December · Iceland
Best time to visit Seljalandsfoss in December Weather, crowds & prices
Weather in Seljalandsfoss in December
Average temperature -1°C, 180 mm of rain, about 0 days with 6+ hours of sunshine and 87% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
December score
1.3/10
Ranked #11 of 12 months
- Avg temp
- -1°C
- Rainfall
- 180 mm
- Humidity
- 87%
- Days with 6h+ sun
- 0
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
December in Seljalandsfoss scores 1.3/10 for nature and wildlife travel - ranked #11 of 12. Expect around -1°C, 180 mm of rain, and roughly 0 days with 6+ hours of sunshine this month.
Seljalandsfoss drops from the Eyjafjöll cliffs with a path behind the veil-iconic south-coast waterfall drama. Best window: the short high-summer window when daylight peaks.
December in Seljalandsfoss — off-season conditions
December averages -1°C (31°F), cold enough that sightseeing works in bursts rather than in one long day on foot.
At 180 mm of water-equivalent precipitation this is a snowy month at resort level — that is snowpack, not lost days — with almost no days with 6+ hours of sunshine and 4 hours of daylight.
It scores 1.3/10 here, 11th of 12 months, against 7.3/10 in the destination's best month.
Pack insulated layers, a windproof shell, gloves and boots with grip, a proper rain shell rather than an umbrella, footwear you can get muddy.
Figure on low-season pricing, with crowds are light for this destination.
Flexible dates? July scores 6 points higher here — enough to change the trip.
Frequently asked
- What is the weather like in Seljalandsfoss in December?
- In December, Seljalandsfoss averages -1°C, 180 mm of rain, and about 0 days with 6+ hours of sunshine. Its climate-comfort score is 1.3/10.
- Is December a good time to visit Seljalandsfoss?
- December earns a 1.3/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Seljalandsfoss in December?
- Expect about 180 mm of rain in December. Average humidity is 87% and there are about 0 days with 6+ hours of sunshine.
Curated in Seljalandsfoss
Tickets & experiences
Things to do in Seljalandsfoss
Seljalandsfoss, Iceland. Live activities and tours from GetYourGuide, matched to this destination.