Monthly Historical AveragesSt Catharines, ON

Average Temperature
High
27°
Feels 28
Low
18°
Feels 18
Average Precipitation
13 Days
Rain amount
86.2mm
Snow amount
0cm
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Daily Historical Averages

S
M
T
W
T
F
S
ForecastFriday, July 17, 2026
Day
Mainly sunny
25°Feels 31
Wind
15 km/h E
Gust
27 km/h
Humidity
57%
P.O.P
20%
Night
Smoke
21°Feels 23
Wind
21 km/h S
Gust
35 km/h
Humidity
94%
P.O.P
30%
Historical AveragesJul 17
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.
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