Weather in Keystone: August
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Average day temperature: | 68.5°F |
| Average night temperature: | 44.5°F | |
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Number of sunny days: | 15 days |
| Day length: | 13.1 - 14.2 hours | |
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Number of rainy days: | 3 days |
| Precipitation totals: | 1.5 in. | |
| more information | ||
14 days
forecast
forecast
| Keystone |
weather in
September
September
| Keystone |
Air temperature in August, °F
Show year:
2025
2024
2023
The highest day temperature during August of 2025 was 75°F. At the same time the lowest night temperature was 36°F. Daily and nightly averages during August were 66.4°F and 44.3°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 Keystone in August is 1.5 in. Other months of the year show relatively similar values.
Wind speed in August, mph
The average wind speed value in August is 5.0 mph It makes August one of the least windy months of the year.
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: 8.9.
Best time for vacation in Keystone
Keystone on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Keystone
Local time: 18:26
January 01, thursday
2100
30°F
E
4 mph
4 mph
January 02, friday
0000
30°F
E
6 mph
6 mph
0300
30°F
E
6 mph
6 mph
0600
30°F
E
6 mph
6 mph
0900
28°F
E
5 mph
5 mph
1200
28°F
SE
10 mph
10 mph
1500
27°F
SE
11 mph
11 mph
1800
27°F
SE
7 mph
7 mph
