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 69.7°F. The average nightly temp is 44.9°F.

Precipitation total, in.

January is the month with least precipitations during the year. The average precipitation totals for this month is 0.6 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:
October 18 days
September 18 days
November 16 days
Warmest months:
July 69.7 °F
August 68.5 °F
June 63.6 °F
Coldest months:
January 23.0 °F
February 25.6 °F
December 26.9 °F
Rainiest months:
July 3 days
June 3 days
September 3 days
Windiest months:
April 6.9 mph
May 6.6 mph
June 6.1 mph

Keystone on a weather map

Keystone
+7°F
E 4 mph
Feels like: -11°F
Precip.: 0%
Places in USA:
Name
°F
+30°F
+77°F
+77°F
+45°F
+55°F
+70°F
+77°F
+70°F
+25°F
+57°F
+48°F
+63°F
+63°F
+46°F
+5°F
24 Hours Forecast
Keystone
Local time: 21:41
December 05, friday
0000
5°F
E
4 mph
0300
5°F
E
4 mph
0600
7°F
E
3 mph
0900
9°F
NE
3 mph
1200
21°F
E
6 mph
1500
25°F
E
7 mph
1800
21°F
SE
6 mph
2100
18°F
E
4 mph
Units of measurement: °C / °F