| Grand Junction Temperature |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
| Avg. Temperature |
25.0 |
34.5 |
43.4 |
52.2 |
62.0 |
72.4 |
78.8 |
76.4 |
67.0 |
54.7 |
40.4 |
28.7 |
53.0 |
| Avg. Max Temperature |
35.5 |
45.4 |
55.6 |
65.8 |
76.0 |
87.7 |
93.6 |
90.5 |
81.1 |
67.7 |
51.4 |
38.7 |
65.8 |
| Avg. Min Temperature |
14.5 |
23.5 |
31.3 |
38.5 |
47.9 |
57.1 |
63.9 |
62.2 |
52.8 |
41.6 |
29.4 |
18.7 |
40.1 |
| Days with Max Temp of 90 F or Higher |
0.0 |
0.0 |
0.0 |
0.0 |
1.0 |
14.0 |
24.0 |
20.0 |
4.0 |
0.0 |
0.0 |
0.0 |
64.0 |
| Days with Min Temp Below Freezing |
30.0 |
25.0 |
17.0 |
7.0 |
< 0.5 |
0.0 |
0.0 |
0.0 |
< 0.5 |
4.0 |
21.0 |
30.0 |
132 |
| | |
| Grand Junction Heating and Cooling |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
| Heating Degree Days |
1240 |
854 |
670 |
389 |
132 |
13.0 |
0.0 |
0.0 |
55.0 |
332 |
738 |
1125 |
5548 |
| Cooling Degree Days |
0.0 |
0.0 |
0.0 |
0.0 |
39.0 |
235 |
428 |
353 |
115 |
13.0 |
0.0 |
0.0 |
1183 |
| | |
| Grand Junction Precipitation |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
| Precipitation (inches) |
0.6 |
0.5 |
0.9 |
0.8 |
0.9 |
0.5 |
0.7 |
0.8 |
0.8 |
1.0 |
0.7 |
0.6 |
8.6 |
| Days with Precipitation 0.01 inch or More |
7.0 |
6.0 |
8.0 |
7.0 |
6.0 |
4.0 |
5.0 |
7.0 |
6.0 |
6.0 |
6.0 |
6.0 |
73.0 |
| Monthly Snowfall (inches) |
6.9 |
4.0 |
3.7 |
1.1 |
0.1 |
< 0.05 |
0.0 |
< 0.05 |
0.1 |
0.5 |
2.7 |
5.1 |
24.2 |
| | |
| Other Grand Junction Weather Indicators |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
| Average Wind Speed |
5.7 |
6.7 |
8.4 |
9.4 |
9.6 |
9.8 |
9.4 |
9.1 |
9.0 |
7.9 |
6.8 |
6.0 |
8.2 |
| Clear Days |
9.0 |
8.0 |
8.0 |
8.0 |
10.0 |
15.0 |
14.0 |
13.0 |
16.0 |
15.0 |
11.0 |
10.0 |
136 |
| Partly Cloudy Days |
7.0 |
7.0 |
8.0 |
9.0 |
11.0 |
9.0 |
11.0 |
11.0 |
8.0 |
8.0 |
7.0 |
8.0 |
106 |
| Cloudy Days |
15.0 |
13.0 |
15.0 |
13.0 |
11.0 |
6.0 |
6.0 |
6.0 |
5.0 |
8.0 |
12.0 |
13.0 |
122 |
| Percent of Possible Sunshine |
61.0 |
65.0 |
65.0 |
70.0 |
73.0 |
81.0 |
79.0 |
77.0 |
79.0 |
74.0 |
63.0 |
61.0 |
71.0 |
| Avg. Relative Humidity |
56.5 |
68.0 |
56.0 |
46.5 |
41.0 |
34.5 |
33.5 |
36.5 |
38.0 |
42.5 |
52.5 |
62.0 |
60.5 |