Monthly Historical AveragesSaint Marys, CO
Average Temperature
High
9°
Feels 7
Low
-1°
Feels -6
Average Precipitation
15 Days
383.7mm
298cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastMonday, May 18, 2026
Day
2°Feels 2
Wind
15 km/h E
Gust
23 km/h
Humidity
78%
P.O.P
90%
Snow
~10 cm
Night
-8°Feels -13
Wind
11 km/h S
Gust
16 km/h
Humidity
99%
P.O.P
60%
Snow
~1 cm
Historical AveragesMay 18
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity