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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Saint Regis, MT
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May
Average Temperature
High
19°
Feels 18
Low
4°
Feels 3
Average Precipitation
5 Days
Rain amount
14.2mm
Snow amount
0.2cm
Daily Historical Averages
May 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
16°
21
15°
22
18°
23
21°
24
19°
25
25°
26
9°
27
14°
28
16°
29
16°
30
17°
31
17°
Forecast
Wednesday, May 20, 2026
Day
16°
Feels 16
Wind
18 km/h W
Gust
27 km/h
Humidity
41%
P.O.P
40%
Rain
<1 mm
Night
2°
Feels 1
Wind
13 km/h W
Gust
23 km/h
Humidity
100%
P.O.P
60%
Rain
1-3 mm
Historical Averages
May 20
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.