Your holiday weather, at a glance

Iceland in December: where is it warmest?

In December, Grindavík is the warmest place with 3 °C by day, Akureyri the coolest with −1 °C. 0 of 5 destinations have good holiday weather.

All destinations in December, warmest first

Long-term averages for the month: daytime high, sea, sunshine and rainy days.

PlaceScoreAirSeaSunRain days
Grindavík13°7°0 h17
Hafnarfjörður11°6°0 h17
Ísafjörður01°4°0 h20
Reykjavík20°6°0 h17
Akureyri0−1°5°0 h18

Iceland in December: quick answers

Iceland in December: where is it warmest?

The warmest places in December are Grindavík (3 °C), Hafnarfjörður (1 °C) and Ísafjörður (1 °C).

Iceland in December: where is the sea warmest?

The sea is warmest at Grindavík (7 °C), Hafnarfjörður (6 °C) and Reykjavík (6 °C).

Iceland in December: where is the weather best?

The best holiday weather in December – warm, sunny and dry – is in Reykjavík, Grindavík and Hafnarfjörður.

Iceland month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences