Last frost date in Morro Bay, California
January 19
Average last frost in spring. In an early year (1 in 10) it's over by December 30; in a late year (1 in 10) it comes after February 9.
January 14
Average first frost in fall. 1 year in 10 it comes by December 25.
A 32°F night happens here about 1 years in 10; in those years these are the usual dates.
Source: NOAA U.S. Climate Normals 1991–2020, station Morro Bay Fire Dept (USC00045866), 1.3 miles from Morro Bay, elevation 118 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.
| Early year | Average | Late year | |
|---|---|---|---|
| Last frost in spring | Dec 30 | Jan 19 | Feb 9 |
| First frost in fall | Dec 25 | Jan 14 | Feb 8 |
Frost-free days in an average year: 365
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | 6 years in 10 | Jan 21 | Dec 31 |
| Frost (32°F) | 1 years in 10 | Jan 19 | Jan 14 |
| Hard freeze (28°F) | Under 1 year in 20 | — | — |
Nights at 32°F or colder in an average year: 2.5
What to plant now in Morro Bay
Nothing in USDA's planting table is in its window in Morro Bay right now, or opens in the next 45 days.
- Spring planting calendar for an average last frost around January 30 Morro Bay: January 19
Planting dates: USDA Home and Garden Bulletin No. 9 (1967), “Suburban and Farm Vegetable Gardens,” tables 4 and 5. How we match the table.
Nearby in California
- San Luis Obispo 13 mi · last frost Jan 31
- El Paso de Robles (Paso Robles) 22 mi · last frost Mar 15
- Arroyo Grande 23 mi · last frost Feb 1
- Santa Maria 38 mi · last frost Feb 4
- Lompoc 54 mi · last frost Jan 20
Updated