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 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

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