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 83.2°F. The average nightly temp is 65.4°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 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 35.7 °F
Rainiest months:
May 2 days
June 1 day
April 1 day
Windiest months:
April 9.3 mph
February 9.1 mph
December 8.9 mph

Keystone on a weather map

Keystone
+28°F
E 7 mph
Feels like: +18°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
27°F
E
8 mph
0300
27°F
SE
15 mph
0600
27°F
SE
16 mph
0900
27°F
SE
15 mph
1200
32°F
SE
16 mph
1500
34°F
SE
14 mph
1800
27°F
E
4 mph
2100
21°F
NE
5 mph
Units of measurement: °C / °F