Weather in St George & Washington County
The weather in Southern Utah is gorgeous, with over 300 sunny days each year. The clear blue skies are nice all year long, and the dry desert climate lends to mild winters and hot, dry summers.
| Â | Year Average | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sept | Oct | Nov | Dec |
| Ave High °F |          78 | 53.5 | 60.3 | 68.1 | 77.1 | 86.2 | 95.9 | 102 | 99.8 | 93.2 | 80.5 | 64.8 | 54.3 |
| Ave Low °F |        45.9 | 27.1 | 31.7 | 37.5 | 44.2 | 52.4 | 60.3 | 67.8 | 66.4 | 57.1 | 45 | 33.2 | 27.4 |
| Average °F  |         62 | 40.3 | 44 | 52.8 | 61 | 69.3 | 78.1 | 84.9 | 83.1 | 75.2 | 62.8 | 49 | 40.9 |
| Rainfall  |        8.14 | 1.1 | 1 | 1 | 0.48 | 0.4 | 0.2 | 0.56 | 0.68 | 0.59 | 0.62 | 0.7 | 0.82 |