Reykjavík weather in December (Capital Region, Iceland)

Planning a trip to Reykjavík in December? Check out this comprehensive weather guide.

In December, the weather in Reykjavík typically experiences low temperatures and high snow/rainfall. December falls within the winter season. Anticipate daytime temperatures around 4°C (show in °F), while night temperatures can drop to -2°C. The month is chilly, so ensure you're equipped and dress warmly. Preparation becomes key in these temperatures.

Reykjavík in December usually receives high snow/rainfall, averaging around 138 mm (show in inches) for the month. Typically around 19 days of snow/rainfall is expected.

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 prefer dry weather with pleasant temperatures, December may not be the ideal month to visit Reykjavík. June and July typically offer the most favorable weather. In contrast, January, February, March, April, September, October, November and December tend to have less favorable conditions.

For an in-depth look at the yearly weather and climate conditions, visit our specialized Reykjavík climate page with graphs.


Reykjavík, monthly averages in December

Show in Fahrenheit
Min Temperature -2.3°C  
Max Temperature 3.6°C  
Water Temperature 7°C  
Chance of Rain 65%  
Precipitation 138 mm  
Rainy days 19 days  
Humidity 79%  
Windspeed 22 km/h  
Sunshine 20 hours  
Percentage Sunshine 15%  

Where to go in Iceland in December

Find out more about the weather in Iceland in December and which places have the best weather conditions in this month.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20-29ºC / 68-84ºF and not too much precipitation (less than 90mm / 3.5inches a month).

So, what should you wear in Reykjavík in December?

​ Wear a base layer in cold weather; this is the #1 thing you can do to increase your overall body temperature. ​ With a water temperature of around 7°C there is no need to bring your swimwear. ​

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in December.

Outdoor sports

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Reykjavík.

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 climate conditions. Find out where to go with our weather planner.