Kennewick, WA: shortest day and earliest sunset
The shortest day in Kennewick
On Dec 21 the sun rises at 7:37 am and sets at 4:13 pm: 8h 37m of daylight, a dark winter. The longest day of summer has 15h 47m, so the swing is 7h 10m.
When it gets better in Kennewick
- Earliest sunset: 4:11 pm on Dec 10, before the shortest day (here is why).
- Latest sunrise (standard time): 7:39 am on Jan 1.
- Back above 10 hours of daylight: Feb 8.
- By Feb 21 the days grow by 3.2 minutes a day.
Waking and coming home in the dark
With a 7:00 am alarm, the sun is not yet up on 89 weekdays a year. Heading home at 5:30 pm, it has already set on 80. 64 weekdays start and end in the dark. The alarm and lamp guide shows how that compares across the country.
At 46.2°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 Kennewick
- A sunrise alarm clock is worth considering if you get up at 7:00 am or earlier: 52 weekday mornings here are still properly dark at that hour, mostly between Oct 5 and Mar 19.
- On daylight grounds there is a strong case for a light therapy lamp: 64 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 Feb 19: worth checking your bike lights and porch light before Nov 2.
Daylight in Kennewick, month by month
Sunrise, sunset and day length on the 21st of each month, local clock time. December is the darkest, at 8h 37m.
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| July 2026 | 5:26 am | 8:39 pm | 15h 13m |
| August 2026 | 6:04 am | 7:55 pm | 13h 51m |
| September 2026 | 6:43 am | 6:56 pm | 12h 13m |
| October 2026 | 7:22 am | 5:59 pm | 10h 37m |
| November 2026 | 7:06 am | 4:19 pm | 9h 12m |
| December 2026 | 7:37 am | 4:13 pm | 8h 37m |
| January 2027 | 7:31 am | 4:46 pm | 9h 15m |
| February 2027 | 6:50 am | 5:31 pm | 10h 42m |
| March 2027 | 6:58 am | 7:11 pm | 12h 13m |
| April 2027 | 6:00 am | 7:52 pm | 13h 52m |
| May 2027 | 5:17 am | 8:30 pm | 15h 12m |
| June 2027 | 5:05 am | 8:52 pm | 15h 47m |
Kennewick against the places around it
On the shortest day, compared with Kennewick (8h 37m, sunset 4:13 pm):
- Pasco, WA, 5 mi away: 8h 36m of daylight (-1 min), sunset 4:13 pm (0 min).
- Richland, WA, 8 mi away: 8h 36m of daylight (-1 min), sunset 4:14 pm (+1 min).
- West Richland, WA, 13 mi away: 8h 36m of daylight (-1 min), sunset 4:14 pm (+1 min).
- Hermiston, OR, 26 mi away: 8h 40m of daylight (+3 min), sunset 4:15 pm (+2 min).
- Grandview, WA, 35 mi away: 8h 37m of daylight (0 min), sunset 4:16 pm (+3 min).