Transit Desk

Climate

Weather in Iceland in December

Weather in Iceland, December
In December, Iceland sees average highs of 1.5°C (35°F) and lows of -2.9°C (27°F), with around 129 mm of rain.

Iceland — December

Iceland December
Daytime high
1.5°C (35°F)
Overnight low
-2.9°C (27°F)
Rainfall
129 mm
Best-time rank
Off-peak

How December compares

Iceland, December vs. the annual average (2025)
This month1.5°C (35°F) / -2.9°C (27°F) · 129 mm
Yearly average6.9°C (44°F) / 2.4°C (36°F) · 132 mm

December in Iceland runs 5.4°C (9.7°F) cooler than the yearly average, and is close to the yearly average rainfall. Pack winter clothing — it will be cold, and something waterproof — this is a wetter month.

Common questions

What is the weather like in Iceland in December?

Average highs of 1.5°C (35°F) and lows of -2.9°C (27°F), with around 129 mm of rain.

Is December a good time to visit Iceland?

It is an off-peak month for comfort in Iceland; June, July, August tend to be more pleasant.

Updated climate normals, 2025