Grand Junction
The tables below display average monthly climate and weather indicators in Grand Junction Colorado.
Temperature by: Fahrenheit / Centigrade
| 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 |
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| 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 |
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| 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 |
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| 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 |
Weather information for other cities in Colorado