Last frost date in Fremont, CA
The average last frost in Fremont is January 1. By January 22 the chance of another 32°F night drops to 1 in 10. The first fall frost usually arrives about December 27, which leaves 365 frost-free days. An early freeze before December 9 happens one year in ten.
- Safe after (10% risk)
- Jan 22
- Average first frost
- Dec 27
- Frost-free season
- 365 days
- Hard freeze (28°F) ends
- rare
No frost in the next 6 nights
National Weather Service forecast, updated Oct 22, 12:57 UTC
- ThuOct 2252°
- FriOct 2346°
- SatOct 2451°
- SunOct 2552°
- MonOct 2651°
- TueOct 2751°
Planting calendar for Fremont
Windows count forward or back from the average frost dates above. Click a crop for dates across California.
Frost probabilities
| Threshold | Spring, 90% chance later | Spring, 50% | Spring, 10% | Fall, 10% chance earlier | Fall, 50% | Fall, 90% |
|---|---|---|---|---|---|---|
| Light frost, 32°F | Dec 16 | Jan 1 | Jan 22 | Dec 9 | Dec 27 | Jan 14 |
Read the spring 10% column as the date after which only one year in ten still gets frost. That is the safer date for tomatoes, peppers and basil.
Where these numbers come from
NOAA station Newark (USC00046144) sits 5.2 miles from the center of Fremont at 10 feet. Its averages cover 1991 to 2020. Low spots, valleys and open fields can keep getting frost a week or two after the station stops; city centers and lakeshores usually get less of it.
Questions
When is the last frost in Fremont, CA?
The average last frost date in Fremont is January 1, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after January 22.
When is the first frost in Fremont?
The first frost in fall usually comes around December 27. One year in ten it arrives before December 9.
How long is the growing season in Fremont?
About 365 days between the average last and first frost.
When should I plant tomatoes in Fremont?
Plant tomato seedlings outside from February 15 to March 1. Start seeds indoors six to eight weeks earlier.
Nearby in California
- NewarkJan 1
- MilpitasJan 12
- Union CityJan 7
- SunnyvaleJan 6
- Santa ClaraJan 12
- Mountain ViewJan 6
- East Palo AltoFeb 1
- Menlo ParkFeb 1
- Los AltosJan 6
- PleasantonFeb 15
- HaywardJan 2
- Palo AltoFeb 1