Monthly Historical AveragesLake St. Peter, ON

Average Temperature
High
18°
Feels 18
Low
4°
Feels 3
Average Precipitation
11 Days
Rain amount
71.2mm
Snow amount
0.8cm
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Daily Historical Averages

S
M
T
W
T
F
S
ForecastMonday, May 18, 2026
Day
Risk of strong thunderstorms
26°Feels 32
Wind
21 km/h SW
Gust
53 km/h
Humidity
57%
P.O.P
100%
Rain
~5 mm
Night
Risk of strong thunderstorms
18°Feels 18
Wind
19 km/h SW
Gust
45 km/h
Humidity
94%
P.O.P
60%
Rain
2-4 mm
Historical AveragesMay 18
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.
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