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Best time to visit · Utah, United States
April – June and August – October are the best time to visit Zion on the climate data: September scores 100/100, with highs around 79°F (26°C) and 1.0 in (25 mm) of rain. The toughest months are December – February, mainly because of cool days.
These averages also cover Zion NP.
Highs run from 41°F to 89°F across the year, and the yearly total is about 13.1 in (332 mm) of rain and snow.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high | 42°F6°C | 44°F7°C | 53°F12°C | 61°F16°C | 72°F22°C | 85°F30°C | 89°F32°C | 86°F30°C | 79°F26°C | 65°F18°C | 52°F11°C | 41°F5°C |
| Avg low | 22°F-5°C | 24°F-5°C | 30°F-1°C | 35°F2°C | 44°F7°C | 55°F13°C | 62°F17°C | 60°F16°C | 52°F11°C | 39°F4°C | 30°F-1°C | 22°F-6°C |
| Rain/snow | 1.3 in32 mm | 1.4 in36 mm | 1.3 in32 mm | 1.0 in26 mm | 0.7 in18 mm | 0.3 in7 mm | 1.3 in34 mm | 1.3 in32 mm | 1.0 in25 mm | 1.3 in32 mm | 0.9 in23 mm | 1.4 in35 mm |
| Humidity | 66% | 64% | 54% | 47% | 40% | 28% | 39% | 42% | 40% | 46% | 54% | 66% |
| Cloud | 47% | 49% | 47% | 41% | 35% | 22% | 38% | 30% | 23% | 30% | 38% | 51% |
| Comfort | 57 | 60 | 76 | 91 | 98 | 90 | 79 | 88 | 100 | 100 | 77 | 54 |
Source: NASA POWER (public domain), 2001–2025 monthly averages on a ~50 km satellite and reanalysis grid, so coasts and valleys can differ from what's shown. Temperatures were adjusted from the grid cell's ~2,087 m (6,847 ft) to Zion's ~1,782 m (5,847 ft) elevation using the standard lapse rate of 6.5°C per 1,000 m. Precipitation includes snow as melted water; daylight is calculated from latitude. Check a forecast before you go.
The coldest season, with highs of 41–44°F (5–7°C) and lows down to 22°F (-6°C). It's the wettest season, with about 4.1 in (103 mm) of rain or snow, 31% of the year's total. December – February are cold enough for snow. It holds the toughest stretch on our comfort score (December – February), averaging 57/100.
Temperatures climb through the season, from 53°F highs in March to 72°F by May. About 3.0 in (76 mm) of rain falls across these months, 23% of the year's total. Nights dip below freezing in March. April & May are among the best-scoring months (season average 88/100).
Peak warmth: highs of 85–89°F (30–32°C). It's the driest season, with only about 2.9 in (73 mm) of rain, 22% of the year's total. Lows bottom out around 55°F (13°C). Comfort peaks here: June and August rank with the year's best, and the season averages 86/100.
Temperatures slide from 79°F highs in September to 52°F by November. About 3.1 in (80 mm) of rain falls across these months, 24% of the year's total. Nights dip below freezing in November. September & October are among the best-scoring months (season average 92/100).
By comfort score: 9 Great, 1 Good and 2 Fair. Great months: March – November. Tap a month for its own guide.
April – June and August – October are the best time to visit Zion on the climate data: September scores 100/100, with highs around 79°F (26°C) and 1.0 in (25 mm) of rain. The toughest months are December – February, mainly because of cool days.
February is the wettest month, averaging about 1.4 in (36 mm) of rain or snow. June is the driest, with about 0.3 in (7 mm). The yearly total is around 13.1 in (332 mm).
December is the coldest, with average lows of 22°F (-6°C) and highs of 41°F (5°C). The warmest is July, with average highs of 89°F (32°C).
Not very: summer (June – August) humidity averages 36%, and highs peak around 89°F (32°C), so heat matters more than mugginess.
On average, yes: lows fall below 32°F (0°C) in November – March, bottoming out around 22°F (-6°C) in December.
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