Keflavík weather in December (Reykjanes, Iceland)
How does the December weather in Keflavík compare to other months? Wondering about the weather this month? Our guide has all the details you need.
Temperatures
During December, Keflavík usually has low temperatures and high rainfall. Expect daytime highs to reach approximately 5°C, with nighttime lows dipping to around 1°C.
Precipitation
Keflavík in December usually receives high rainfall, averaging around 139 mm for the month. When we look at the climate data from the last 30 years, you can expect around 20 days of rain.Average sunshine
The area experiences limited sunny days, amounting to roughly 20 hours of sunshine. This makes it perfect for those who lean towards cooler, cloudier settings rather than intense sunlit days.If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit Keflavík. July typically offers the best circumstances. While January, February, March, April, May, August, September, October, November and December tend to showcase less optimal conditions.
For an in-depth look at the yearly conditions, visit our specialized Keflavík climate page with graphs.
Keflavík, monthly averages in December
Min Temperature
1°C
Max Temperature
5°C
Chance of Rain
67%
Precipitation
139 mm
Rainy days
20 days
Humidity
79% *
Sunshine
20 hours *
Percentage Sunshine
15% *
Where to go in Iceland in December
Find out more about the weather in Iceland and which places have the best travel conditions in this month.
perfect weather
pleasant
tolerable
unpleasant
poor
So, what should you wear in this month?
Wear a base layer in cold weather; this is the #1 thing you can do to increase your overall body temperature.What To Do
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Interested in more climate information?
This site provides you with all the information you need about the climate in Keflavík.
Our site offers climate and forecast data for every country in the world. Are you going to Iceland? On this website you can find historical weather averages for many cities in Iceland. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.
