CLIMATE CHARTS
Harlem, Montana
Latitude: 48.2383 Longitude: -108.6775
Elevation: 2694.9 feet (821.4 meters)
Monthly Data Table for Harlem, Montana
Imperial Units
Statistic |
Units |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Maximum Temperature |
°F |
31.6 |
34.7 |
44.8 |
57.8 |
66.2 |
75.8 |
84.5 |
84.0 |
72.4 |
59.4 |
43.9 |
33.3 |
Minimum Temperature |
°F |
2.1 |
6.6 |
16.3 |
25.1 |
33.0 |
38.7 |
44.9 |
41.6 |
32.0 |
24.3 |
15.0 |
6.1 |
Heating Degree Days |
°F |
1493 |
1242 |
1068 |
707 |
481 |
252 |
95 |
140 |
394 |
718 |
1066 |
1404 |
Cooling Degree Days |
°F |
0 |
0 |
0 |
0 |
3 |
19 |
85 |
72 |
10 |
0 |
0 |
0 |
Precipitation |
in. |
0.46 |
0.35 |
0.62 |
1.30 |
2.40 |
2.57 |
1.60 |
1.18 |
1.25 |
0.77 |
0.46 |
0.48 |
Metric Units
Statistic |
Units |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Maximum Temperature |
°C |
-0.2 |
1.5 |
7.1 |
14.3 |
19.0 |
24.3 |
29.2 |
28.9 |
22.4 |
15.2 |
6.6 |
0.7 |
Minimum Temperature |
°C |
-16.6 |
-14.1 |
-8.7 |
-3.8 |
0.6 |
3.7 |
7.2 |
5.3 |
0.0 |
-4.3 |
-9.4 |
-14.4 |
Heating Degree Days |
°C |
829 |
690 |
593 |
393 |
267 |
140 |
53 |
78 |
219 |
399 |
592 |
780 |
Cooling Degree Days |
°C |
0 |
0 |
0 |
0 |
2 |
11 |
47 |
40 |
6 |
0 |
0 |
0 |
Precipitation |
cm. |
1.17 |
0.89 |
1.57 |
3.30 |
6.10 |
6.53 |
4.06 |
3.00 |
3.17 |
1.96 |
1.17 |
1.22 |