Reykholt Weather in December
December in Reykholt brings low temperatures around 3°C (37°F) during the day, dropping to -4°C (25°F) at night, and as part of the rainy season, heavy snow/rainfall is common.
Rainfall in Reykholt in December
As part of the rainy season, Reykholt sees around 17 days of rain in December, with an average of 186 mm (7.3 in). Rain during the rainy season is significant rather than just light drizzle. Expect proper showers on most rainy days.
Temperature in Reykholt in December
Daytime temperatures in Reykholt reach 3°C (37°F) in December, dropping to -4°C (25°F) at night. During December, you'll experience the winter season. It stays very cold throughout much of the day, so warm winter clothing is essential. With overnight lows of -4°C (25°F), temperatures fall below freezing at night. An extra thick blanket can make a real difference if your accommodation runs cold. The month is chilly, so ensure you're equipped and dress warmly. Preparation becomes key in these temperatures.
Sunshine in Reykholt in December
The month is characterized by fewer sunny days, with roughly 20 hours hours of sunshine. Ideal for those who prefer a cooler, cloudier climate.If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit Reykholt. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Iceland, check out our Reykholt's climate page.
Reykholt Temperature in December
Min Temperature
-4°C (25°F)
Max Temperature
3°C (37°F)
Chance of Rain
58%
Precipitation
186 mm (7.3 in)
Rainy days
17 days
Humidity
79% *
Sunshine
20 hours *
Percentage Sunshine
15% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Reykholt typically stay consistent throughout December, with daily highs averaging around 3°C (37°F). Nights are very cold, with lows typically ranging from -3°C (27°F) to 0°C (32°F).
Average temperatures in December
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for Reykholt in December
Browse day-by-day weather records for Reykholt spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Reykholt historical weather extremes in December
Based on 49 years of weather observations in Reykholt between 1976 and 2025, these are the recorded extremes.
- The hottest December day on record in Reykholt reached 11°C (52°F) (December 14, 1997).
- The lowest daytime temperature in December was -10°C (14°F), recorded on December 30, 2022.
- The lowest overnight temperature recorded in December was -20°C (-4°F) (December 30, 2022).
- The heaviest December precipitation occurred on December 30, 2007, when 57 mm (2.2 in) of precipitation fell.
Best Places in Iceland in December
Find out more about the weather in Iceland and which places have the best travel conditions in this month. See all of Iceland in December →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Reykholt in December
We recommend to layer up for chilly conditions in Reykholt in December. You could start with thermal underwear or a good base layer to keep your core warm on the cooler days this month. Maybe also add a sweater or fleece, and top it off with a windproof jacket. Also bring a poncho, it will rain a lot! Waterproof everything you can. You can probably leave your sunglasses at home, because sunny days are pretty rare this month.What To Do in Reykholt in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Iceland, check out our Reykholt's climate page.
Temperature Rainfall Sunshine Humidity
See the full Reykholt climate overview or explore weather in Iceland.
