World Resorts USA Boulder Weather

Sunrise and sunset

Sunrise and sunset in Boulder: January , 2026

Time of sunrise: 07:23
Time of sunset: 16:56
Time of moonrise: 01:10
Time of moonset: 11:38
Day length: 9 h. 33 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
02.01.2026 07:23 16:47 9 h. 24 min.
03.01.2026 07:23 16:48 9 h. 25 min.
04.01.2026 07:23 16:49 9 h. 26 min.
05.01.2026 07:23 16:50 9 h. 27 min.
06.01.2026 07:23 16:51 9 h. 28 min.
07.01.2026 07:23 16:52 9 h. 29 min.
08.01.2026 07:23 16:53 9 h. 30 min.
09.01.2026 07:23 16:54 9 h. 31 min.
10.01.2026 07:23 16:55 9 h. 32 min.
11.01.2026 07:23 16:56 9 h. 33 min.
12.01.2026 07:22 16:57 9 h. 35 min.
13.01.2026 07:22 16:58 9 h. 36 min.
14.01.2026 07:22 16:59 9 h. 37 min.
15.01.2026 07:21 17:00 9 h. 39 min.
16.01.2026 07:21 17:02 9 h. 41 min.
17.01.2026 07:20 17:03 9 h. 43 min.
18.01.2026 07:20 17:04 9 h. 44 min.
19.01.2026 07:19 17:05 9 h. 46 min.
20.01.2026 07:19 17:06 9 h. 47 min.
21.01.2026 07:18 17:07 9 h. 49 min.
22.01.2026 07:18 17:09 9 h. 51 min.
Monthly day length in Boulder, hours

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

Best time for vacation in Boulder

Sunniest months:
October 20 days
September 20 days
November 19 days
Warmest months:
July 75.7 °F
August 74.6 °F
June 69.7 °F
Coldest months:
January 30.0 °F
February 32.0 °F
March 38.3 °F
Rainiest months:
June 6 days
July 4 days
May 4 days
Windiest months:
December 8.7 mph
February 8.4 mph
January 8.3 mph

Boulder on a weather map

Boulder
+46°F
E 9 mph
Feels like: +43°F
Precip.: 0%
Places in USA:
Name
°F
+34°F
+75°F
+75°F
+52°F
+64°F
+75°F
+77°F
+72°F
+34°F
+68°F
+55°F
+64°F
+63°F
+52°F
+28°F
24 Hours Forecast
Boulder
Local time: 19:05
January 11, sunday
2100
37°F
E
11 mph
January 12, monday
0000
32°F
E
11 mph
0300
32°F
E
12 mph
0600
34°F
E
11 mph
0900
37°F
E
10 mph
1200
52°F
SE
2 mph
1500
55°F
E
4 mph
1800
48°F
E
9 mph
Units of measurement: °C / °F