Weather in Grand Canyon: August
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Average day temperature: | 84.5°F |
| Average night temperature: | 68.2°F | |
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Number of sunny days: | 23 days |
| Day length: | 13.0 - 14.0 hours | |
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Number of rainy days: | 4 days |
| Precipitation totals: | 2.9 in. | |
| more information | ||
14 days
forecast
forecast
| Grand Canyon |
weather in
September
September
| Grand Canyon |
Air temperature in August, °F
Show year:
2026
2025
2024
The highest day temperature during August of 2026 was 95°F. At the same time the lowest night temperature was 64°F. Daily and nightly averages during August were 87.7°F and 74.0°F.
Sunny, partly cloudy and cloudy days
Mostly all days in August are sunny but cloudy days are also possible.
Precipitation total in August, in.
Precipitation total value in Grand Canyon in August is 2.0 in. Other months of the year show relatively similar values.
Wind speed in August, mph
The average wind speed value in August is 8.1 mph
Average sunny hours
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in August is: 10.1.
Best time for vacation in Grand Canyon
Grand Canyon on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Grand Canyon
Local time: 16:57
September 07, monday
1800
73°F
NE
11 mph
11 mph
2100
72°F
N
4 mph
4 mph
September 08, tuesday
0000
68°F
NE
2 mph
2 mph
0300
66°F
N
1 mph
1 mph
0600
64°F
NW
3 mph
3 mph
0900
73°F
NW
3 mph
3 mph
1200
81°F
E
6 mph
6 mph
1500
84°F
E
11 mph
11 mph
