PaintDays

When to paint a house exterior in Norco, CA

When to paint in Norco, CA

A normal season: plan the job, do not leave it late. The painting window is May to June, with 3 good months a year. The best month is June, at about 20 painting days. Book a painter by March.

If you want the house done in May to June, call for quotes in March 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 Jan, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov.

  1. 4Jan
  2. 2Feb
  3. 2Mar
  4. 6Apr
  5. 16May
  6. 20Jun
  7. 9Jul
  8. 8Aug
  9. 13Sep
  10. 10Oct
  11. 4Nov
  12. 2Dec

Month by month

MonthPainting daysStaining daysWith low-temp paintAvg low / high
January441940° / 71°F
February221739° / 71°F
March212242° / 73°F
April662646° / 79°F
May16162750° / 78°F
June20202256° / 86°F
July99961° / 92°F
August87860° / 94°F
September13131457° / 91°F
October10102050° / 86°F
November442041° / 78°F
December221437° / 71°F

Deck stain does best in June. Low-temperature paint adds about 121 days a year here.

Towns near Norco compared

3 of the 6 nearest places get more painting days, the most in Ontario (114 a year, 8 miles north); 2 get fewer, down to 76 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. Corona is read from the same station as Norco, so its numbers match; the real difference is the distance from that station.

PlaceFrom NorcoPainting days a yearWindowStation
Eastvale, CA3 mi northwest76May to JuneChino Airport
Corona, CA4 mi south96May to Junesame station
Jurupa Valley, CA7 mi northeast103April to JuneRiverside Municipal Airport
Chino, CA7 mi northwest76May to JuneChino Airport
Ontario, CA8 mi north114April to JuneOntario International Airport
Riverside, CA9 mi east103April to JuneRiverside Municipal Airport

How Norco ranks in CA

Of 376 CA places with 10,000 people or more, Norco (population 25,400, 273rd largest) ranks 238th for painting days, 32 days below the state median of 128. The longest season in the state is Santa Clarita, 269 days, 64 miles northwest. The shortest is Susanville at 4. Switching to low-temperature paint here is worth 121 extra days, more than most of the summer months on their own.

Where these numbers come from

Daily records from Corona Municipal Airport (3.4 miles away), 2015 to 2024, NOAA Global Summary of the Day. A month is good at 12+ painting days and possible at 6+.