Weather in Keystone: December
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Average day temperature: | 35.4°F |
| Average night temperature: | 25.2°F | |
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Number of sunny days: | 17 days |
| Day length: | 8.9 - 9.1 hours | |
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Number of days with precipitation: | 1 day |
| Precipitation totals: | 0.3 in. | |
| more information | ||
14 days
forecast
forecast
| Keystone |
weather in
January
January
| Keystone |
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
Keystone on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Keystone
Local time: 17:58
May 18, saturday
1800
61°F
W
4 mph
4 mph
2100
48°F
NW
8 mph
8 mph
May 19, sunday
0000
43°F
N
4 mph
4 mph
0300
46°F
NE
7 mph
7 mph
0600
46°F
E
6 mph
6 mph
0900
63°F
NE
6 mph
6 mph
1200
72°F
E
12 mph
12 mph
1500
73°F
NE
15 mph
15 mph
