World Resorts USA Great Falls Weather

Sunrise and sunset

Sunrise and sunset in Great Falls: May , 2026

Time of sunrise: 05:38
Time of sunset: 21:08
Time of moonrise: 15:38
Time of moonset: 02:56
Day length: 15 h. 30 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
16.05.2026 05:47 20:57 15 h. 10 min.
17.05.2026 05:46 20:59 15 h. 13 min.
18.05.2026 05:45 21:00 15 h. 15 min.
19.05.2026 05:44 21:01 15 h. 17 min.
20.05.2026 05:42 21:02 15 h. 20 min.
21.05.2026 05:41 21:03 15 h. 22 min.
22.05.2026 05:40 21:05 15 h. 25 min.
23.05.2026 05:39 21:06 15 h. 27 min.
24.05.2026 05:38 21:07 15 h. 29 min.
25.05.2026 05:38 21:08 15 h. 30 min.
26.05.2026 05:37 21:09 15 h. 32 min.
27.05.2026 05:36 21:10 15 h. 34 min.
28.05.2026 05:35 21:11 15 h. 36 min.
29.05.2026 05:34 21:12 15 h. 38 min.
30.05.2026 05:34 21:13 15 h. 39 min.
31.05.2026 05:33 21:14 15 h. 41 min.
01.06.2026 05:32 21:15 15 h. 43 min.
02.06.2026 05:32 21:16 15 h. 44 min.
03.06.2026 05:31 21:17 15 h. 46 min.
04.06.2026 05:31 21:18 15 h. 47 min.
05.06.2026 05:30 21:19 15 h. 49 min.
Monthly day length in Great Falls, hours

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

Best time for vacation in Great Falls

Sunniest months:
July 22 days
September 21 days
August 21 days
Warmest months:
July 83.9 °F
August 81.7 °F
September 74.4 °F
Coldest months:
February 31.0 °F
January 32.1 °F
December 34.3 °F
Rainiest months:
May 3 days
June 2 days
September 1 day
Windiest months:
November 9.7 mph
February 9.4 mph
December 9.3 mph

Great Falls on a weather map

Great Falls
+77°F
E 10 mph
Feels like: +75°F
Precip.: 0%
Places in USA:
Name
°F
+66°F
+77°F
+77°F
+93°F
+70°F
+79°F
+81°F
+72°F
+66°F
+66°F
+57°F
+82°F
+84°F
+77°F
+61°F
24 Hours Forecast
Great Falls
Local time: 19:53
May 25, monday
2100
77°F
E
10 mph
May 26, tuesday
0000
70°F
NE
6 mph
0300
63°F
N
3 mph
0600
59°F
N
2 mph
0900
68°F
NE
1 mph
1200
79°F
SW
7 mph
1500
81°F
W
13 mph
1800
82°F
W
11 mph
Units of measurement: °C / °F