World Resorts USA Casper Weather

Casper weather in December

Weather in Casper: December

Average day temperature: 33.2°F
Average night temperature: 23.6°F
Number of sunny days: 17 days
Day length: 9.0 - 9.3 hours
Number of rainy days: 0 days
Precipitation totals: 0.2 in.

Air temperature in December, °F

Show year:
2023
2022
2021

The highest day temperature during December of 2023 was 48°F. At the same time the lowest night temperature was 5°F. Day and night temperature averages during December were 36.7°F and 25.1°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 Casper in December is 0.2 in. Other months of the year show relatively similar values.

Wind speed in December, mph

The average wind speed value in December is 13.3 mph It makes December most windy month 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: 6.1.

Best time for vacation in Casper

Sunniest months:
July 24 days
August 22 days
September 22 days
Warmest months:
July 85.8 °F
August 83.9 °F
June 75.9 °F
Coldest months:
February 27.8 °F
January 28.6 °F
December 33.2 °F
Rainiest months:
May 2 days
June 1 day
September 1 day
Windiest months:
December 13.3 mph
February 12.4 mph
November 12.2 mph

Casper on a weather map

Casper
+70°F
E 22 mph
Feels like: +70°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
+90°F
+75°F
24 Hours Forecast
Casper
Local time: 17:34
May 18, saturday
1800
70°F
E
22 mph
2100
59°F
NE
7 mph
May 19, sunday
0000
54°F
N
2 mph
0300
50°F
N
6 mph
0600
52°F
NE
11 mph
0900
63°F
NE
21 mph
1200
70°F
E
26 mph
1500
72°F
E
29 mph
Units of measurement: °C / °F