Frost dates for Fremont, California
In a typical year, Fremont’s last spring frost lands around Jan 7 and the first fall frost around Dec 22, a growing season of about 349 days. These are odds drawn from 30-year NOAA climate normals, not a promise. USDA zone 9b.
Right now the growing season is open, with about 58 days until the typical first fall frost.
| Odds | Last spring frost | First fall frost |
|---|---|---|
| 10 percent | Dec 14 | Dec 2 |
| 50 percent | Jan 7 | Dec 22 |
| 90 percent | Feb 7 | Jan 21 |
A 10 percent year is an early year, a 90 percent year a late one. Frost-sensitive planting usually waits for the 90 percent side of the last-frost band.
Soil in Fremont is typically around 61°F at 4 inches this time of year, estimated from the last two weeks of normal air temperatures.
Plantable now in Fremont
- Radish (Cherry Belle)
- Lettuce (Buttercrunch)
- Spinach (Space)
- Swiss chard (Bright Lights)
- Bok choy (Joi Choi)
- Pea (Sugar Ann)
- Dill (Bouquet)
- Beet (Chioggia)
Timing comes from the same temperature engine the app uses, run against Fremont’s normals for today.
Common questions
When is the last frost in Fremont, California?
Fremont’s last spring frost falls around January 7 in a typical year. One year in ten it is done by December 14, and one year in ten frost holds on until February 7. Frost-sensitive planting usually waits for the late side of that band.
When is the first fall frost in Fremont?
The first fall frost arrives around December 22 in a typical year, as early as December 2 in an early year and as late as January 21 in a late one.
How long is the growing season in Fremont?
About 349 days, counted between the typical last spring frost and the typical first fall frost.
What USDA zone is Fremont in?
Fremont is in USDA hardiness zone 9b under the 2023 USDA Plant Hardiness Zone Map.
Dates come from 30-year NOAA climate normals for the nearest reporting station. They describe odds, not a forecast.
Nearby cities
- Hayward, CA (around Jan 2 to Dec 25)
- Sunnyvale, CA (around Jan 6 to Dec 23)
- Santa Clara, CA (around Jan 12 to Dec 22)
- San Jose, CA (around Jan 2 to Dec 25)
- Oakland, CA (around Jan 3 to Jan 1)
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