Rexburg, ID: shortest day and earliest sunset
The shortest day in Rexburg
On Dec 21 the sun rises at 7:58 am and sets at 4:53 pm: 8h 55m of daylight, a dark winter. The longest day of summer has 15h 28m, so the swing is 6h 33m.
When it gets better in Rexburg
- Earliest sunset: 4:50 pm on Dec 9, before the shortest day (here is why).
- Latest sunrise (standard time): 8:01 am on Jan 2.
- Back above 10 hours of daylight: Feb 4.
- By Feb 21 the days grow by 2.9 minutes a day.
Waking and coming home in the dark
With a 7:00 am alarm, the sun is not yet up on 141 weekdays a year. Heading home at 5:30 pm, it has already set on 62. 62 weekdays start and end in the dark. The alarm and lamp guide shows how that compares across the country.
At 43.8°N this is as far north as, or farther than, Nashua NH (43°N), where a 1990 survey found 9.7% of adults reported winter depression.
What to do about it in Rexburg
- A sunrise alarm clock is worth getting here: on 104 weekdays the sun is still at least 20 minutes from rising at 7:00 am. Dark mornings run from Sep 10 to Apr 5, so set it up before Sep 10.
- On daylight grounds there is a strong case for a light therapy lamp: 62 weekdays start and end in the dark. Use it in the morning, and if winter low mood is the reason, ask a doctor before you rely on one.
- If you head home at 5:30 pm, the sun has already set from Nov 2 to Jan 26: worth checking your bike lights and porch light before Nov 2.
Daylight in Rexburg, month by month
Sunrise, sunset and day length on the 21st of each month, local clock time. December is the darkest, at 8h 55m.
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| July 2026 | 6:05 am | 9:02 pm | 14h 57m |
| August 2026 | 6:38 am | 8:21 pm | 13h 43m |
| September 2026 | 7:13 am | 7:26 pm | 12h 13m |
| October 2026 | 7:49 am | 6:33 pm | 10h 44m |
| November 2026 | 7:30 am | 4:56 pm | 9h 27m |
| December 2026 | 7:58 am | 4:53 pm | 8h 55m |
| January 2027 | 7:54 am | 5:23 pm | 9h 29m |
| February 2027 | 7:17 am | 6:05 pm | 10h 48m |
| March 2027 | 7:29 am | 7:41 pm | 12h 12m |
| April 2027 | 6:34 am | 8:18 pm | 13h 44m |
| May 2027 | 5:56 am | 8:52 pm | 14h 57m |
| June 2027 | 5:45 am | 9:13 pm | 15h 28m |
Rexburg against the places around it
On the shortest day, compared with Rexburg (8h 55m, sunset 4:53 pm):
- Ammon, ID, 25 mi away: 8h 57m of daylight (+2 min), sunset 4:55 pm (+2 min).
- Idaho Falls, ID, 26 mi away: 8h 57m of daylight (+2 min), sunset 4:55 pm (+2 min).
- Blackfoot, ID, 52 mi away: 8h 59m of daylight (+4 min), sunset 4:57 pm (+4 min).
- Jackson, WY, 56 mi away: 8h 57m of daylight (+2 min), sunset 4:50 pm (-3 min), on America/Denver time.
- Chubbuck, ID, 70 mi away: 9h 01m of daylight (+6 min), sunset 4:58 pm (+5 min).