Yes
you do need a jacket based on the weather in Vantaa (Myyrmäki), Uusimaa, Finland 1 second ago
Why? Because it's cold enough to freeze the brass off a bald monkey and it's so windy, your hat is now someone else's problem, two cities away!
27°F-3°C & Mostly Clear
Wind is 12 mph20 km/h from the Northwest, gusting to 27 mph43 km/h
| December 12 | ||||
| 7am | 26°F-3°C | 13 mph21 km/h Northwest | Mostly Clear | |
| 8am | 26°F-3°C | 13 mph21 km/h Northwest | Mostly Clear | |
| 9am | 26°F-4°C | 13 mph21 km/h North | Partly Cloudy | |
| 10am | 25°F-4°C | 12 mph20 km/h North | Clear | |
| 11am | 24°F-4°C | 11 mph18 km/h Northwest | Mostly Clear | |
| 12pm | 24°F-4°C | 11 mph18 km/h Northwest | Mostly Clear | |
| 1pm | 23°F-5°C | 11 mph18 km/h Northwest | Clear | |
| 2pm | 23°F-5°C | 11 mph17 km/h Northwest | Clear | |
| 3pm | 23°F-5°C | 11 mph17 km/h Northwest | Clear | |
| 4pm | 22°F-5°C | 10 mph17 km/h Northwest | Clear | |
| 5pm | 22°F-6°C | 10 mph16 km/h Northwest | Clear | |
| 6pm | 22°F-6°C | 9 mph15 km/h Northwest | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| December 11 | 22°F-6°C | 27°F-3°C | 11 mph18 km/h from Northwest | Mostly Clear | Mostly Clear |
| December 12 | 19°F-7°C | 32°F0°C | 5 mph8 km/h from West | Snow | Snow |
| December 13 | 31°F-1°C | 37°F3°C | 7 mph11 km/h from South | Rain | Snow |
| December 14 | 16°F-9°C | 34°F1°C | 10 mph17 km/h from North | Snow | Snow |
| December 15 | 20°F-7°C | 35°F2°C | 9 mph15 km/h from Southwest | Snow | Partly Cloudy |
| December 16 | 30°F-1°C | 34°F1°C | 10 mph17 km/h from West | Partly Cloudy | Mostly Cloudy |
| December 17 | 21°F-6°C | 33°F0°C | 10 mph16 km/h from Northwest | Partly Cloudy | Partly Cloudy |
Yes
Low of 19°F-8°C, High of 32°F0°CWind: 5 mph8 km/h
Precipitation: 47% snow