When to paint a house exterior in Lewiston, ID
When to paint in Lewiston, ID
A short season: book early and expect weather delays. The painting window is May to September, and even that is thin, with 0 good months a year. The best month is June, at about 11 painting days. Book a painter by March.
If you want the house done in May to September, call for quotes in March or earlier; a job pushed past September is likely to wait until next year. For a deck, the months with enough staining days to spare are May, Jun, Jul, Aug, Sep.
- under 1Jan
- under 1Feb
- under 1Mar
- 1Apr
- 8May
- 11Jun
- 7Jul
- 7Aug
- 10Sep
- 4Oct
- under 1Nov
- under 1Dec
Month by month
| Month | Painting days | Staining days | With low-temp paint | Avg low / high |
|---|---|---|---|---|
| January | under 1 | under 1 | 3 | 29° / 44°F |
| February | under 1 | under 1 | 2 | 30° / 48°F |
| March | under 1 | under 1 | 6 | 34° / 57°F |
| April | 1 | 1 | 14 | 39° / 66°F |
| May | 8 | 4 | 21 | 48° / 77°F |
| June | 11 | 8 | 14 | 55° / 85°F |
| July | 7 | 5 | 7 | 61° / 95°F |
| August | 7 | 5 | 7 | 61° / 94°F |
| September | 10 | 9 | 18 | 52° / 82°F |
| October | 4 | 4 | 18 | 42° / 67°F |
| November | under 1 | under 1 | 5 | 34° / 52°F |
| December | under 1 | under 1 | 2 | 29° / 43°F |
Deck stain does best in September. Low-temperature paint adds about 71 days a year here.
Towns near Lewiston compared
2 of the 6 nearest places get more painting days, the most in Walla Walla (63 a year, 68 miles west); 4 get fewer, down to 30 a year. A gap like that between towns is usually elevation, a coast or a lake, which is why a painter from a few towns over can be on a different schedule.
| Place | From Lewiston | Painting days a year | Window | Station |
|---|---|---|---|---|
| Moscow, ID | 23 mi north | 30 | June to August | Pullman/Moscow Rgnl Airport |
| Pullman, WA | 25 mi north | 30 | June to August | Pullman/Moscow Rgnl Airport |
| Walla Walla, WA | 68 mi west | 63 | June | Walla Walla Regional Airport |
| Cheney, WA | 81 mi north | 58 | July to August | Spokane International Airport |
| Liberty Lake, WA | 88 mi north | 42 | June to September | Felts Field Airport |
| Spokane Valley, WA | 88 mi north | 42 | June to September | Felts Field Airport |
How Lewiston ranks in ID
Of 26 ID places with 10,000 people or more, Lewiston (population 34,693, 11th largest) ranks 5th for painting days, 10 days above the state median of 37. The longest season in the state is Meridian, 60 days, 194 miles south. The shortest is Ammon at 11. Switching to low-temperature paint here is worth 71 extra days, more than most of the summer months on their own.
Where these numbers come from
Daily records from Lewiston-Nez Perce County Air (1.6 miles away), 2015 to 2024, NOAA Global Summary of the Day. A month is good at 12+ painting days and possible at 6+.