Monthly Historical AveragesSisters Island, BC
Average Temperature
High
7°
Feels 5
Low
5°
Feels 0
Average Precipitation
17 Days
143.8mm
5cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastTuesday, December 30, 2025
Day
6°Feels 6
Wind
6 km/h NW
Gust
9 km/h
Humidity
81%
P.O.P
30%
Night
4°Feels 2
Wind
10 km/h SE
Gust
15 km/h
Humidity
93%
P.O.P
30%
Historical AveragesDec 30
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity