Ísafjörður Weather in December
What's the weather like in Ísafjörður (Westfjords) in December 2025?
The climate in Ísafjörður during December can be summarized as cold and a little damp.
December is in the winter in Ísafjörður and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a freezing -1°C (30°F), whilst at night -6°C (22°F) is normal.
| Daytime temperature | -1.1°C 30.1°F |
|---|---|
| Nightly temperature | -5.8°C 21.7°F |
| Average temperature | -3.4°C 25.9°F |
| Daily sunshine | 0.2 hrs |
| Avg rainfall | 95 mm 3.7 ins |
| Rainy days | 22 days |
| Sea temperature | 4.1°C 39.5°F |
| Humidity | 77% |
| Windspeed | 23.4kph 15 mph |
On average December is the 4th wettest month of the year in Ísafjörður with around 95mm 3.7 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 22 days, although this may vary considerably.
On the flip side this corresponds to an average of 0.2 hours of sunshine per day.
December temperatures in Ísafjörður
December rainfall
December hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Ísafjörður in December 2025.
Other monthly averages
Best places to visit in December
Ísafjörður weather stats
| Hottest month: | July | 9.9°C 49.8°F |
|---|---|---|
| Driest month: | May | 46mm 1.8ins |
| Sunniest month: | May | 2.9hrs |
| Coldest month: | January | -1.5°C 29.3°F |
| Wettest month: | October | 118mm 4.6ins |
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