When to paint a house exterior in Happy Valley, OR
When to paint in Happy Valley, OR
A short season: book early and expect weather delays. The painting window is July to August, with 2 good months a year. The best month is July, at about 18 painting days. Book a painter by May.
If you want the house done in July to August, call for quotes in May or earlier; a job pushed past August 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
- 1Mar
- 2Apr
- 8May
- 11Jun
- 18Jul
- 16Aug
- 11Sep
- 4Oct
- 1Nov
- under 1Dec
Month by month
| Month | Painting days | Staining days | With low-temp paint | Avg low / high |
|---|---|---|---|---|
| January | under 1 | under 1 | 6 | 37° / 48°F |
| February | under 1 | under 1 | 5 | 36° / 52°F |
| March | 1 | 1 | 7 | 39° / 58°F |
| April | 2 | 2 | 12 | 42° / 65°F |
| May | 8 | 4 | 18 | 48° / 74°F |
| June | 11 | 9 | 16 | 53° / 80°F |
| July | 18 | 17 | 19 | 57° / 87°F |
| August | 16 | 15 | 17 | 57° / 88°F |
| September | 11 | 11 | 18 | 52° / 79°F |
| October | 4 | 4 | 16 | 47° / 67°F |
| November | 1 | under 1 | 8 | 42° / 56°F |
| December | under 1 | under 1 | 6 | 37° / 48°F |
Deck stain does best in July. Low-temperature paint adds about 75 days a year here.
Towns near Happy Valley compared
1 of the 6 nearest places get more painting days, the most in Milwaukie (87 a year, 5 miles west). 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. Gresham, Fairview are read from the same station as Happy Valley, so their numbers match; the real difference is the distance from that station.
| Place | From Happy Valley | Painting days a year | Window | Station |
|---|---|---|---|---|
| Gladstone, OR | 5 mi southwest | 69 | June to August | Aurora State Airport |
| Milwaukie, OR | 5 mi west | 87 | June to September | Portland International Airport |
| Gresham, OR | 6 mi northeast | 72 | July to August | same station |
| Oregon City, OR | 8 mi southwest | 69 | June to August | Aurora State Airport |
| West Linn, OR | 8 mi southwest | 69 | June to August | Aurora State Airport |
| Fairview, OR | 9 mi northeast | 72 | July to August | same station |
How Happy Valley ranks in OR
Of 57 OR places with 10,000 people or more, Happy Valley (population 28,969, 20th largest) ranks 5th for painting days, 20 days above the state median of 52. The longest season in the state is Portland, 87 days, 10 miles northwest. The shortest is Klamath Falls at 5. Switching to low-temperature paint here is worth 75 extra days, more than most of the summer months on their own.
Where these numbers come from
Daily records from Portland-Troutdale Airport (9.4 miles away), 2015 to 2024, NOAA Global Summary of the Day. A month is good at 12+ painting days and possible at 6+.