World Resorts USA Keystone

Keystone Monthly Weather Averages

Please click on any column to get detailed information about Keystone weather in that particular month. You will get daily weather information for that month for the last several years.

Day & Night air temperature, °F

The warmest month in Keystone is july. The average daily temp is 70.9°F. The average nightly temp is 46.5°F.

Precipitation total, in.

January is the month with least precipitations during the year. The average precipitation totals for this month is 0.5 in. The month with most precipitation total is May.

Number of rainy days

This chart shows averages for the last three years. It shows medium and heavy rains only, it doesn't show light rains.

Wind speed, mph
Sunny, partly cloudy and cloudy days
Average sunny hours

Sunny hours are calculated based on the average daily number of hours while sunlight can reach the ground. It depends on day length and cloudiness during the day.

* Charts above show average data for the last 3 years.

Best time for vacation in Keystone

Sunniest months:
September 20 days
October 19 days
November 18 days
Warmest months:
July 70.9 °F
August 69.3 °F
September 63.1 °F
Coldest months:
January 23.8 °F
February 24.7 °F
December 26.3 °F
Rainiest months:
June 3 days
August 3 days
May 2 days
Windiest months:
April 6.9 mph
May 6.0 mph
February 5.8 mph

Keystone on a weather map

Keystone
+34°F
NW 2 mph
Feels like: +32°F
Precip.: 88%
Places in USA:
Name
°F
+54°F
+61°F
+79°F
+73°F
+90°F
+64°F
+86°F
+61°F
+84°F
+64°F
+57°F
+82°F
+84°F
+82°F
+72°F
24 Hours Forecast
Keystone
Local time: 20:07
May 18, saturday
2100
34°F
NW
2 mph
May 19, sunday
0000
30°F
N
2 mph
0300
28°F
N
5 mph
0600
30°F
N
6 mph
0900
45°F
E
14 mph
1200
50°F
E
19 mph
1500
52°F
E
12 mph
1800
50°F
E
14 mph
Units of measurement: °C / °F