December · Iceland
Best time to visit Selfoss in December Weather, crowds & prices
Weather in Selfoss in December
Average temperature -4°C, 137 mm of rain, about 0 days with 6+ hours of sunshine and 93% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
December score
1.1/10
Ranked #11 of 12 months
- Avg temp
- -4°C
- Rainfall
- 137 mm
- Humidity
- 93%
- Days with 6h+ sun
- 0
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
December in Selfoss scores 1.1/10 for sightseeing and cultural travel - ranked #11 of 12. Expect around -4°C, 137 mm of rain, and roughly 0 days with 6+ hours of sunshine this month.
Selfoss is South Iceland’s service town on the Ölfusá-base for Golden Circle and south-coast waterfall loops. Best window: the short high-summer window when daylight peaks.
December in Selfoss — the hardest end of the year
At -4°C (26°F) this is proper winter weather in December: layer up and split the day between outdoor highlights and indoor stops.
137 mm of water-equivalent precipitation makes this a snowy month at resort level; what falls stays as snow, with almost no days with 6+ hours of sunshine and 3.8 hours of daylight.
That is 1.1/10 on the same scale — 11th of 12 months, versus 6.9/10 for the best month here.
Pack insulated layers, a windproof shell, gloves and boots with grip, a proper rain shell rather than an umbrella.
Expect low-season pricing, and crowds are light for this destination.
If your dates are flexible, July is materially better in Selfoss — 5.8 points higher on the same scale.
Frequently asked
- What is the weather like in Selfoss in December?
- In December, Selfoss averages -4°C, 137 mm of rain, and about 0 days with 6+ hours of sunshine. Its climate-comfort score is 1.1/10.
- Is December a good time to visit Selfoss?
- December earns a 1.1/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Selfoss in December?
- Expect about 137 mm of rain in December. Average humidity is 93% and there are about 0 days with 6+ hours of sunshine.
Curated in Selfoss
Tickets & experiences
Things to do in Selfoss
Selfoss, Iceland. Live activities and tours from GetYourGuide, matched to this destination.