Updated October 2026
Zion National Park Weather by Month
Zion National Park is warmest in July, when the nearest NOAA climate station averages a high of 100°F and a low of 70°F, and coldest in December, with an average high of 53°F and an average low of 29°F. February is the wettest month, with about 2.1 inches of precipitation. Snowfall is heaviest in December, at about 1.7 inches.
These figures are NOAA's 1991–2020 climate normals, the 30-year average for each calendar month, from the nearest long-record weather station, 6.6 miles from the park's reference point. A single station cannot describe a whole park: temperatures elsewhere in Zion National Park can differ from these, particularly with elevation.
Warmest month
Jul
100°F avg high
Coldest month
Dec
29°F avg low
Wettest month
Feb
2.1 in avg
Snowiest month
Dec
1.7 in avg
Longest days
Jun
14.6 h of daylight
Average weather at Zion by month
| Month | Avg high | Avg low | Precipitation | Snowfall | Daylight |
|---|---|---|---|---|---|
| January | 54°F | 30°F | 2.0 in | 0.7 in | 9.7 h |
| February | 58°F | 34°F | 2.1 in | 0.8 in | 10.6 h |
| March | 66°F | 39°F | 2.0 in | 0.7 in | 11.7 h |
| April | 73°F | 44°F | 1.2 in | 0.0 in | 13.0 h |
| May | 84°F | 53°F | 0.8 in | 0.0 in | 14.0 h |
| June | 95°F | 62°F | 0.2 in | 0.0 in | 14.6 h |
| July | 100°F | 70°F | 1.2 in | 0.0 in | 14.3 h |
| August | 98°F | 69°F | 1.6 in | 0.0 in | 13.4 h |
| September | 91°F | 61°F | 1.2 in | 0.0 in | 12.2 h |
| October | 78°F | 49°F | 1.2 in | 0.0 in | 11.0 h |
| November | 64°F | 37°F | 1.2 in | 0.1 in | 10.0 h |
| December | 53°F | 29°F | 1.6 in | 1.7 in | 9.4 h |
| Year total | 16.3 in | 4.0 in |
NOAA 1991–2020 climate normals from station USC00429717, 6.6 miles from the park's reference point. Daylight is the monthly average, computed from the park's latitude. Each month links to how crowded Zion is at that time of year.
Zion weather by season
Winter: December to February
Average highs climb from 53°F in December to 58°F in February, with average lows between 29°F and 34°F. The average low is at or below freezing in December and January. Together the three months average 5.7 inches of precipitation, about 35% of the yearly total and more than in any other season. Snowfall averages about 3.2 inches for the season. Daylight is at its shortest, about 9.4 hours in December.
Spring: March to May
Average highs climb from 66°F in March to 84°F in May, with average lows between 39°F and 53°F. Together the three months average 4 inches of precipitation, about 25% of the yearly total. Snowfall averages about 0.7 inches for the season. Daylight lengthens from about 11.7 hours in March to 14.0 in May.
Summer: June to August
Average highs peak at 100°F in July, between 95°F in June and 98°F in August, with average lows between 62°F and 70°F. The average high is 100°F or hotter in July. Together the three months average 3 inches of precipitation, about 18% of the yearly total and less than in any other season. Daylight is at its longest, about 14.6 hours in June.
Fall: September to November
Average highs fall from 91°F in September to 64°F in November, with average lows between 37°F and 61°F. The average high is 90°F or hotter in September. Together the three months average 3.6 inches of precipitation, about 22% of the yearly total. Snowfall averages about 0.1 inches for the season. Daylight shortens from about 12.2 hours in September to 10.0 in November.
What the National Park Service says about the weather
Zion is known for a wide range of weather conditions. Temperatures vary with changes in elevation and day/night temperatures may differ by over 30°F. In summer, temperatures in Zion National Park often exceed 100°F/38°C. Zion experiences monsoons from mid-July into September that result in an increased risk of flash floods. Always be aware of the threat of storms and lightning and be prepared for a wide range of weather conditions. Winters are generally mild.
Weather description courtesy of the National Park Service — official park site.
Today's forecast for Zion
Averages describe a typical month, not this week. For current conditions and the seven-day outlook, the National Weather Service issues a forecast for the park's reference point at 37.30°N, 113.03°W. It covers that one spot, so other elevations in the park can differ from it, as they do from the averages above.
Weather and crowds together
July, the warmest month, sees about 1.5× the visitors of the park's average month. June is the busiest month of the year and January the quietest. To see those crowds set against the weather for all twelve months, read the best time to visit Zion National Park. For hotels, cabins and rentals close to the park, see where to stay near Zion.
Where to stay near Zion
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Top-rated places to stay near Zion
Prices for Oct 16–18, 4 adults. Change dates on the map below.
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Frequently Asked Questions
July is the warmest month at Zion National Park, with an average high of 100°F and an average low of 70°F. That is the 1991–2020 average at the nearest long-record NOAA station, 6.6 miles from the park's reference point. Temperatures inside the park can differ, particularly with elevation.
December is the coldest month at Zion National Park, with an average low of 29°F and an average high of 53°F, based on NOAA 1991–2020 climate normals.
February is the wettest month, with about 2.1 inches of precipitation. June is the driest, at about 0.2 inches. The station records about 16.3 inches of precipitation in an average year.
Yes. The nearest long-record NOAA station, 6.6 miles from the park's reference point, averages about 4 inches of snow a year. December is the snowiest month, at about 1.7 inches. The station averages at least a tenth of an inch of snow in 5 of the 12 months.
Weather at nearby parks
25 mi away · warmest in July (69°F)
34 mi away · warmest in July (94°F)
50 mi away · warmest in July (80°F)
89 mi away · warmest in July (97°F)
103 mi away · warmest in July (85°F)
114 mi away · warmest in July (98°F)
Keep exploring
Sources: NOAA NCEI U.S. Climate Normals 1991–2020 (station USC00429717), daylight computed from latitude, weather description from the National Park Service, crowd levels from National Park Service Visitor Use Statistics (1979–2025). Updated 2026-10-11. Lodging results are provided by Stay22; WhenToVisitParks may earn a commission from bookings, at no extra cost to you.