Frost dates for 92049 — Oceanside, CA
Last spring frostRaremost years have none
First fall frostRaremost years have none
Hardiness zone10aZone 10a
Gardening where frost is rare
Oceanside, 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 Oceanside Marina, CA weather station, 2 km away (elevation 10 ft (3 m)).
ZIP codes in Oceanside: 92049 92051 92052 92054 92056 92057 92058
Frost dates near Oceanside
- Camp Pendleton Jan 23 · Dec 11
- San Luis Rey Jan 23 · Dec 11
- Carlsbad rare frost
- Vista Jan 30 · Jan 7
- Encinitas rare frost
- San Marcos Jan 2 · Dec 30
- Bonsall Jan 30 · Jan 7
- Cardiff By The Sea rare frost
Frequently asked questions
When is the last frost in Oceanside, CA?
In most years Oceanside, 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.