Alameda, CA Frost Dates
The last spring frost in Alameda usually comes around January 7 and the first fall frost around December 23.
| Spring (last) | Fall (first) | |
|---|---|---|
| Frost, 32°F | January 7 | December 23 |
| Hard freeze, 28°F | December 30 | December 28 |
Growing season: about 356 days.
Frequently asked questions
When is the last frost in Alameda, CA?
The median date of the last spring frost (32°F) is January 7. In half of years the last frost comes earlier and in half it comes later, so waiting a week or two past January 7 lowers the risk for tender plants.
When is the first frost in Alameda?
The median date of the first fall frost (32°F) is December 23, and a hard freeze (28°F) usually follows around December 28.
How long is the growing season in Alameda?
About 356 days between the median last spring frost and first fall frost.
NOAA NCEI U.S. Climate Normals 1991-2020, station USW00023230. Median (50% probability) dates. Low spots and valleys can frost later in spring and earlier in fall than the station.