When to paint a house exterior in Imperial, CA
When to paint in Imperial, CA
A short season: book early and expect weather delays. The painting window is March to May, and even that is thin, with 0 good months a year. The best month is March, at about 11 painting days. Book a painter by January.
If you want the house done in March to May, call for quotes in January or earlier; a job pushed past May is likely to wait until next year. For a deck, the months with enough staining days to spare are Mar, Apr, Oct, Nov.
- 2Jan
- 5Feb
- 11Mar
- 10Apr
- 7May
- under 1Jun
- under 1Jul
- under 1Aug
- 1Sep
- 9Oct
- 11Nov
- 1Dec
Month by month
| Month | Painting days | Staining days | With low-temp paint | Avg low / high |
|---|---|---|---|---|
| January | 2 | 2 | 26 | 42° / 71°F |
| February | 5 | 4 | 24 | 44° / 75°F |
| March | 11 | 11 | 25 | 50° / 81°F |
| April | 10 | 10 | 13 | 56° / 91°F |
| May | 7 | 3 | 7 | 62° / 96°F |
| June | under 1 | under 1 | under 1 | 71° / 106°F |
| July | under 1 | under 1 | under 1 | 79° / 111°F |
| August | under 1 | under 1 | under 1 | 80° / 110°F |
| September | 1 | under 1 | 1 | 73° / 104°F |
| October | 9 | 9 | 10 | 61° / 93°F |
| November | 11 | 9 | 27 | 49° / 80°F |
| December | 1 | 1 | 27 | 42° / 72°F |
Deck stain does best in March. Low-temperature paint adds about 104 days a year here.
Towns near Imperial compared
3 of the 6 nearest places get more painting days, the most in Somerton (89 a year, 53 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. El Centro, Brawley, Calexico are read from the same station as Imperial, so their numbers match; the real difference is the distance from that station.
| Place | From Imperial | Painting days a year | Window | Station |
|---|---|---|---|---|
| El Centro, CA | 4 mi south | 56 | March to May | same station |
| Brawley, CA | 10 mi north | 56 | March to May | same station |
| Calexico, CA | 12 mi southeast | 56 | March to May | same station |
| Somerton, AZ | 53 mi east | 89 | March to April | Yuma Mcas |
| San Luis, AZ | 55 mi southeast | 89 | March to April | Yuma Mcas |
| Yuma, AZ | 65 mi east | 89 | March to April | Yuma Mcas |
How Imperial ranks in CA
Of 376 CA places with 10,000 people or more, Imperial (population 22,102, 289th largest) ranks 310th for painting days, 72 days below the state median of 128. The longest season in the state is Santa Clarita, 269 days, 201 miles northwest. The shortest is Susanville at 4. Switching to low-temperature paint here is worth 104 extra days, more than most of the summer months on their own.
Where these numbers come from
Daily records from Imperial County Airport (0.5 miles away), 2015 to 2024, NOAA Global Summary of the Day. A month is good at 12+ painting days and possible at 6+.