World Resorts USA Casper Weather

Sunrise and sunset

Sunrise and sunset in Casper: December , 2025

Time of sunrise: 07:34
Time of sunset: 16:35
Time of moonrise: 10:16
Time of moonset: 20:11
Day length: 9 h. 1 min.

Table below shows sunrise and sunset data for the next several days. You can pick any time interval to get more data.

Interval:
-
Date Sunrise Sunset Day length
14.12.2025 07:29 16:31 9 h. 2 min.
15.12.2025 07:30 16:31 9 h. 1 min.
16.12.2025 07:30 16:32 9 h. 2 min.
17.12.2025 07:31 16:32 9 h. 1 min.
18.12.2025 07:31 16:32 9 h. 1 min.
19.12.2025 07:32 16:33 9 h. 1 min.
20.12.2025 07:33 16:33 9 h. 0 min.
21.12.2025 07:33 16:34 9 h. 1 min.
22.12.2025 07:34 16:34 9 h. 0 min.
23.12.2025 07:34 16:35 9 h. 1 min.
24.12.2025 07:34 16:35 9 h. 1 min.
25.12.2025 07:35 16:36 9 h. 1 min.
26.12.2025 07:35 16:37 9 h. 2 min.
27.12.2025 07:35 16:38 9 h. 3 min.
28.12.2025 07:36 16:38 9 h. 2 min.
29.12.2025 07:36 16:39 9 h. 3 min.
30.12.2025 07:36 16:40 9 h. 4 min.
31.12.2025 07:36 16:41 9 h. 5 min.
01.01.2026 07:36 16:42 9 h. 6 min.
02.01.2026 07:36 16:42 9 h. 6 min.
Monthly day length in Casper, hours

This chart show the number of hours when sun is above the horizon line.

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
+50°F
NE 12 mph
Feels like: +43°F
Precip.: 0%
Places in USA:
Name
°F
+52°F
+75°F
+75°F
+68°F
+61°F
+79°F
+77°F
+68°F
+37°F
+63°F
+55°F
+84°F
+82°F
+82°F
+55°F
24 Hours Forecast
Casper
Local time: 13:07
December 23, tuesday
1500
55°F
NE
18 mph
1800
48°F
NE
11 mph
2100
41°F
NE
11 mph
December 24, wednesday
0000
39°F
NE
14 mph
0300
37°F
NE
20 mph
0600
36°F
NE
23 mph
0900
39°F
NE
23 mph
1200
48°F
NE
21 mph
Units of measurement: °C / °F