Reykjavik Weather in December
In December, Reykjavik averages a high of 3°C (37°F) and a low of -2°C (29°F), based on 55 years of historical weather data from REYKJAVIK.
3°C
Average high
37°F
-2°C
Average low
29°F
22°C
Record high
72°F · 2008
-15°C
Record low
5°F · 2022
What to Expect in Reykjavik in December
Typical December days in Reykjavik reach 3°C (37°F) during the afternoon and cool to around -2°C (29°F) overnight. On average, measurable rain falls on about 67% of days this month. Over the past 55 years, December temperatures in Reykjavik have ranged from a record high of 22°C (2008) down to a record low of -15°C (2022).
For a day-by-day look or other months, see the full Reykjavik weather history.