Last frost date in Bay Point, CA
The average last frost in Bay Point is January 9. By February 12 the chance of another 32°F night drops to 1 in 10. The first fall frost usually arrives about December 14, which leaves 343 frost-free days. An early freeze before November 28 happens one year in ten.
- Safe after (10% risk)
- Feb 12
- Average first frost
- Dec 14
- Frost-free season
- 343 days
- Hard freeze (28°F) ends
- Dec 30
No frost in the next 6 nights
National Weather Service forecast, updated Oct 22, 12:57 UTC
- ThuOct 2254°
- FriOct 2352°
- SatOct 2451°
- SunOct 2552°
- MonOct 2652°
- TueOct 2752°
Planting calendar for Bay Point
Windows count forward or back from the average frost dates above. Click a crop for dates across California.
Frost probabilities
| Threshold | Spring, 90% chance later | Spring, 50% | Spring, 10% | Fall, 10% chance earlier | Fall, 50% | Fall, 90% |
|---|---|---|---|---|---|---|
| Light frost, 32°F | Dec 16 | Jan 9 | Feb 12 | Nov 28 | Dec 14 | Jan 16 |
| Hard freeze, 28°F | Dec 10 | Dec 30 | Jan 19 | Dec 5 | Dec 23 | Jan 12 |
Read the spring 10% column as the date after which only one year in ten still gets frost. That is the safer date for tomatoes, peppers and basil.
Where these numbers come from
NOAA station Concord Buchanan Field (USW00023254) sits 5.8 miles from the center of Bay Point at 18 feet. Its averages cover 1991 to 2020. Low spots, valleys and open fields can keep getting frost a week or two after the station stops; city centers and lakeshores usually get less of it.
Questions
When is the last frost in Bay Point, CA?
The average last frost date in Bay Point is January 9, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after February 12.
When is the first frost in Bay Point?
The first frost in fall usually comes around December 14. One year in ten it arrives before November 28.
How long is the growing season in Bay Point?
About 343 days between the average last and first frost.
When should I plant tomatoes in Bay Point?
Plant tomato seedlings outside from February 15 to March 1. Start seeds indoors six to eight weeks earlier.
Nearby in California
- PittsburgJan 12
- ConcordJan 9
- Pleasant HillJan 7
- MartinezFeb 28
- AntiochJan 12
- Walnut CreekJan 7
- BeniciaJan 17
- LafayetteJan 7
- OakleyJan 12
- BrentwoodJan 12
- Suisun CityJan 15
- DanvilleMar 8