When to paint a house exterior in Walnut Creek, CA
When to paint in Walnut Creek, CA
A normal season: plan the job, do not leave it late. The painting window is August to October, with 5 good months a year. The best month is May, at about 20 painting days. Book a painter by June.
If you want the house done in August to October, call for quotes in June 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 Apr, May, Jun, Jul, Aug, Sep, Oct.
- 1Jan
- under 1Feb
- 3Mar
- 9Apr
- 20May
- 16Jun
- 11Jul
- 13Aug
- 16Sep
- 15Oct
- 3Nov
- under 1Dec
Month by month
| Month | Painting days | Staining days | With low-temp paint | Avg low / high |
|---|---|---|---|---|
| January | 1 | 1 | 15 | 41° / 61°F |
| February | under 1 | under 1 | 17 | 41° / 66°F |
| March | 3 | 1 | 20 | 44° / 68°F |
| April | 9 | 8 | 25 | 48° / 75°F |
| May | 20 | 16 | 24 | 52° / 80°F |
| June | 16 | 16 | 16 | 57° / 89°F |
| July | 11 | 11 | 11 | 59° / 93°F |
| August | 13 | 10 | 13 | 60° / 92°F |
| September | 16 | 15 | 16 | 58° / 89°F |
| October | 15 | 13 | 24 | 52° / 82°F |
| November | 3 | 1 | 22 | 43° / 69°F |
| December | under 1 | under 1 | 13 | 40° / 61°F |
Deck stain does best in May. Low-temperature paint adds about 108 days a year here.
Towns near Walnut Creek compared
1 of the 6 nearest places get more painting days, the most in Moraga (163 a year, 6 miles southwest). 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. Pleasant Hill, Lafayette, Concord, Clayton, Orinda are read from the same station as Walnut Creek, so their numbers match; the real difference is the distance from that station.
| Place | From Walnut Creek | Painting days a year | Window | Station |
|---|---|---|---|---|
| Pleasant Hill, CA | 4 mi northwest | 106 | August to October | same station |
| Lafayette, CA | 4 mi west | 106 | August to October | same station |
| Concord, CA | 5 mi northeast | 106 | August to October | same station |
| Moraga, CA | 6 mi southwest | 163 | May to October | Metro Oakland International Airport |
| Clayton, CA | 7 mi northeast | 106 | August to October | same station |
| Orinda, CA | 7 mi west | 106 | August to October | same station |
How Walnut Creek ranks in CA
Of 376 CA places with 10,000 people or more, Walnut Creek (population 70,817, 124th largest) ranks 215th for painting days, 22 days below the state median of 128. The longest season in the state is Santa Clarita, 269 days, 311 miles southeast. The shortest is Susanville at 4. Switching to low-temperature paint here is worth 108 extra days, more than most of the summer months on their own.
Where these numbers come from
Daily records from Buchanan Field Airport (6.2 miles away), 2015 to 2024, NOAA Global Summary of the Day. A month is good at 12+ painting days and possible at 6+.