Monthly Historical AveragesGrand Island, ON
Average Temperature
High
-1°
Feels -4
Low
-8°
Feels -14
Average Precipitation
7 Days
12.3mm
14cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastThursday, December 25, 2025
Day
-1°Feels -6
Wind
24 km/h N
Gust
36 km/h
Humidity
62%
P.O.P
30%
Night
-16°Feels -24
Wind
15 km/h E
Gust
23 km/h
Humidity
72%
P.O.P
20%
Historical AveragesDec 25
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity