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The tables below display average monthly climate and weather indicators in Glasgow Montana.
Temperature by: Fahrenheit / Centigrade
| Glasgow Temperature |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
| Avg. Temperature |
-11.9 |
-8.1 |
-1.4 |
6.8 |
12.8 |
18.0 |
21.6 |
20.8 |
14.1 |
7.8 |
-1.6 |
-9.3 |
5.8 |
| Avg. Max Temperature |
-6.7 |
-2.7 |
4.3 |
13.6 |
19.6 |
25.3 |
29.3 |
28.6 |
21.3 |
14.8 |
4.2 |
-3.9 |
12.3 |
| Avg. Min Temperature |
-17.1 |
-13.4 |
-7.2 |
0.0 |
5.8 |
10.7 |
13.7 |
12.9 |
6.7 |
0.7 |
-7.3 |
-14.7 |
-0.8 |
| Days with Max Temp of 32 C or Higher |
0.0 |
0.0 |
0.0 |
< 0.5 |
1.0 |
3.0 |
9.0 |
9.0 |
2.0 |
< 0.5 |
0.0 |
0.0 |
24.0 |
| Days with Min Temp Below Freezing |
31.0 |
28.0 |
28.0 |
16.0 |
3.0 |
0.0 |
0.0 |
0.0 |
2.0 |
13.0 |
27.0 |
31.0 |
178 |
| | |
| Glasgow Heating and Cooling |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
| Heating Degree Days |
1686 |
1330 |
1104 |
621 |
322 |
121 |
19.0 |
71.0 |
267 |
586 |
1074 |
1544 |
8745 |
| Cooling Degree Days |
0.0 |
0.0 |
0.0 |
0.0 |
12.0 |
103 |
199 |
208 |
36.0 |
0.0 |
0.0 |
0.0 |
558 |
| | |
| Glasgow Precipitation |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
| Precipitation (inches) |
0.4 |
0.3 |
0.4 |
0.7 |
1.8 |
2.1 |
1.7 |
1.4 |
1.0 |
0.6 |
0.3 |
0.4 |
11.0 |
| Days with Precipitation 0.01 inch or More |
8.0 |
6.0 |
7.0 |
7.0 |
10.0 |
11.0 |
8.0 |
7.0 |
6.0 |
5.0 |
6.0 |
8.0 |
91.0 |
| Monthly Snowfall (inches) |
6.6 |
4.1 |
4.1 |
2.6 |
0.6 |
< 0.05 |
< 0.05 |
< 0.05 |
0.2 |
1.2 |
3.8 |
5.6 |
28.8 |
| | |
| Other Glasgow Weather Indicators |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
| Average Wind Speed |
9.9 |
10.1 |
11.2 |
12.3 |
12.0 |
11.1 |
10.5 |
10.9 |
10.9 |
10.6 |
9.5 |
9.8 |
10.7 |
| Clear Days |
5.0 |
5.0 |
5.0 |
5.0 |
6.0 |
7.0 |
12.0 |
12.0 |
9.0 |
8.0 |
6.0 |
5.0 |
86.0 |
| Partly Cloudy Days |
7.0 |
7.0 |
9.0 |
8.0 |
11.0 |
12.0 |
12.0 |
11.0 |
9.0 |
9.0 |
7.0 |
8.0 |
111 |
| Cloudy Days |
18.0 |
16.0 |
17.0 |
16.0 |
15.0 |
11.0 |
7.0 |
8.0 |
11.0 |
15.0 |
17.0 |
18.0 |
168 |
| Avg. Relative Humidity |
55.0 |
76.0 |
75.0 |
66.5 |
58.0 |
58.0 |
56.5 |
51.5 |
51.5 |
56.0 |
63.0 |
71.5 |
75.0 |
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