World Resorts USA Keystone Weather

Keystone weather in December

Weather in Keystone: December

Average day temperature: 35.4°F
Average night temperature: 25.2°F
Number of sunny days: 17 days
Day length: 8.9 - 9.1 hours
Number of days with precipitation: 1 day
Precipitation totals: 0.3 in.

Air temperature in December, °F

Show year:
2023
2022
2021

The highest day temperature during December of 2023 was 51°F. At the same time the lowest night temperature was 14°F. Day and night temperature averages during December were 38.9°F and 28.2°F.

Sunny, partly cloudy and cloudy days

Mostly all days in December are sunny but cloudy days are also possible.

Precipitation total in December, in.

Precipitation total value in Keystone in December is 0.3 in. Other months of the year show relatively similar values.

Wind speed in December, mph

The average wind speed value in December is 8.9 mph It makes December one of the most windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in December is: 5.8.

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 7 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: 01:39
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