| Grand Junction Temperature |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
| Avg. Temperature |
-3.9 |
1.4 |
6.3 |
11.2 |
16.7 |
22.4 |
26.0 |
24.7 |
19.4 |
12.6 |
4.7 |
-1.8 |
11.7 |
| Avg. Max Temperature |
1.9 |
7.4 |
13.1 |
18.8 |
24.4 |
30.9 |
34.2 |
32.5 |
27.3 |
19.8 |
10.8 |
3.7 |
18.8 |
| Avg. Min Temperature |
-9.7 |
-4.7 |
-0.4 |
3.6 |
8.8 |
13.9 |
17.7 |
16.8 |
11.6 |
5.3 |
-1.4 |
-7.4 |
4.5 |
| Days with Max Temp of 32 C 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 |