When to paint a house exterior in Foster City, CA
When to paint in Foster City, 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 July, at about 30 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 Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov.
- 2Jan
- 5Feb
- 11Mar
- 18Apr
- 28May
- 28Jun
- 30Jul
- 29Aug
- 26Sep
- 25Oct
- 8Nov
- 1Dec
Month by month
| Month | Painting days | Staining days | With low-temp paint | Avg low / high |
|---|---|---|---|---|
| January | 2 | 2 | 20 | 44° / 59°F |
| February | 5 | 3 | 27 | 45° / 64°F |
| March | 11 | 7 | 30 | 47° / 66°F |
| April | 18 | 15 | 30 | 50° / 69°F |
| May | 28 | 27 | 30 | 53° / 71°F |
| June | 28 | 28 | 28 | 57° / 76°F |
| July | 30 | 30 | 30 | 58° / 78°F |
| August | 29 | 29 | 29 | 60° / 79°F |
| September | 26 | 26 | 26 | 59° / 79°F |
| October | 25 | 23 | 29 | 55° / 75°F |
| November | 8 | 6 | 27 | 47° / 65°F |
| December | 1 | 1 | 21 | 43° / 59°F |
Deck stain does best in July. Low-temperature paint adds about 116 days a year here.
Towns near Foster City compared
2 get fewer, down to 188 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. San Mateo, Redwood City, Belmont, San Carlos are read from the same station as Foster City, so their numbers match; the real difference is the distance from that station.
| Place | From Foster City | Painting days a year | Window | Station |
|---|---|---|---|---|
| San Mateo, CA | 3 mi west | 211 | April to October | same station |
| Redwood City, CA | 4 mi southeast | 211 | April to October | same station |
| Belmont, CA | 4 mi southwest | 211 | April to October | same station |
| San Carlos, CA | 5 mi south | 211 | April to October | same station |
| Hillsborough, CA | 6 mi west | 188 | April to October | San Francisco International A |
| Burlingame, CA | 6 mi west | 188 | April to October | San Francisco International A |
How Foster City ranks in CA
Of 376 CA places with 10,000 people or more, Foster City (population 32,657, 229th largest) ranks 93rd for painting days, 83 days above the state median of 128. The longest season in the state is Santa Clarita, 269 days, 302 miles southeast. The shortest is Susanville at 4. Switching to low-temperature paint here is worth 116 extra days, more than most of the summer months on their own.
Where these numbers come from
Daily records from San Carlos Airport (3.3 miles away), 2015 to 2024, NOAA Global Summary of the Day. A month is good at 12+ painting days and possible at 6+.