PaintDays

When to paint a house exterior in Glendora, CA

When to paint in Glendora, 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 Glendora compared

2 of the 6 nearest places get more painting days, the most in Duarte (246 a year, 6 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. San Dimas, Azusa, Covina, La Verne are read from the same station as Glendora, so their numbers match; the real difference is the distance from that station.

PlaceFrom GlendoraPainting days a yearWindowStation
San Dimas, CA3 mi southeast205March to Novembersame station
Azusa, CA4 mi west205March to Novembersame station
Covina, CA4 mi southwest205March to Novembersame station
La Verne, CA5 mi east205March to Novembersame station
Duarte, CA6 mi west246February to DecemberEl Monte Airport
West Covina, CA7 mi southwest246February to DecemberEl Monte Airport

How Glendora ranks in CA

Of 376 CA places with 10,000 people or more, Glendora (population 50,101, 178th largest) ranks 100th for painting days, 78 days above the state median of 128. The longest season in the state is Santa Clarita, 269 days, 42 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 (4.8 miles away), 2015 to 2024, NOAA Global Summary of the Day. A month is good at 12+ painting days and possible at 6+.