When to paint a house exterior in San Bernardino, CA
When to paint in San Bernardino, CA
A normal season: plan the job, do not leave it late. The painting window is April to June, with 4 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 Mar, Apr, May, Jun, Sep, Oct, Nov.
- 4Jan
- 5Feb
- 12Mar
- 20Apr
- 25May
- 12Jun
- 3Jul
- 3Aug
- 11Sep
- 18Oct
- 8Nov
- 2Dec
Month by month
| Month | Painting days | Staining days | With low-temp paint | Avg low / high |
|---|---|---|---|---|
| January | 4 | 3 | 29 | 43° / 69°F |
| February | 5 | 2 | 26 | 44° / 73°F |
| March | 12 | 8 | 30 | 48° / 75°F |
| April | 20 | 19 | 26 | 53° / 80°F |
| May | 25 | 24 | 26 | 57° / 82°F |
| June | 12 | 12 | 12 | 63° / 92°F |
| July | 3 | 2 | 3 | 68° / 98°F |
| August | 3 | 3 | 3 | 68° / 98°F |
| September | 11 | 11 | 11 | 65° / 93°F |
| October | 18 | 14 | 21 | 58° / 86°F |
| November | 8 | 6 | 27 | 48° / 78°F |
| December | 2 | 2 | 29 | 43° / 69°F |
Deck stain does best in May. Low-temperature paint adds about 118 days a year here.
Towns near San Bernardino compared
3 get fewer, down to 117 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. Rialto, Colton, Grand Terrace are read from the same station as San Bernardino, so their numbers match; the real difference is the distance from that station.
| Place | From San Bernardino | Painting days a year | Window | Station |
|---|---|---|---|---|
| Rialto, CA | 6 mi west | 124 | April to June | same station |
| Colton, CA | 6 mi south | 124 | April to June | same station |
| Loma Linda, CA | 7 mi south | 117 | April to June | San Bernardino International |
| Highland, CA | 8 mi east | 117 | April to June | San Bernardino International |
| Grand Terrace, CA | 8 mi south | 124 | April to June | same station |
| Redlands, CA | 9 mi southeast | 117 | April to June | San Bernardino International |
How San Bernardino ranks in CA
Of 376 CA places with 10,000 people or more, San Bernardino (population 224,775, 18th largest) ranks 195th for painting days, 4 days below the state median of 128. The longest season in the state is Santa Clarita, 269 days, 71 miles west. The shortest is Susanville at 4. Switching to low-temperature paint here is worth 118 extra days, more than most of the summer months on their own.
Where these numbers come from
Daily records from Norton Army Airfield (3.8 miles away), 2015 to 2024, NOAA Global Summary of the Day. A month is good at 12+ painting days and possible at 6+.