Reykjavik Weather: December
 |
Average Day Temperature: | 31.3°F |
|
Average Night Temperature: | 29.2°F |
|
Sea Water Temperature: | 37.5°F |
|
Number of Sunny Days: | 6 days |
| Sunshine Hours: | 4.1 - 5.0 hours | |
|
Number of Rainy Days: | 6 days |
| Precipitation Totals: | 4.1 in | |
|
Number of Snowy Days: | 2 days |
| detailed information | ||
forecast
| Reykjavik |
Temperature
| Reykjavik |
Air Temperature in December, °F
The highest day temperature in December 2025 was 46°F. The lowest night temperature was 29°F. The average values for day and night temperatures during December were 37.4°F и 37.2°F respectivly.
Reykjavik Water Sea Temperature in December, °F
The average sea surface temperature in December 2025 for Reykjavik was 39.0°F. The maximum and minimum values were 38.0°F and 40.8°F respectively.
Most of the days in December are gloomy but you can also expect sunny days.
Precipitation Totals in December, in
Precipitation total in December for Reykjavik is 4.1 in.
The average wind speed in December is 15.3 mph. It makes December one of the most windy months of the year for Reykjavik.
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Reykjavik in December is 1.7 hours.
Reykjavik on the Weather Map
| 0300 |  |
20°F | SW 7 mph |
| 0600 | |
20°F | SW 6 mph |
| 0900 | |
20°F | SW 6 mph |
| 1200 |  |
20°F | SW 6 mph |
| 1500 | |
22°F | SW 6 mph |
| 1800 | |
20°F | SW 6 mph |
| 2100 | |
20°F | SW 6 mph |
| 0000 | |
18°F | SW 8 mph |