Grand Canyon weather in August
“The kind of pleasant weather you build a trip around.”
Roughly 10 rainy days across the month, on average.
In august, Grand Canyon settles into its warmer, more generous mood. The city keeps a different pulse than in summer or midwinter, and travellers who arrive with the right expectations are rewarded.
Days average around 28°C (82°F), cooling to 16°C after sunset. Rainfall is moderate — around 10 rainy days spread through the month. Long days of sunshine reward early starts.
These figures are climatological averages, drawn from a decade of daily records via the Open-Meteo Archive — not a forecast. But they are honest, and they are the sort of thing a good travel guide ought to tell you before you book the flight.
What to pack for Grand Canyon in August
- •Breathable cotton or linen, and a broad-brimmed hat
- •Layers, because the day changes
- •Reef-safe sunscreen and polarised sunglasses
- •Comfortable, broken-in walking shoes
- •A small daypack that won't look like a tourist beacon
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
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Compare hotels on Booking.com→August vs. the rest of the year
How this month compares in Grand Canyon. Tap any month to read more.
highlighted months are among the best time to visit.
Best time to visit Grand Canyon
August is one of the best months to visit Grand Canyon — alongside May, June, July. Ten-year climate data confirms it: comfortable temperatures, manageable rainfall, and a healthy dose of sunshine.
See the full best-time-to-visit guide for Grand CanyonOther 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 16°C (60°F), with 49mm 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 16°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 49mm. 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.