Weather information for the Grand Junction area is provided below. Average temperatures, climate details and current forecasts are included.
Climate
Grand Junction is in a semi-arid desert area where farming is only possible through extensive irrigation. Summer temperatures are often in the 90s, while winter highs are just above freezing. Spring and fall are the most pleasant times to visit, when temperatures are moderate and there is little chance of rainfall to spoil your trip.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | ||
| Avg. High | 37 | 46 | 56 | 64 | 75 | 87 | 92 | 90 | 80 | 67 | 50 | 39 | |
| Avg. Low | 16 | 23 | 31 | 38 | 46 | 55 | 61 | 60 | 50 | 39 | 26 | 17 | |
| Precipitation | 0.6 | 0.5 | 1.0 | 0.9 | 1.0 | 0.4 | 0.7 | 0.8 | 0.9 | 1.0 | 0.7 | 0.5 | |
