Weather Averages for Big Sandy, MT
7-day Forecast / 10-day Forecast
| Monday |
|
High: 44°F Low: 24°F |
Partly Cloudy |
|
| Tuesday |
|
High: 34°F Low: 26°F |
Patchy light snow |
|
| Wednesday |
|
High: 33°F Low: 16°F |
Sunny |
|
| Thursday |
|
High: 35°F Low: 16°F |
Sunny |
|
| Friday |
|
High: 36°F Low: 23°F |
Partly Cloudy |
|
Average temperature over 78 years |
°F |
43 |
15 |
21 |
32 |
44 |
55 |
62 |
69 |
68 |
57 |
46 |
30 |
19 |
Average high temperature over 78 years |
°F |
58 |
28 |
34 |
44 |
59 |
70 |
77 |
87 |
86 |
74 |
62 |
43 |
32 |
Average low temperature over 78 years |
°F |
29 |
3 |
9 |
19 |
30 |
40 |
47 |
52 |
50 |
40 |
31 |
17 |
8 |
Average precipitation over 78 years |
in |
13.2 |
0.7 |
0.4 |
0.5 |
0.9 |
2.2 |
2.7 |
1.4 |
1.3 |
1.3 |
0.7 |
0.5 |
0.6 |
Average snowfall over 78 years |
in |
21.8 |
4.2 |
3.5 |
4.3 |
0.7 |
0.1 |
- |
- |
- |
0.2 |
0.7 |
3.6 |
4.6 |
Average snow cover over 78 years |
in |
1.0 |
2.0 |
2.0 |
1.0 |
- |
- |
- |
- |
- |
- |
- |
1.0 |
2.0 |
Heating degree days over 30 years |
days |
7931 |
1500 |
1156 |
973 |
591 |
294 |
111 |
15 |
53 |
264 |
543 |
1014 |
1417 |
Cooling degree days over 30 years |
days |
524 |
- |
- |
- |
6 |
8 |
93 |
185 |
187 |
45 |
- |
- |
- |
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