December · Iceland
Best time to visit Reykjavik in December Weather, crowds & prices
Weather in Reykjavik in December
Average temperature -2°C, 129 mm of rain, about 0 days with 6+ hours of sunshine and 92% 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
- -2°C
- Rainfall
- 129 mm
- Humidity
- 92%
- Days with 6h+ sun
- 0
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
December in Reykjavik scores 1.3/10 for nature and wildlife travel - ranked #11 of 12. Expect around -2°C, 129 mm of rain, and roughly 0 days with 6+ hours of sunshine this month.
Northern lights nearby and geothermal days peak in the bright June-August window.
December in Reykjavik — off-season conditions
December averages -2°C (28°F), cold enough that sightseeing works in bursts rather than in one long day on foot.
At 129 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 3.6 hours of daylight.
It scores 1.3/10 here, 11th of 12 months, against 7.6/10 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 6.3 points higher here — enough to change the trip.
Frequently asked
- What is the weather like in Reykjavik in December?
- In December, Reykjavik averages -2°C, 129 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 Reykjavik?
- 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 Reykjavik in December?
- Expect about 129 mm of rain in December. Average humidity is 92% and there are about 0 days with 6+ hours of sunshine.
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Reykjavik, Iceland. Live activities and tours from GetYourGuide, matched to this destination.