Akranes Weather in December
During December, Akranes experiences low daytime temperatures of 4°C (39°F) and cooler nights around -2°C (28°F). As part of the winter season, expect quite a bit of snow/rainfall. Around 135 mm (5.3 in) is typical.
Rainfall in Akranes in December
You can typically expect 19 days of snow/rain this month, averaging around 135 mm (5.3 in). This is a wet month with frequent and often heavy showers. Both the number of rain days and the total rainfall are high.
Temperature in Akranes in December
Expect highs of 4°C (39°F) in Akranes in December, with nights dropping to around -2°C (28°F). During December, the winter season is in full swing. Even daytime conditions remain cold, making layers, a warm coat, and winter accessories a good idea. Nights are well below freezing at -2°C (28°F). An extra blanket is a good idea if you feel the cold, especially in older or less well-heated accommodation. Prepare for low temperatures this month by wearing plenty of layers. It's essential to stay warm in such cold conditions.
Sunshine in Akranes in December
This month sees fewer sunny days, with about 20 hours of sunshine, perfect for those who enjoy cooler temperatures.
Wind Speed in Akranes in December
Wind speeds average 6 m/s (12 knots) during December. At this speed, expect strong winds that make large branches move and create some resistance when walking. Since this is an average, some days have fresh winds while others have strong breezes that can make umbrellas tricky to control.
Average water temperature in December
At 7°C (45°F), the water is too cold for most people to swim comfortably. A wetsuit is pretty much essential if you plan to go in.December in Akranes has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options 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 Akranes's climate page.
Akranes Temperature in December
Min Temperature
-2°C (28°F)
Max Temperature
4°C (39°F)
Water Temperature
7°C (45°F) *
Chance of Rain
63%
Precipitation
135 mm (5.3 in)
Rainy days
19 days
Humidity
79% *
Windspeed
6 m/s (12 knots) *
Sunshine
20 hours *
Percentage Sunshine
15% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Akranes typically stay consistent throughout December, with daily highs averaging around 4°C (39°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 Akranes in December
Browse day-by-day weather records for Akranes spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Akranes historical weather extremes in December
According to our 49 years of weather records for Akranes, the following extremes were recorded between 1976 and 2025.
- On December 14, 1997, temperatures climbed to 11°C (52°F), marking the warmest December day on record.
- The coldest December day was on December 30, 2022, with a maximum of -10°C (14°F).
- Nighttime temperatures dropped to -14°C (7°F) on December 30, 2022, marking the coldest December night on record.
- The wettest December day on record brought 54 mm (2.1 in) of precipitation to Akranes (December 30, 2007).
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
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tolerable
unpleasant
poor
What to Wear in Akranes in December
Cold weather calls for smart layering in December. A thermal base layer makes a huge difference in staying warm. Add a wool sweater or fleece, then a wind-resistant outer jacket. Prepare for significant rainfall with proper waterproof clothing and shoes. With water temperatures around 7°C (45°F), the water is quite cold for swimming. You can skip the swimwear unless you're particularly tough. With limited sunshine expected, sunglasses aren't a priority for packing.What To Do in Akranes 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 Akranes's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Akranes climate overview or explore weather in Iceland.
