Frost Dates for Daly City, CA
In Daly City, CA, the average last spring frost is around Dec 30 and the average first fall frost around Dec 25, for a growing season of about 365 days. For frost-tender plants, wait until Mar 13, when the chance of frost drops to 10%.
Based on NOAA 1991–2020 records from the San Francisco Oceanside, CA weather station, 3 miles away, elevation 8 ft. Frost can come earlier in low spots and valleys and later near cities and large lakes.
Frost probability by date
Chance of a 32°F frost after the spring date, or before the fall date.
| Chance | Last spring frost | First fall frost |
|---|---|---|
| 10% | Mar 13 | Nov 26 |
| 20% | Feb 5 | Dec 6 |
| 30% | Jan 23 | Dec 12 |
| 40% | Jan 5 | Dec 20 |
| 50% | Dec 30 | Dec 25 |
| 60% | Dec 24 | Jan 1 |
| 70% | Dec 16 | Jan 12 |
| 80% | Dec 9 | Jan 28 |
| 90% | Dec 2 | Feb 13 |
Light frost vs. hard freeze
Average (50%) dates for each temperature. Tender plants are damaged at 36°F; most hardy crops survive until 28°F.
| Temperature | Last in spring | First in fall |
|---|---|---|
| Light frost (36°F) | Jan 15 | Dec 26 |
| Frost / freeze (32°F) | Dec 30 | Dec 25 |
| Hard freeze (28°F) | — | — |
Planting calendar for Daly City
Transplant Jan 6 – Jan 20
Transplant Jan 13 – Jan 27
Transplant Jan 13 – Jan 27
Transplant Jan 6 – Jan 20
Sow or transplant Jan 6 – Jan 20
Sow or transplant Jan 6 – Jan 20
Sow or transplant Jan 13 – Jan 27
Sow or transplant Dec 2 – Dec 16
Fall sowing Oct 30 – Nov 27
Fall sowing Oct 30 – Nov 20
Fall sowing Oct 16 – Oct 30
Sow or transplant Dec 2 – Dec 16
Fall sowing Oct 16 – Nov 13
Transplant Dec 16 – Dec 30
Fall sowing Oct 2 – Oct 16
Transplant Dec 9 – Dec 23
Fall sowing Oct 2 – Oct 16
Fall sowing Oct 2 – Oct 16
Fall sowing Nov 13 – Dec 4
Fall sowing Oct 16 – Oct 30
Plant Dec 2 – Dec 16
Based on the average last frost (Dec 30) and first frost (Dec 25). The dashed lines mark those dates. Seed packets list days to maturity; adjust for your varieties.