Zion National Park
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Zion National Park Weather in August

August in Zion National Park brings high temperatures, with daytime highs of 29°C (84°F) and nights around 11°C (52°F). The excellent weather makes it a solid choice for a visit.

Rainfall in Zion National Park in August

Looking at the last 30 years, the data shows about 9 days with rain, averaging 45 mm (1.8 in) for the month. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in Zion National Park in August

If you're visiting Zion National Park in August, expect excellent temperatures with highs of 29°C (84°F) and overnight lows of 11°C (52°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. With lows of 11°C (52°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.

If you're inclined towards comfortable temperatures and drier conditions, August is a good time to visit Zion National Park.

Zion National Park Temperature in August

Min Temperature
11°C (52°F)
Max Temperature
29°C (84°F)
Chance of Rain
30%
Precipitation
45 mm (1.8 in)
Rainy days
9 days

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.

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Zion National Park typically stay consistent throughout August, with daily highs averaging around 29°C (84°F). Nights are pleasant, with lows typically ranging from 14°C (57°F) to 17°C (63°F).

Average temperatures in August

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 August

Historical weather records for Zion National Park in August

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 August

According to our 50 years of weather records for Zion National Park, the following extremes were recorded between 1976 and 2026.

  • Zion National Park recorded its highest August temperature of 41°C (106°F) on August 29, 1996.
  • On August 31, 1998, Zion National Park saw its coldest August day with temperatures maxing out at 19°C (66°F).
  • Nighttime temperatures dropped to 5°C (41°F) on August 28, 2004, marking the coldest August night on record.

Best Places in the United States of America in August

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 August →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Zion National Park in August

Warm temperatures in August make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Rain gear is recommended, you can expect wet weather on multiple days.

What To Do in Zion National Park in August

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Cycling
    8/10
  • Walking
    8/10
  • Camping
    10/10
  • Outdoor sports
    8/10

Zion National Park 3-Day Forecast

More climate data for Zion National Park

Popular in August

Where to go in August - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.