When to paint a house exterior in Simi Valley, CA
When to paint in Simi Valley, CA
A normal season: plan the job, do not leave it late. The painting window is April to June, with 5 good months a year. The best month is May, at about 25 painting days. Book a painter by February.
If you want the house done in April to June, call for quotes in February 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, Feb, Mar, Apr, May, Jun, Aug, Sep, Oct, Nov.
- 5Jan
- 5Feb
- 10Mar
- 19Apr
- 25May
- 18Jun
- 6Jul
- 6Aug
- 13Sep
- 17Oct
- 11Nov
- 4Dec
Month by month
| Month | Painting days | Staining days | With low-temp paint | Avg low / high |
|---|---|---|---|---|
| January | 5 | 4 | 24 | 46° / 70°F |
| February | 5 | 5 | 22 | 46° / 72°F |
| March | 10 | 6 | 22 | 49° / 74°F |
| April | 19 | 17 | 23 | 53° / 80°F |
| May | 25 | 24 | 26 | 55° / 79°F |
| June | 18 | 18 | 18 | 61° / 89°F |
| July | 6 | 4 | 6 | 65° / 95°F |
| August | 6 | 5 | 6 | 66° / 96°F |
| September | 13 | 13 | 13 | 64° / 93°F |
| October | 17 | 16 | 18 | 58° / 88°F |
| November | 11 | 10 | 25 | 50° / 79°F |
| December | 4 | 3 | 25 | 45° / 71°F |
Deck stain does best in May. Low-temperature paint adds about 89 days a year here.
Towns near Simi Valley compared
4 of the 6 nearest places get more painting days, the most in Moorpark (181 a year, 7 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. Agoura Hills, Calabasas are read from the same station as Simi Valley, so their numbers match; the real difference is the distance from that station.
| Place | From Simi Valley | Painting days a year | Window | Station |
|---|---|---|---|---|
| Moorpark, CA | 7 mi west | 181 | May to October | Camarillo Airport |
| Agoura Hills, CA | 8 mi south | 137 | April to June | same station |
| Thousand Oaks, CA | 9 mi southwest | 181 | May to October | Camarillo Airport |
| Calabasas, CA | 10 mi southeast | 137 | April to June | same station |
| Fillmore, CA | 13 mi northwest | 181 | May to October | Camarillo Airport |
| Camarillo, CA | 17 mi west | 181 | May to October | Camarillo Airport |
How Simi Valley ranks in CA
Of 376 CA places with 10,000 people or more, Simi Valley (population 125,778, 48th largest) ranks 183rd for painting days, 9 days above the state median of 128. The longest season in the state is Santa Clarita, 269 days, 18 miles northeast. The shortest is Susanville at 4. Switching to low-temperature paint here is worth 89 extra days, more than most of the summer months on their own.
Where these numbers come from
Daily records from Van Nuys Airport (15.3 miles away), 2015 to 2024, NOAA Global Summary of the Day. A month is good at 12+ painting days and possible at 6+.