Reykjahlíð Weather in December
December in Reykjahlíð sees daytime temperatures around 1°C (34°F) and lows of -6°C (21°F) at night. With around 94 mm (3.7 in) of snow/rainfall expected, it's worth packing a rain jacket.
Rainfall in Reykjahlíð in December
Climate statistics over the past 30 years suggest around 16 days of snow/rain, with 94 mm (3.7 in) average for the month. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.
Temperature in Reykjahlíð in December
Expect highs of 1°C (34°F) in Reykjahlíð in December, with nights dropping to around -6°C (21°F). December is in the winter season. It stays very cold throughout much of the day, so warm winter clothing is essential. Nights are well below freezing at -6°C (21°F). An extra blanket is a good idea if you feel the cold, especially in older or less well-heated accommodation. On average, it is the coldest month of the year. So be prepared and make sure to pack winter clothes.
Sunshine in Reykjahlíð in December
With limited sunshine this month, there are about 0 hours of sun. It's ideal for those who prefer a cooler, cloudier climate.December in Reykjahlíð has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
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 Reykjahlíð's climate page.
Reykjahlíð Temperature in December
Min Temperature
-6°C (21°F)
Max Temperature
1°C (34°F)
Chance of Rain
53%
Precipitation
94 mm (3.7 in)
Rainy days
16 days
Humidity
79% *
Sunshine
0 hours *
Percentage Sunshine
18% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Reykjahlíð typically stay consistent throughout December, with daily highs averaging around 1°C (34°F). Nights are very cold, with lows typically ranging from -7°C (19°F) to -3°C (27°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 Reykjahlíð in December
Browse day-by-day weather records for Reykjahlíð spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Reykjahlíð historical weather extremes in December
Based on weather observations in Reykjahlíð between 1976 and 2025, these are the recorded extremes during December.
- The warmest day in December was on December 20, 1979, with a maximum of 14°C (57°F).
- Peak precipitation in December occurred on December 10, 2019, when 37 mm (1.5 in) of precipitation was measured.
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 Reykjahlíð in December
We recommend to layer up for chilly conditions in Reykjahlíð 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. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. With limited sunshine expected, sunglasses aren't a priority for packing.What To Do in Reykjahlíð 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 Reykjahlíð's climate page.
Temperature Rainfall Sunshine Humidity
See the full Reykjahlíð climate overview or explore weather in Iceland.
