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 86.1°F. The average nightly temp is 67.5°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 22 days
October 22 days
Warmest months:
July 86.1 °F
August 86.0 °F
June 78.3 °F
Coldest months:
February 33.5 °F
January 34.0 °F
December 35.4 °F
Rainiest months:
June 2 days
May 2 days
September 1 day
Windiest months:
April 9.6 mph
February 9.5 mph
December 8.9 mph

Keystone on a weather map

Keystone
+61°F
W 4 mph
Feels like: +59°F
Precip.: 0%
Places in USA:
Name
°F
+54°F
+61°F
+73°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: 18:51
May 18, saturday
2100
48°F
NW
8 mph
May 19, sunday
0000
43°F
N
4 mph
0300
46°F
NE
7 mph
0600
46°F
E
6 mph
0900
63°F
NE
6 mph
1200
72°F
E
12 mph
1500
73°F
NE
15 mph
1800
66°F
SE
11 mph
Units of measurement: °C / °F