Boulder, Montana
ID: USC00241008 Latitude: 46.2311 Longitude: -112.1139
Elevation: 4903.9 feet (1494.7 meters)
Source: NOAA Climate Normals 1991-2020
Precipitation Total: 10.80 in., 4.25 cm.
Monthly Data Table for Boulder, Montana
Monthly Data from NOAA Monthly Normals 2006-2020
Imperial Units
Statistic |
Units |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Maximum Temperature |
°F |
36.2 |
36.7 |
46.7 |
54.7 |
63.8 |
72.9 |
83.9 |
82.0 |
71.8 |
57.0 |
43.2 |
33.0 |
Minimum Temperature |
°F |
13.2 |
13.8 |
21.6 |
26.8 |
35.1 |
42.9 |
49.1 |
46.3 |
38.3 |
28.2 |
19.4 |
10.6 |
Heating Degree Days |
°F |
1249.5 |
1112.8 |
956.5 |
727.4 |
482.5 |
226.9 |
46.4 |
79.0 |
305.8 |
694.7 |
1011.0 |
1338.9 |
Cooling Degree Days |
°F |
0.0 |
0.0 |
0.0 |
0.0 |
0.4 |
13.9 |
92.7 |
52.6 |
7.2 |
0.4 |
0.0 |
0.0 |
Precipitation |
I |
0.4 |
0.4 |
0.5 |
0.9 |
2.3 |
2.7 |
1.3 |
1.2 |
1.6 |
1.0 |
0.6 |
0.5 |
Metric Units
Statistic |
Units |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Maximum Temperature |
°C |
2.3 |
2.6 |
8.2 |
12.6 |
17.7 |
22.7 |
28.8 |
27.8 |
22.1 |
13.9 |
6.2 |
0.6 |
Minimum Temperature |
°C |
-10.4 |
-10.1 |
-5.8 |
-2.9 |
1.7 |
6.1 |
9.5 |
7.9 |
3.5 |
-2.1 |
-7.0 |
-11.9 |
Heating Degree Days |
°C |
676.4 |
600.4 |
513.6 |
386.3 |
250.3 |
108.3 |
8.0 |
26.1 |
152.1 |
368.2 |
543.9 |
726.1 |
Cooling Degree Days |
°C |
-17.8 |
-17.8 |
-17.8 |
-17.8 |
-17.6 |
-10.1 |
33.7 |
11.4 |
-13.8 |
-17.6 |
-17.8 |
-17.8 |
Precipitation |
M |
1.0 |
1.0 |
1.3 |
2.4 |
5.9 |
7.0 |
3.3 |
3.1 |
4.0 |
2.6 |
1.6 |
1.1 |