Yes
you do need a jacket based on the weather in Reykjavík, Iceland 1 second ago
Why? Because it's colder than cold. Water will freeze.
27°F-3°C & Cloudy
Wind is 9 mph14 km/h from the E, gusting to 14 mph23 km/h
| December 3 | ||||
| 7am | 28°F-2°C | 9 mph15 km/h E | Cloudy | |
| 8am | 29°F-2°C | 10 mph16 km/h E | Cloudy | |
| 9am | 29°F-1°C | 10 mph16 km/h E | Cloudy | |
| 10am | 30°F-1°C | 10 mph16 km/h E | Cloudy | |
| 11am | 31°F-1°C | 10 mph17 km/h E | Cloudy | |
| 12pm | 30°F-1°C | 11 mph17 km/h E | Flurries | |
| 1pm | 30°F-1°C | 11 mph17 km/h E | Cloudy | |
| 2pm | 30°F-1°C | 11 mph17 km/h E | Cloudy | |
| 3pm | 30°F-1°C | 11 mph18 km/h E | Cloudy | |
| 4pm | 29°F-2°C | 11 mph17 km/h E | Cloudy | |
| 5pm | 29°F-2°C | 11 mph18 km/h E | Cloudy | |
| 6pm | 29°F-2°C | 11 mph18 km/h E | Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| December 2 | 23°F-5°C | 31°F-1°C | 9 mph15 km/h from E | Snow | Cloudy |
| December 3 | 27°F-3°C | 34°F1°C | 13 mph21 km/h from E | Mostly Cloudy | Partly Cloudy |
| December 4 | 28°F-2°C | 32°F0°C | 11 mph18 km/h from E | Mostly Clear | Mostly Clear |
| December 5 | 28°F-2°C | 34°F1°C | 14 mph23 km/h from E | Mostly Clear | Mostly Clear |
| December 6 | 26°F-3°C | 30°F-1°C | 10 mph15 km/h from E | Mostly Clear | Clear |
| December 7 | 25°F-4°C | 29°F-2°C | 8 mph13 km/h from NE | Clear | Mostly Clear |
| December 8 | 25°F-4°C | 29°F-2°C | 7 mph11 km/h from E | Mostly Clear | Mostly Clear |
Yes
Low of 27°F-3°C, High of 34°F1°CWind: 13 mph21 km/h
Precipitation: 21% snow