Oceanside, CA Frost Dates
The last spring frost in Oceanside usually comes around January 23 and the first fall frost around December 11.
| Spring (last) | Fall (first) | |
|---|---|---|
| Frost, 32°F | January 23 | December 11 |
| Hard freeze, 28°F | December 31 | December 23 |
Growing season: about 325 days.
Frequently asked questions
When is the last frost in Oceanside, CA?
The median date of the last spring frost (32°F) is January 23. In half of years the last frost comes earlier and in half it comes later, so waiting a week or two past January 23 lowers the risk for tender plants.
When is the first frost in Oceanside?
The median date of the first fall frost (32°F) is December 11, and a hard freeze (28°F) usually follows around December 23.
How long is the growing season in Oceanside?
About 325 days between the median last spring frost and first fall frost.
NOAA NCEI U.S. Climate Normals 1991-2020, station USW00053121. Median (50% probability) dates. Low spots and valleys can frost later in spring and earlier in fall than the station.