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City of Grand Junction, COGrand Junction Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 36°F Lo 15°F | Hi 41°F Lo 20°F | Hi 52°F Lo 29°F | Hi 61°F Lo 36°F | Hi 72°F Lo 44°F | Hi 86°F Lo 54°F | Hi 91°F Lo 60°F | Hi 88°F Lo 58°F | Hi 80°F Lo 51°F | Hi 64°F Lo 38°F | Hi 51°F Lo 27°F | Hi 38°F Lo 17°F |
| 4 mph | 5 mph | 6 mph | 7 mph | 7 mph | 7 mph | 6 mph | 5 mph | 6 mph | 5 mph | 5 mph | 4 mph |
| 0.9 in | 1 in | 1.2 in | 1 in | 0.8 in | 0.5 in | 0.4 in | 0.6 in | 0.7 in | 1.2 in | 1.1 in | 1.3 in |
| 75% | 68% | 56% | 43% | 37% | 31% | 36% | 38% | 37% | 45% | 53% | 68% |
| 34% | 34% | 30% | 26% | 22% | 13% | 16% | 16% | 13% | 16% | 20% | 32% |
| 30.2 in | 30.1 in | 30.0 in | 29.9 in | 29.9 in | 29.9 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.1 in | 30.2 in |
| 20 | 19 | 23 | 26 | 28 | 28 | 29 | 29 | 27 | 28 | 24 | 20 |
| 7 | 6 | 5 | 3 | 3 | 2 | 2 | 2 | 3 | 3 | 4 | 7 |
| 4 | 3 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 5 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2 | 2 | 2 | 4 | 5 | 6 | 6 | 6 | 4 | 3 | 2 | 1 |
| 223 | 195 | 235 | 255 | 289 | 320 | 326 | 325 | 316 | 314 | 280 | 237 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 2°C Lo -10°C | Hi 5°C Lo -7°C | Hi 11°C Lo -2°C | Hi 16°C Lo 2°C | Hi 22°C Lo 7°C | Hi 30°C Lo 12°C | Hi 33°C Lo 16°C | Hi 31°C Lo 14°C | Hi 27°C Lo 10°C | Hi 18°C Lo 3°C | Hi 10°C Lo -3°C | Hi 3°C Lo -8°C |
| 6 km/h | 8 km/h | 10 km/h | 11 km/h | 11 km/h | 11 km/h | 9 km/h | 9 km/h | 9 km/h | 8 km/h | 7 km/h | 6 km/h |
| 22 mm | 26 mm | 30 mm | 25 mm | 19 mm | 12 mm | 9 mm | 15 mm | 19 mm | 29 mm | 27 mm | 33 mm |
| 75% | 68% | 56% | 43% | 37% | 31% | 36% | 38% | 37% | 45% | 53% | 68% |
| 34% | 34% | 30% | 26% | 22% | 13% | 16% | 16% | 13% | 16% | 20% | 32% |
| 1024 mb | 1020 mb | 1016 mb | 1013 mb | 1012 mb | 1012 mb | 1015 mb | 1015 mb | 1016 mb | 1017 mb | 1021 mb | 1022 mb |
| 20 | 19 | 23 | 26 | 28 | 28 | 29 | 29 | 27 | 28 | 24 | 20 |
| 7 | 6 | 5 | 3 | 3 | 2 | 2 | 2 | 3 | 3 | 4 | 7 |
| 4 | 3 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 5 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2 | 2 | 2 | 4 | 5 | 6 | 6 | 6 | 4 | 3 | 2 | 1 |
| 223 | 195 | 235 | 255 | 289 | 320 | 326 | 325 | 316 | 314 | 280 | 237 |
| Month |
| Avg. Temperatures |
| Avg. Wind Speed |
| Avg. Precipitation |
| Average Humidity |
| Avg. Cloud Cover |
| Pressure Average |
| Average Dry Days |
| Avg. Precip. Days |
| Avg. Snow Days |
| Average Fog Days |
| Average UV Index |
| Avg. Hours of Sun |
Averages are based on historical weather data from the past 10 years.