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 70.0°F. The average nightly temp is 44.3°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 17 days
June 16 days
September 16 days
Warmest months:
July 70.0 °F
August 68.4 °F
June 64.1 °F
Coldest months:
January 23.3 °F
February 26.7 °F
December 27.5 °F
Rainiest months:
August 3 days
July 2 days
June 2 days
Windiest months:
April 7.0 mph
June 6.7 mph
May 6.6 mph

Keystone on a weather map

Keystone
+39°F
NW 3 mph
Feels like: +37°F
Precip.: 5%
Places in USA:
Name
°F
+63°F
+66°F
+77°F
+66°F
+68°F
+84°F
+70°F
+64°F
+68°F
+59°F
+68°F
+82°F
+82°F
+81°F
+66°F
24 Hours Forecast
Keystone
Local time: 10:27
October 29, thursday
1200
50°F
NE
4 mph
1500
52°F
N
6 mph
1800
30°F
N
2 mph
2100
25°F
NW
4 mph
October 30, friday
0000
25°F
NW
3 mph
0300
25°F
NW
3 mph
0600
23°F
NW
2 mph
0900
39°F
NW
2 mph
Units of measurement: °C / °F