World Resorts USA Keystone Weather

Keystone weather in August

Weather in Keystone: August

Average day temperature: 82.7°F
Average night temperature: 65.4°F
Number of sunny days: 21 days
Day length: 13.2 - 14.6 hours
Number of rainy days: 1 day
Precipitation totals: 0.4 in.

Air temperature in August, °F

Show year:
2025
2024
2023

The highest day temperature during August of 2025 was 91°F. At the same time the lowest night temperature was 51°F. Daily and nightly averages during August were 74.0°F and 62.5°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 0.4 in. Other months of the year show relatively similar values.

Wind speed in August, mph

The average wind speed value in August is 7.2 mph It makes August lest windy month 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: 10.6.

Best time for vacation in Keystone

Sunniest months:
September 23 days
August 21 days
October 21 days
Warmest months:
July 83.2 °F
August 82.7 °F
June 75.9 °F
Coldest months:
February 32.4 °F
January 32.6 °F
December 36.2 °F
Rainiest months:
May 2 days
June 1 day
April 1 day
Windiest months:
December 9.3 mph
April 9.3 mph
February 9.1 mph

Keystone on a weather map

Keystone
+41°F
SE 7 mph
Feels like: +36°F
Precip.: 0%
Places in USA:
Name
°F
+37°F
+75°F
+75°F
+63°F
+64°F
+73°F
+75°F
+70°F
+30°F
+79°F
+52°F
+64°F
+59°F
+55°F
+19°F
24 Hours Forecast
Keystone
Local time: 13:47
December 30, tuesday
1500
41°F
SE
7 mph
1800
37°F
E
2 mph
2100
32°F
E
5 mph
December 31, wednesday
0000
32°F
E
7 mph
0300
32°F
E
14 mph
0600
36°F
E
9 mph
0900
39°F
SE
11 mph
1200
46°F
SE
9 mph
Units of measurement: °C / °F