World Resorts USA Boulder Weather

Sunrise and sunset

Sunrise and sunset in Boulder: January 0, 2026

Time of sunrise: 07:23
Time of sunset: 16:47
Time of moonrise: 14:46
Time of moonset: 05:51
Day length: 9 h. 24 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
22.12.2025 07:20 16:40 9 h. 20 min.
23.12.2025 07:21 16:40 9 h. 19 min.
24.12.2025 07:21 16:41 9 h. 20 min.
25.12.2025 07:22 16:41 9 h. 19 min.
26.12.2025 07:22 16:42 9 h. 20 min.
27.12.2025 07:22 16:43 9 h. 21 min.
28.12.2025 07:23 16:43 9 h. 20 min.
29.12.2025 07:23 16:44 9 h. 21 min.
30.12.2025 07:23 16:45 9 h. 22 min.
31.12.2025 07:23 16:46 9 h. 23 min.
01.01.2026 07:23 16:47 9 h. 24 min.
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.
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
+37°F
E 10 mph
Feels like: +32°F
Precip.: 0%
Places in USA:
Name
°F
+32°F
+73°F
+73°F
+46°F
+57°F
+43°F
+52°F
+66°F
+30°F
+63°F
+52°F
+45°F
+41°F
+45°F
+16°F
24 Hours Forecast
Boulder
Local time: 02:42
January 01, thursday
0300
37°F
E
10 mph
0600
41°F
E
9 mph
0900
41°F
E
11 mph
1200
46°F
E
8 mph
1500
45°F
E
1 mph
1800
43°F
E
6 mph
2100
41°F
E
8 mph
January 02, friday
0000
41°F
E
8 mph
Units of measurement: °C / °F