Grand Canyon National Park (AZ)
August
Weather in Grand Canyon National Park, Arizona for August 2026
Your guide to Grand Canyon National Park weather in August - trends and predictions
In general, the average temperature in Grand Canyon National Park at the beginning of August is 31.1 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 24.9 °F by the end of August.
With an average of 4 rainy days, Grand Canyon National Park experiences minimal rainfall in August.
New! Chat with our AI weatherman - it’s amazing and free.
Temperatures
Rain 🌧️
More
27
Dry days
4
Rainy days
0
Snow days
29°/18°
Temperatures
27 km/h
Avg max wind
31 %
Avg humidity
Grand Canyon National Park Weather August
Move between months or click on a day
Temperatures trend during August in Grand Canyon National Park
See the weather trend as well as the moving average line
August weather in Grand Canyon National Park day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Aug. 1 |  Sunny | 30° /18° | 0 mm | 14 | |
| Aug. 2 | Sunny | 30° /18° | 0 mm | 14 | |
| Aug. 3 | Sunny | 31° /17° | 0 mm | 14 | |
| Aug. 4 | Sunny | 31° /17° | 0 mm | 14 | |
| Aug. 5 | Sunny | 31° /18° | 0 mm | 14 | |
| Aug. 6 | Sunny | 32° /19° | 0 mm | 14 | |
| Aug. 7 |  Partly cloudy | 33° /21° | 0 mm | 14 | |
| Aug. 8 | Sunny | 31° /21° | 0 mm | 14 | |
| Aug. 9 | Sunny | 30° /19° | 0 mm | 14 | |
| Aug. 10 | Partly cloudy | 31° /19° | 0 mm | 14 | |
| Aug. 11 | Sunny | 30° /18° | 0 mm | 14 | |
| Aug. 12 | Sunny | 32° /18° | 0 mm | 13 | |
| Aug. 13 | Partly cloudy | 32° /18° | 0 mm | 13 | |
| Aug. 14 |  Overcast | 31° /20° | 0 mm | 13 | |
| Aug. 15 |  Thundery outbreaks possible | 26° /17° | 6.7 mm | 13 | |
| Aug. 16 | Sunny | 27° /15° | 0 mm | 13 | |
| Aug. 17 | Sunny | 27° /15° | 0 mm | 13 | |
| Aug. 18 | Overcast | 29° /17° | 0 mm | 13 | |
| Aug. 19 | Partly cloudy | 31° /20° | 0 mm | 13 | |
| Aug. 20 |  Cloudy | 32° /20° | 0 mm | 13 | |
| Aug. 21 | Partly cloudy | 32° /21° | 0 mm | 13 | |
| Aug. 22 | Partly cloudy | 33° /21° | 0 mm | 13 | |
| Aug. 23 |  Light rain shower | 31° /21° | 2.7 mm | 11 | |
| Aug. 24 | Overcast | 22° /17° | 1.6 mm | 6 | |
| Aug. 25 | Overcast | 28° /18° | 0 mm | 12 | |
| Aug. 26 | Light rain shower | 22° /14° | 10.1 mm | 5 | |
| Aug. 27 | Overcast | 23° /14° | 0 mm | 12 | |
| Aug. 28 | Overcast | 22° /16° | 0 mm | 5 | |
| Aug. 29 | Overcast | 24° /15° | 0 mm | 10 | |
| Aug. 30 | Sunny | 27° /15° | 0 mm | 11 | |
| Aug. 31 | Partly cloudy | 28° /17° | 0 mm | 11 | |
| Next | |||||
Important Notice
Our weather forecast for Grand Canyon National Park in August is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Grand Canyon National Park forecast closer to your planned date for the most up-to-date weather information.
Change Month
Grand Canyon National Park in August - FAQ
What are the expected maximum and minimum temperatures in Grand Canyon National Park during August?
During August, expect a variety of temperatures with highs around 29° and lows near 18°, suitable for diverse activities and preferences.
How much rainfall should be expected in Grand Canyon National Park during August?
In August, Grand Canyon National Park can expect light to moderate rainfall, totaling 21.1 mm across approximately 4 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Grand Canyon National Park during August?
The average wind speed in Grand Canyon National Park during August is 27 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Grand Canyon National Park
Explore the daily rainfall trends and prepare for Grand Canyon National Parks August weather 💧
Typically, Grand Canyon National Park has 4 rainy days in August with a total of 21.1 mm of rainfall.
UV exposure in Grand Canyon National Park during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
Quick links
More Grand Canyon National Park weather pages
You are here
Where is Grand Canyon National Park?Get accurate weather forecasts for Grand Canyon National Park, located at latitude 36.107 and longitude -112.113. Stay updated with localized weather information tailored for Grand Canyon National Park.
Found a mistake?
We appreciate your attention to details. Tell us here.