PaintDays

When to paint a house exterior in San Dimas, CA

When to paint in San Dimas, CA

A long painting season, with room to reschedule. The painting window is March to November, with 9 good months a year. The best month is May, at about 29 painting days. Book a painter by January.

If you want the house done in March to November, call for quotes in January or earlier; a job pushed past November is likely to wait until next year. For a deck, the months with enough staining days to spare are Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec.

  1. 6Jan
  2. 9Feb
  3. 14Mar
  4. 23Apr
  5. 29May
  6. 23Jun
  7. 18Jul
  8. 16Aug
  9. 20Sep
  10. 25Oct
  11. 16Nov
  12. 7Dec

Month by month

MonthPainting daysStaining daysWith low-temp paintAvg low / high
January663045° / 66°F
February972746° / 68°F
March14143049° / 70°F
April23232953° / 75°F
May29283056° / 74°F
June23232362° / 84°F
July18181866° / 90°F
August16141667° / 91°F
September20192064° / 87°F
October25242659° / 82°F
November16163051° / 74°F
December772945° / 66°F

Deck stain does best in May. Low-temperature paint adds about 102 days a year here.

Towns near San Dimas compared

1 of the 6 nearest places get more painting days, the most in Claremont (220 a year, 6 miles east). 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. La Verne, Glendora, Pomona, Covina, Walnut are read from the same station as San Dimas, so their numbers match; the real difference is the distance from that station.

PlaceFrom San DimasPainting days a yearWindowStation
La Verne, CA2 mi east205March to Novembersame station
Glendora, CA3 mi northwest205March to Novembersame station
Pomona, CA4 mi southeast205March to Novembersame station
Covina, CA4 mi west205March to Novembersame station
Claremont, CA6 mi east220March to JanuaryCable
Walnut, CA6 mi southwest205March to Novembersame station

How San Dimas ranks in CA

Of 376 CA places with 10,000 people or more, San Dimas (population 33,226, 226th largest) ranks 103rd for painting days, 78 days above the state median of 128. The longest season in the state is Santa Clarita, 269 days, 45 miles northwest. The shortest is Susanville at 4. Switching to low-temperature paint here is worth 102 extra days, more than most of the summer months on their own.

Where these numbers come from

Daily records from Brackett Field Airport (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+.