Grand Canyon weather
in August
“The kind of pleasant weather you build a trip around.”
Roughly 10 rainy days across the month, on average.
August continues the monsoon pattern. Daytime highs settle to 27°C (81°F), afternoon thunderstorms are frequent and often intense. Rainfall totals for the month can exceed 60mm. The North Rim remains open through the month.
Photography is exceptional but requires discipline — start before sunrise for clear morning skies, then retreat by early afternoon. Inner canyon hiking is dangerous due to flash flood risk in tributary canyons (Bright Angel Creek, Havasu Falls).
What to pack for Grand Canyon in August
- Breathable moisture-wicking clothing
- Waterproof jacket (essential — storms move fast)
- Wide-brim hat with waterproof cover
- Grippy hiking shoes (wet sandstone)
- Water reservoir (3L+) and electrolyte tablets
What to pack for Grand Canyon in August
- →Quick-dry travel shirtAmazon · shop this
- →UPF sun hatAmazon · shop this
- →Compact travel umbrellaAmazon · shop this
- →Reef-safe sunscreen SPF 50Amazon · shop this
- →Polarized sunglassesAmazon · shop this
- →Universal travel adapterAmazon · shop this
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Where to stay in Grand Canyon
We don't review individual hotels — plenty of people do that well. What we do is send you to compare rooms in Grand Canyon across trusted platforms.
Compare hotels on Booking.com→Things worth doing
North Rim exploration, dawn Bright Angel Trail hike, storm photography from safe viewpoints, Grand Canyon Village walking tour during afternoon storms.
Other places with a similar climate right now
Grand Canyon in August — FAQ
Q01Is August a good time to visit Grand Canyon?
Is August a good time to visit Grand Canyon?
Yes — this is one of the best months of the year to visit. In August, Grand Canyon averages a high of 28°C (82°F) and a low of 15°C (60°F), with 50mm of rainfall across roughly 10 rainy days.
Q02What is the average temperature in Grand Canyon in August?
What is the average temperature in Grand Canyon in August?
The average high temperature in Grand Canyon during August is 28°C (82°F), with an average low of 15°C (60°F). These figures are averaged from ten years of daily records (2015–2024, Open-Meteo Archive).
Q03How many rainy days does Grand Canyon have in August?
How many rainy days does Grand Canyon have in August?
Grand Canyon averages approximately 10 rainy days in August, with a total monthly rainfall of about 50mm. This is based on daily precipitation records where days with 1mm or more of rain are counted as rainy days.
Q04What should I pack for Grand Canyon in August?
What should I pack for Grand Canyon in August?
For Grand Canyon in August, pack light, breathable clothing (cotton or linen), sunscreen and sunglasses, comfortable walking shoes. These recommendations are based on the ten-year weather averages for this specific month.
Q05How crowded is Grand Canyon in August?
How crowded is Grand Canyon in August?
Tourist crowds in Grand Canyon during August are typically high — this is peak season, expect crowds and higher prices. Consider this when planning accommodation — prices track crowd levels closely.