Frost dates for 92838 — Fullerton, CA
Last spring frostRaremost years have none
First fall frostRaremost years have none
Hardiness zone10bZone 10b
Gardening where frost is rare
Fullerton, CA rarely or never drops to freezing, so the usual "plant after the last frost" rule doesn't apply. Heat and rainfall decide the seasons instead:
- Cool-season crops (lettuce, broccoli, peas, carrots) grow best from fall through late winter.
- Warm-season crops (tomatoes, peppers, beans, squash) do best planted in late winter to spring, and again in late summer for a fall crop — midsummer heat can stop tomatoes setting fruit.
- Heat lovers (okra, sweet potatoes, melons) can be planted through spring and early summer.
About these dates
Based on 1991–2020 NOAA climate normals for the Fullerton Muni Ap, CA weather station, 5 km away (elevation 95 ft (29 m)).
ZIP codes in Fullerton: 92831 92832 92833 92834 92835 92836 92837 92838
Frost dates near Fullerton
- La Habra rare frost
- Anaheim rare frost
- Placentia rare frost
- Brea rare frost
- Buena Park rare frost
- La Mirada rare frost
- Atwood rare frost
- Rowland Heights rare frost
Frequently asked questions
When is the last frost in Fullerton, CA?
In most years Fullerton, CA has no frost at all. The nearest NOAA station averages 0 nights a year at or below 32°F — too few to calculate a typical frost date.