Zion National Park Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Zion National Park.
Climate overview of Zion National Park
The climate in Zion National Park, United States of America, is marked by large temperature swings across the seasons, ranging from 30°C (86°F) in July to 7°C (45°F) in December.
With around 466 mm (18 in) of annual rain/snowfall, Zion National Park has a fairly dry climate. However, it has two distinct dry seasons, April to June and October to November, with very warm summers and cold winters. The wettest month is December, while June sees the least rain.
Zion National Park Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Zion National Park - and find the best time to visit.
Monthly Temperature in Zion National Park
In Zion National Park, temperatures differ significantly between summer and winter months. Average daytime temperatures reach a very warm 30°C (86°F) in July. In December, the coolest month of the year, temperatures drop to a chilly 7°C (45°F).
At night, temperatures range from around 12°C (54°F) in July to -7°C (19°F) in December.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Zion National Park
Zion National Park tends toward drier weather patterns, receiving approximately 466 mm (18 in) of rain/snow per year. Zion National Park can be quite wet during December, receiving approximately 70 mm (2.8 in) of precipitation over 11 snowy/rainy days.
In contrast, during the driest month (June), you will experience much drier conditions, with 5.6 mm (0.2 in) of precipitation spread across 2 rainy days. For more details, please visit our Zion National Park Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Zion National Park
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May, June, August and September
- Warmest weather: July and August
- Fewest rainy days: June
- Seasonal pattern: Two distinct dry seasons, April to June and October to November, with very warm summers and cold winters
- Coldest conditions: December, with freezing nights around -7°C (19°F).
Frequently asked questions about the climate in Zion National Park
What is the best time to visit Zion National Park?
May, June, August and September typically offer the most optimal weather in Zion National Park. In contrast, January, February and December tend to have less optimal conditions. Zion National Park has two distinct dry seasons, April to June and October to November, with very warm summers and cold winters.
What temperatures can I expect in Zion National Park?
Daytime highs range from 7°C (45°F) in December to 30°C (86°F) in July. Nighttime lows range from -7°C (19°F) to 12°C (54°F). Temperatures vary considerably through the year.
How much rain does Zion National Park get?
Annual rainfall is around 466 mm (18 in). December is the wettest month with 70 mm (2.8 in), while June is the driest with 5.6 mm (0.2 in). In the coldest months, precipitation may fall as snow/rain.
Zion National Park 3-Day Forecast
Zion National Park 3-Day Forecast
Zion National Park on the map
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