1991–2020 normal
Selfoss in
December.
Typical December weather in Selfoss: 3.3°C by day, -1.6°C at night, 114 mm of rain over 17.4 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high3.3°C
Typical low-1.6°C
Rain114 mm
Wet days17.4
Comfort score 5 this month (July leads the year at 45). Daylight is calculated as 4 h 19 from latitude 63.93°. Open-water sea temperature is 6.3°C (9 km from the place centre).
Event window
Long northern nights in December
At 63.9° the calculated mid-month daylight is 4 h 19. That darkness, not an aurora observation, is why this latitude is sought for northern or southern lights in December. Typical nights are -1.6°C.
Event window
Frost-level nights in December
The measured night-time normal is -1.6°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 3413604
- NOAA station
- IC000004030 · REYKJAVIK
- Station distance
- 49.1 km from the place centre
- Coverage
- Strong coverage · 30 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.