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 84.8°F. The average nightly temp is 65.7°F.

Precipitation total, in.

November is the month with least precipitations during the year. The average precipitation totals for this month is 0.1 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 24 days
August 22 days
October 22 days
Warmest months:
July 84.8 °F
August 84.5 °F
June 77.0 °F
Coldest months:
February 33.5 °F
January 34.0 °F
December 35.4 °F
Rainiest months:
June 2 days
September 1 day
May 1 day
Windiest months:
April 9.6 mph
February 9.5 mph
December 8.9 mph

Keystone on a weather map

Keystone
+45°F
E 9 mph
Feels like: +41°F
Precip.: 0%
Places in USA:
Name
°F
+16°F
+25°F
+75°F
+75°F
+54°F
+54°F
+63°F
+21°F
+52°F
+54°F
+54°F
+50°F
+48°F
+46°F
+23°F
24 Hours Forecast
Keystone
Local time: 01:05
December 22, sunday
0300
45°F
E
7 mph
0600
43°F
E
11 mph
0900
41°F
E
14 mph
1200
41°F
SE
12 mph
1500
43°F
SE
14 mph
1800
39°F
SE
9 mph
2100
34°F
SE
7 mph
December 23, monday
0000
32°F
E
6 mph
Units of measurement: °C / °F