World Resorts USA Casper Weather

Casper weather in December

Weather in Casper: December

Average day temperature: 34.3°F
Average night temperature: 24.1°F
Number of sunny days: 17 days
Day length: 9.0 - 9.3 hours
Number of rainy days: 0 days
Precipitation totals: 0.3 in.

Air temperature in December, °F

Show year:
2024
2023
2022

The highest day temperature during December of 2024 was 46°F. At the same time the lowest night temperature was 18°F. Daily and nightly averages during December were 38.7°F and 26.5°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 0.3 in. Other months of the year show relatively similar values.

Wind speed in December, mph

The average wind speed value in December is 13.1 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 23 days
September 22 days
Warmest months:
July 85.5 °F
August 83.4 °F
June 76.9 °F
Coldest months:
January 28.3 °F
February 29.0 °F
December 34.3 °F
Rainiest months:
May 2 days
October 2 days
April 1 day
Windiest months:
December 13.1 mph
February 12.3 mph
November 11.9 mph

Casper on a weather map

Casper
+25°F
NE 14 mph
Feels like: +10°F
Precip.: 0%
Places in USA:
Name
°F
+30°F
+77°F
+77°F
+45°F
+55°F
+70°F
+77°F
+70°F
+25°F
+57°F
+48°F
+63°F
+63°F
+46°F
+9°F
24 Hours Forecast
Casper
Local time: 21:12
December 05, friday
0000
25°F
NE
13 mph
0300
25°F
NE
11 mph
0600
25°F
NE
9 mph
0900
27°F
E
5 mph
1200
34°F
E
6 mph
1500
36°F
NE
9 mph
1800
28°F
N
7 mph
2100
27°F
N
8 mph
Units of measurement: °C / °F