When to paint a house exterior in Walla Walla, WA
When to paint in Walla Walla, WA
A short season: book early and expect weather delays. The painting window is June, with 2 good months a year. The best month is September, at about 16 painting days. Book a painter by April.
If you want the house done in June, call for quotes in April or earlier; a job pushed past June is likely to wait until next year. For a deck, the months with enough staining days to spare are May, Jun, Jul, Aug, Sep, Oct.
- under 1Jan
- under 1Feb
- under 1Mar
- 1Apr
- 9May
- 13Jun
- 10Jul
- 10Aug
- 16Sep
- 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 | 1 | 28° / 44°F |
| February | under 1 | under 1 | 3 | 30° / 48°F |
| March | under 1 | under 1 | 9 | 36° / 57°F |
| April | 1 | 1 | 14 | 40° / 65°F |
| May | 9 | 6 | 21 | 48° / 75°F |
| June | 13 | 11 | 18 | 55° / 84°F |
| July | 10 | 10 | 10 | 62° / 93°F |
| August | 10 | 10 | 11 | 61° / 92°F |
| September | 16 | 14 | 22 | 53° / 80°F |
| October | 4 | 4 | 19 | 43° / 67°F |
| November | under 1 | under 1 | 4 | 34° / 51°F |
| December | under 1 | under 1 | 2 | 29° / 43°F |
Deck stain does best in September. Low-temperature paint adds about 69 days a year here.
Towns near Walla Walla compared
6 get fewer, down to 21 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 Walla Walla | Painting days a year | Window | Station |
|---|---|---|---|---|
| Pendleton, OR | 36 mi southwest | 36 | June to September | Eastern Or Regional At Pendle |
| Pasco, WA | 40 mi west | 34 | June | Tri-Cities Airport |
| Kennewick, WA | 41 mi west | 34 | June | Tri-Cities Airport |
| Richland, WA | 48 mi west | 47 | May to June | Richland Airport |
| Hermiston, OR | 48 mi west | 35 | June | Hermiston Municipal Airport |
| La Grande, OR | 53 mi south | 21 | none reliable | La Grande/Union County Airport |
How Walla Walla ranks in WA
Of 91 WA places with 10,000 people or more, Walla Walla (population 33,901, 38th largest) ranks 56th for painting days, 8 days below the state median of 71. The longest season in the state is Seattle, 108 days, 218 miles northwest. The shortest is Sunnyside at 27. Switching to low-temperature paint here is worth 69 extra days, more than most of the summer months on their own.
Where these numbers come from
Daily records from Walla Walla Regional Airport (3.1 miles away), 2015 to 2024, NOAA Global Summary of the Day. A month is good at 12+ painting days and possible at 6+.