PaintDays

When to paint a house exterior in Hermiston, OR

When to paint in Hermiston, OR

A short season: book early and expect weather delays. The painting window is June, and even that is thin, with 0 good months a year. The best month is June, at about 8 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 Jun, Aug, Sep.

  1. under 1Jan
  2. under 1Feb
  3. under 1Mar
  4. 1Apr
  5. 6May
  6. 8Jun
  7. 5Jul
  8. 6Aug
  9. 7Sep
  10. 2Oct
  11. under 1Nov
  12. under 1Dec

Month by month

MonthPainting daysStaining daysWith low-temp paintAvg low / high
Januaryunder 1under 1227° / 44°F
Februaryunder 1under 1327° / 51°F
Marchunder 1under 1632° / 60°F
April111437° / 68°F
May642046° / 79°F
June871653° / 88°F
July54658° / 96°F
August66856° / 94°F
September762149° / 83°F
October221739° / 69°F
Novemberunder 1under 1432° / 53°F
Decemberunder 1under 1227° / 44°F

Deck stain does best in June. Low-temperature paint adds about 85 days a year here.

Towns near Hermiston compared

3 of the 6 nearest places get more painting days, the most in Richland (47 a year, 31 miles north). 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.

PlaceFrom HermistonPainting days a yearWindowStation
Pendleton, OR25 mi southeast36June to SeptemberEastern Or Regional At Pendle
Kennewick, WA26 mi north34JuneTri-Cities Airport
Pasco, WA31 mi north34JuneTri-Cities Airport
Richland, WA31 mi north47May to JuneRichland Airport
West Richland, WA34 mi north47May to JuneRichland Airport
Grandview, WA41 mi northwest47May to JuneRichland Airport

How Hermiston ranks in OR

Of 57 OR places with 10,000 people or more, Hermiston (population 19,746, 32nd largest) ranks 46th for painting days, 17 days below the state median of 52. The longest season in the state is Portland, 87 days, 164 miles west. The shortest is Klamath Falls at 5. Switching to low-temperature paint here is worth 85 extra days, more than most of the summer months on their own.

Where these numbers come from

Daily records from Hermiston Municipal Airport (1.2 miles away), 2015 to 2024, NOAA Global Summary of the Day. A month is good at 12+ painting days and possible at 6+.