When to paint a house exterior in El Cajon, CA
When to paint in El Cajon, CA
A long painting season, with room to reschedule. The painting window is April to October, with 7 good months a year. The best month is May, at about 29 painting days. Book a painter by February.
If you want the house done in April to October, call for quotes in February or earlier; a job pushed past October is likely to wait until next year. For a deck, the months with enough staining days to spare are Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov.
- 3Jan
- 4Feb
- 10Mar
- 18Apr
- 29May
- 26Jun
- 24Jul
- 20Aug
- 21Sep
- 21Oct
- 8Nov
- 3Dec
Month by month
| Month | Painting days | Staining days | With low-temp paint | Avg low / high |
|---|---|---|---|---|
| January | 3 | 2 | 27 | 42° / 70°F |
| February | 4 | 4 | 25 | 43° / 72°F |
| March | 10 | 8 | 30 | 47° / 73°F |
| April | 18 | 18 | 28 | 52° / 76°F |
| May | 29 | 29 | 31 | 57° / 74°F |
| June | 26 | 26 | 26 | 61° / 82°F |
| July | 24 | 24 | 24 | 65° / 87°F |
| August | 20 | 20 | 20 | 66° / 89°F |
| September | 21 | 19 | 21 | 64° / 86°F |
| October | 21 | 19 | 24 | 56° / 83°F |
| November | 8 | 8 | 28 | 46° / 77°F |
| December | 3 | 3 | 26 | 42° / 70°F |
Deck stain does best in May. Low-temperature paint adds about 122 days a year here.
Towns near El Cajon compared
2 of the 6 nearest places get more painting days, the most in National City (219 a year, 12 miles southwest); 1 gets fewer, down to 179 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. Santee, La Mesa, Lemon Grove are read from the same station as El Cajon, so their numbers match; the real difference is the distance from that station.
| Place | From El Cajon | Painting days a year | Window | Station |
|---|---|---|---|---|
| Santee, CA | 4 mi north | 187 | April to October | same station |
| La Mesa, CA | 4 mi southwest | 187 | April to October | same station |
| Lemon Grove, CA | 6 mi southwest | 187 | April to October | same station |
| San Diego, CA | 10 mi west | 208 | April to November | Montgomery Field Airport |
| National City, CA | 12 mi southwest | 219 | March to November | North Island Naval Air Station |
| Chula Vista, CA | 12 mi south | 179 | May to October | Brown Field Municipal Airport |
How El Cajon ranks in CA
Of 376 CA places with 10,000 people or more, El Cajon (population 103,291, 70th largest) ranks 128th for painting days, 59 days above the state median of 128. The longest season in the state is Santa Clarita, 269 days, 142 miles northwest. The shortest is Susanville at 4. Switching to low-temperature paint here is worth 122 extra days, more than most of the summer months on their own.
Where these numbers come from
Daily records from Gillespie Field Airport (1.8 miles away), 2015 to 2024, NOAA Global Summary of the Day. A month is good at 12+ painting days and possible at 6+.