Yes

you do need a jacket based on the weather in Victoria, BC, Canada 1 second ago

Why? Because the drizzle is not enough rain to call it "raining," but enough to make you a little soggy and it's cool enough your breath is visible, but your nose isn’t red yet!
44°F7°C & Drizzle

Wind is 4 mph7 km/h from the Southeast, gusting to 6 mph10 km/h
December 27
10pm44°F7°C4 mph7 km/h EastDrizzle
11pm44°F7°C6 mph10 km/h EastDrizzle
December 28
12am44°F7°C7 mph11 km/h EastDrizzle
1am45°F7°C7 mph12 km/h SoutheastDrizzle
2am45°F7°C8 mph13 km/h SoutheastMostly Cloudy
3am45°F7°C7 mph11 km/h SoutheastMostly Cloudy
4am44°F7°C7 mph12 km/h SoutheastPartly Cloudy
5am44°F6°C7 mph11 km/h SoutheastDrizzle
6am44°F6°C6 mph9 km/h SoutheastDrizzle
7am43°F6°C6 mph9 km/h SoutheastRain
8am43°F6°C6 mph9 km/h SoutheastRain
9am43°F6°C6 mph10 km/h SouthDrizzle
DateLowHighWindDayNight
December 2744°F7°C47°F8°C4 mph6 km/h from NortheastDrizzleRain
December 2843°F6°C49°F9°C13 mph20 km/h from SouthwestDrizzleRain
December 2942°F5°C45°F7°C7 mph11 km/h from WestRainMostly Cloudy
December 3039°F4°C45°F7°C7 mph11 km/h from SouthDrizzleMostly Cloudy
December 3139°F4°C44°F7°C6 mph10 km/h from EastCloudyDrizzle
January 141°F5°C45°F7°C11 mph18 km/h from EastRainDrizzle
January 241°F5°C47°F8°C6 mph9 km/h from NortheastDrizzleRain

Yes

Low of 43°F6°C, High of 49°F10°C
Wind: 13 mph20 km/h
Precipitation: 81% rain

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