About Capitol Reef Weather
Capitol Reef National Park has a generally arid high desert climate. Summer days are hot, but nights are still cool. Thunderstorms from July through September brings cloudbursts, flash floods and lightning. Spring and fall are usually mild. Winter days are cool, with cold nights. Snowfall is usually light, especially at lower elevations. Humidity is low all year.
| Month | Avg High | Avg Low | Record High | Record Low | Avg Pcpt |
| January | 41° | 18° | 63°/1975 | -16°/1963 | 0.96" |
| February | 45° | 22° | 69°/1996 | -17°/1989 | 0.91" |
| March | 53° | 28° | 73°/2004 | 0°/1966 | 1.02" |
| April | 61° | 35° | 82°/1981 | 8°/1975 | 0.49" |
| May | 69° | 42° | 89°/2002 | 20°/1977 | 0.77" |
| June | 80° | 52° | 96°/1961 | 28°/1955 | 0.33" |
| July | 85° | 59° | 96°/2002 | 39°/1982 | 1.06" |
| August | 82° | 57° | 95°/2002 | 34°/1960 | 1.50" |
| September | 75° | 50° | 90°/1958 | 24°/1971 | 1.20" |
| October | 64° | 40° | 83°/1964 | 4°/1971 | 1.21" |
| November | 50° | 27° | 70°/1988 | -1°/1976 | 0.79" |
| December | 42° | 20° | 65°/1958 | -11°/1990 | 0.58" |
