Zion National Park Weather in December
December in Zion National Park sees daytime temperatures around 7°C (45°F) and lows of -7°C (19°F) at night. As the wettest month of the year, keep in mind that snow/rainfall is at its highest.
Rainfall in Zion National Park in December
This month is known for heavy rainfall, so don't forget your umbrella to stay dry. Past climate data indicates that roughly 11 days will see snow/rain, totalling around 70 mm (2.8 in) for the month. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.
Temperature in Zion National Park in December
December in Zion National Park brings low temperatures, with highs of 7°C (45°F) and nights around -7°C (19°F). During December, you'll experience the winter season. It stays cool throughout the day, so warm layers are a good idea from morning to evening. Nights are well below freezing at -7°C (19°F). An extra blanket is a good idea if you feel the cold, especially in older or less well-heated accommodation. This is usually the coldest month of the year, so be sure to prepare with plenty of winter gear.If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit Zion National Park. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Zion National Park's climate page.
Zion National Park Temperature in December
Min Temperature
-7°C (19°F)
Max Temperature
7°C (45°F)
Chance of Rain
35%
Precipitation
70 mm (2.8 in)
Rainy days
11 days
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Zion National Park typically drop from around 9°C (48°F) at the start of December to approximately 5°C (41°F) by the end. Nights are very cold, with lows typically ranging from -7°C (19°F) to -4°C (25°F).
Average temperatures in December
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for Zion National Park in December
Browse day-by-day weather records for Zion National Park spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Zion National Park historical weather extremes in December
Based on weather observations in Zion National Park between 1976 and 2025, these are the recorded extremes during December.
- The warmest day in December was on December 2, 2017, with a maximum of 19°C (66°F).
Best Places in the United States of America in December
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in December →
perfect weather
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tolerable
unpleasant
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What to Wear in Zion National Park in December
We recommend to layer up for chilly conditions in Zion National Park in December. You could start with thermal underwear or a good base layer to keep your core warm on the cooler days this month. Maybe also add a sweater or fleece, and top it off with a windproof jacket. Rain is likely on several days, so bring a good rain jacket.What To Do in Zion National Park in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Zion National Park's climate page.
See the full Zion National Park climate overview or explore weather in the United States of America.
