Measurements:
°C
°F
Grand Canyon
92°F
E 9 mph
Feels like: 90°F
Precip: 1%
World Resorts USA Grand Canyon Weather August Weather in Grand Canyon

Grand Canyon Weather: August

Average Day Temperature: 88.1°F
Average Night Temperature: 69.8°F
Number of Sunny Days: 24 days
Sunshine Hours: 13.0 - 14.0 hours
Number of Rainy Days: 5 days
Precipitation Totals: 3.0 in

Air Temperature in August, °F

Select Year: 2025 2024 2023

The highest day temperature in August 2025 was 99°F. The lowest night temperature was 61°F. The average values for day and night temperatures during August were 91.1°F и 68.4°F respectivly.

Sunny, Cloudy and Gloomy days

Most of the days in August are sunny but you can also expect cloudy and gloomy days.

Precipitation Totals in August, in

Precipitation total in August for Grand Canyon is 3.0 in. It makes august one of the most rainy months of the year.

Wind Speed in August, mph

The average wind speed in August is 7.8 mph.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Grand Canyon in August is 10.9 hours.

Best Time to Visit Grand Canyon
The most sunny months:
June 27 days
May 26 days
October 26 days
The most warm months:
July 90.4 °F
August 88.1 °F
June 86.8 °F
The most cold months:
January 41.3 °F
December 43.3 °F
February 45.2 °F
The most rainy months:
July 6 days
August 5 days
September 3 days
The most windy months:
April 11 mph
May 11 mph
June 11 mph

Grand Canyon on the Weather Map

USA Resorts:
NAME
Boston +94
Chicago +88
Hawaii +80
Houston +90
Las Vegas +120
Los Angeles +106
Maui +76
Miami +100
Myrtle Beach +96
New York +114
San Diego +96
San Francisco +76
Santa Monica +84
Sarasota +102
Tampa +100
24 Hours Weather Forecast
Grand Canyon
Local time: 11:15
15 jul, wednesday
1200 92°F
E
9 mph
1500 94°F
E
13 mph
1800 88°F
N
9 mph
2100 78°F
NW
9 mph
16 jul, thursday
0000 78°F
NW
7 mph
0300 76°F
NW
6 mph
0600 74°F
NW
6 mph
0900 84°F
NE
4 mph