Zion Weather
Zion National Park experiences a desert climate with temperatures varying according to elevation. Day and night temperatures can differ by over 30°F. In the spring, the weather is unpredictable with some stormy, wet days intermixed with warm, sunny weather. Wildflowers bloom in April and peak in May. Summer days are hot with highs ranging from 95 to 110°F. From mid July to mid September, afternoon thunderstorms are common, resulting in some flash floods and waterfalls. Fall brings clear and mild days with cool nights. Fall colors in Zion Canyon usually peak in late October. Winter brings cooler temperatures and light dustings of snow in the canyon. On clear winter days, temperatures can climb into the 60s.
Weather Averages By Month
Month | J | F | M | A | M | J | J | A | S | O | N | D |
Temperature (°F) | ||||||||||||
Normal daily max | 52 | 57 | 63 | 73 | 83 | 93 | 100 | 97 | 91 | 78 | 63 | 53 |
Normal daily min | 29 | 31 | 36 | 43 | 52 | 60 | 68 | 66 | 60 | 49 | 37 | 30 |
Extreme high | 71 | 78 | 86 | 94 | 102 | 114 | 115 | 111 | 110 | 97 | 83 | 71 |
Extreme low | -2 | 4 | 12 | 23 | 22 | 40 | 51 | 50 | 33 | 23 | 13 | 6 |
Days above 90°F | 0 | 0 | 0 | 1 | 8 | 21 | 30 | 28 | 18 | 3 | 0 | 0 |
Days below 32°F | 19 | 14 | 10 | 3 | 0 | 0 | 0 | 0 | 0 | 1 | 9 | 18 |
Precipitation (In) | ||||||||||||
Normal | 1.6 | 1.6 | 1.7 | 1.3 | 0.7 | 0.6 | 0.8 | 1.6 | 0.8 | 1.0 | 1.2 | 1.5 |
maximum | 7.5 | 6.7 | 7.1 | 4.4 | 3.0 | 4.0 | 3.6 | 4.8 | 6.7 | 3.3 | 3.2 | 4.3 |
Max 24 hour | 1.6 | 1.3 | 0.9 | 1.2 | 1.8 | 2.2 | 1.1 | 1.6 | 1.4 | 1.3 | 1.3 | 2.0 |
Maximum snowfall | 26 | 18 | 14 | 3 | T | 0 | 0 | 0 | T | 1 | 5 | 21 |
Days w/precipitation | 7 | 7 | 8 | 6 | 5 | 3 | 5 | 6 | 4 | 4 | 5 | 6 |
No. thunderstorms | 0 | 0 | 0 | 1 | 4 | 5 | 14 | 15 | 5 | 2 | 0 | 0 |
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