December · Iceland
Best time to visit Þingvellir in December Weather, crowds & prices
Weather in Þingvellir in December
Average temperature -7°C, 130 mm of rain, about 0 days with 6+ hours of sunshine and 95% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
December score
0.6/10
Ranked #11 of 12 months
- Avg temp
- -7°C
- Rainfall
- 130 mm
- Humidity
- 95%
- Days with 6h+ sun
- 0
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
December in Þingvellir scores 0.6/10 for nature and wildlife travel - ranked #11 of 12. Expect around -7°C, 130 mm of rain, and roughly 0 days with 6+ hours of sunshine this month.
Þingvellir is where Iceland’s parliament began-rift valley paths between Eurasian and North American plates. Best window: the short high-summer window when daylight peaks.
December in Þingvellir — off-season conditions
December averages -7°C (20°F) — deep-winter cold that dictates the whole trip: short outdoor stints, indoor plans on standby, and no expectation of long walking days.
At 130 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 3.5 hours of daylight.
It scores 0.6/10 here, 11th of 12 months, against 7.5/10 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 6.9 points higher here — enough to change the trip.
Frequently asked
- What is the weather like in Þingvellir in December?
- In December, Þingvellir averages -7°C, 130 mm of rain, and about 0 days with 6+ hours of sunshine. Its climate-comfort score is 0.6/10.
- Is December a good time to visit Þingvellir?
- December earns a 0.6/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Þingvellir in December?
- Expect about 130 mm of rain in December. Average humidity is 95% and there are about 0 days with 6+ hours of sunshine.
Curated in Þingvellir
Tickets & experiences
Things to do in Þingvellir
Þingvellir, Iceland. Live activities and tours from GetYourGuide, matched to this destination.