CLIMATE CHARTS
St Mary, Montana
Latitude: 48.7383 Longitude: -113.4294
Elevation: 4560 feet (1389.9 meters)
Monthly Data Table for St Mary, Montana
Imperial Units
Statistic |
Units |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Maximum Temperature |
°F |
32.2 |
35.7 |
41.7 |
50.9 |
60.4 |
68.1 |
77.6 |
77.8 |
66.4 |
53.2 |
37.9 |
31.3 |
Minimum Temperature |
°F |
14.7 |
16.8 |
21.9 |
28.1 |
35.8 |
41.8 |
47.1 |
45.5 |
38.6 |
32.5 |
23.2 |
15.2 |
Heating Degree Days |
°F |
1288 |
1085 |
1029 |
765 |
525 |
307 |
126 |
144 |
380 |
687 |
1033 |
1294 |
Cooling Degree Days |
°F |
0 |
0 |
0 |
0 |
1 |
6 |
44 |
40 |
5 |
0 |
0 |
0 |
Precipitation |
in. |
2.20 |
1.95 |
1.69 |
1.93 |
2.88 |
3.37 |
1.53 |
1.63 |
2.18 |
2.05 |
2.47 |
2.21 |
Metric Units
Statistic |
Units |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Maximum Temperature |
°C |
0.1 |
2.1 |
5.4 |
10.5 |
15.8 |
20.1 |
25.3 |
25.4 |
19.1 |
11.8 |
3.3 |
-0.4 |
Minimum Temperature |
°C |
-9.6 |
-8.4 |
-5.6 |
-2.2 |
2.1 |
5.4 |
8.4 |
7.5 |
3.7 |
0.3 |
-4.9 |
-9.3 |
Heating Degree Days |
°C |
716 |
603 |
572 |
425 |
292 |
171 |
70 |
80 |
211 |
382 |
574 |
719 |
Cooling Degree Days |
°C |
0 |
0 |
0 |
0 |
1 |
3 |
24 |
22 |
3 |
0 |
0 |
0 |
Precipitation |
cm. |
5.59 |
4.95 |
4.29 |
4.90 |
7.32 |
8.56 |
3.89 |
4.14 |
5.54 |
5.21 |
6.27 |
5.61 |