Lewistown 11ESE, Montana
ID: USC00244979 Latitude: 47.0069 Longitude: -109.2231
Elevation: 5027.9 feet (1532.5 meters)
Source: NOAA Climate Normals 1991-2020
Precipitation Total: 20.95 in., 8.25 cm.
Monthly Data Table for Lewistown 11ESE, 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 |
33.4 |
29.6 |
41.4 |
48.0 |
57.3 |
68.0 |
79.3 |
77.9 |
67.6 |
51.8 |
41.0 |
31.5 |
Minimum Temperature |
°F |
16.6 |
13.1 |
22.3 |
28.3 |
38.2 |
46.3 |
54.3 |
53.8 |
45.2 |
33.5 |
24.4 |
16.0 |
Heating Degree Days |
°F |
1240.5 |
1221.5 |
1028.1 |
805.4 |
535.5 |
248.3 |
61.2 |
85.9 |
295.9 |
696.3 |
969.1 |
1278.1 |
Cooling Degree Days |
°F |
0.0 |
0.0 |
0.0 |
0.1 |
0.6 |
12.9 |
116.6 |
112.0 |
37.7 |
3.6 |
0.0 |
0.0 |
Precipitation |
I |
0.8 |
1.1 |
1.2 |
2.5 |
4.6 |
3.4 |
1.5 |
1.9 |
1.9 |
1.9 |
1.0 |
0.9 |
Metric Units
Statistic |
Units |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Maximum Temperature |
°C |
0.8 |
-1.3 |
5.2 |
8.9 |
14.1 |
20.0 |
26.3 |
25.5 |
19.8 |
11.0 |
5.0 |
-0.3 |
Minimum Temperature |
°C |
-8.6 |
-10.5 |
-5.4 |
-2.1 |
3.4 |
7.9 |
12.4 |
12.1 |
7.3 |
0.8 |
-4.2 |
-8.9 |
Heating Degree Days |
°C |
671.4 |
660.8 |
553.4 |
429.7 |
279.7 |
120.2 |
16.2 |
29.9 |
146.6 |
369.1 |
520.6 |
692.3 |
Cooling Degree Days |
°C |
-17.8 |
-17.8 |
-17.8 |
-17.7 |
-17.4 |
-10.6 |
47.0 |
44.4 |
3.2 |
-15.8 |
-17.8 |
-17.8 |
Precipitation |
M |
2.2 |
2.8 |
3.0 |
6.4 |
11.6 |
8.5 |
3.8 |
4.8 |
4.8 |
4.7 |
2.6 |
2.2 |