Templeton, CA frost dates
How Templeton compares
- In 8 years out of 10, the last spring frost in Templeton falls between February 12 and April 13, a 60-day window. The first fall frost falls between October 23 and November 29.
- The median last frost is 16 days earlier than the California median of Mar 31.
- Its 240-day growing season is longer than 53% of the 636 California places with a regular frost season (state median 235 days).
- The last frost is 12 days later than the zone 9a median of Mar 3. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 9a chart.
- The weather station records an average of 54 nights a year at or below 32°F.
- Nearby Santa Maria, CA, 74 km away, gets only light, occasional frost, a reminder of how much elevation and distance from the coast matter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | February 12 |
| 50% (median) | March 15 |
| 10% (safe for tender plants) | April 13 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 23 |
| 50% (median) | November 10 |
| 90% (late) | November 29 |
Frost here means 32°F (0°C). A median date means half of years have their last frost earlier and half later.
Planting calendar for Templeton, CA
Templeton, CA frost dates — last frost Mar 15, first frost Nov 10, zone 9a. whenisthelastfrost.com
When to plant vegetables in Templeton, CA
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Dec 21 – Jan 4 | Feb 15 – Mar 1 | — | — |
| Peppers | Jan 4 – Jan 18 | Mar 29 – Apr 12 | — | — |
| Eggplant | Jan 4 – Jan 18 | Mar 29 – Apr 12 | — | — |
| Tomatoes | Jan 18 – Feb 1 | Mar 22 – Apr 5 | — | — |
| Lettuce | Jan 18 – Feb 1 | Feb 22 – Mar 8 | Feb 15 – Mar 22 | Sep 15 – Oct 13 |
| Kale | Jan 18 – Feb 1 | Feb 15 – Mar 1 | Feb 15 – Mar 1 | Sep 1 – Sep 22 |
| Broccoli | Jan 18 – Feb 1 | Mar 1 – Mar 15 | — | Aug 4 – Aug 25 |
| Cabbage | Jan 18 – Feb 1 | Feb 22 – Mar 8 | — | Aug 4 – Aug 25 |
| Cauliflower | Jan 18 – Feb 1 | Mar 1 – Mar 15 | — | Aug 4 – Aug 25 |
| Okra | Feb 1 – Feb 15 | Apr 5 – Apr 19 | Apr 5 – Apr 19 | — |
| Basil | Feb 1 – Feb 15 | Mar 22 – Apr 5 | — | — |
| Peas | — | — | Feb 1 – Feb 22 | Aug 18 – Sep 8 |
| Spinach | — | — | Feb 1 – Feb 22 | Sep 15 – Oct 6 |
| Radishes | — | — | Feb 8 – Mar 22 | Sep 29 – Oct 20 |
| Cucumbers | Feb 15 – Feb 22 | Mar 29 – Apr 5 | Mar 22 – Apr 5 | Aug 25 – Sep 8 |
| Zucchini & Summer Squash | Feb 15 – Feb 22 | — | Mar 22 – Apr 5 | Sep 1 – Sep 15 |
| Winter Squash & Pumpkins | Feb 15 – Feb 22 | — | Mar 22 – Apr 5 | — |
| Melons & Watermelon | Feb 15 – Feb 22 | Mar 29 – Apr 12 | — | — |
| Carrots | — | — | Feb 22 – Mar 22 | Aug 18 – Sep 1 |
| Beets | — | — | Feb 22 – Mar 22 | Sep 1 – Sep 15 |
| Potatoes | — | — | Feb 22 – Mar 15 | — |
| Swiss Chard | — | — | Mar 1 – Mar 29 | Sep 1 – Sep 15 |
| Cilantro | — | — | Mar 1 – Mar 22 | Sep 15 – Oct 6 |
| Green Beans | — | — | Mar 22 – Apr 12 | Aug 25 – Sep 8 |
| Sweet Corn | — | — | Mar 22 – Apr 5 | — |
| Sweet Potatoes | — | Mar 29 – Apr 19 | — | — |
| Garlic | — | — | — | Oct 27 – Dec 1 |
Dates come from the median frost dates and common extension-service timing. Adjust for your soil temperature, microclimate and the varieties you grow.
About these dates
Based on 1991–2020 NOAA climate normals for the Paso Robles, CA weather station, 8 km away (elevation 732 ft (223 m)).
Frost dates near Templeton
- Atascadero Jan 19 · Jan 14
- Paso Robles Apr 4 · Nov 5
- Cayucos Jan 19 · Jan 14
- Morro Bay Jan 19 · Jan 14
- Harmony Jan 19 · Jan 14
- Creston Apr 4 · Nov 5
- Los Osos Jan 19 · Jan 14
- San Luis Obispo Jan 16 · Dec 25
- Shandon Apr 4 · Nov 5
- Cambria Feb 13 · Feb 1
Frequently asked questions
When is the last frost in Templeton, CA?
The median last spring frost in Templeton, CA is March 15. There is still about a 10% chance of frost after April 13, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Templeton, CA?
The median first fall frost is November 10, with about a 10% chance of frost before October 23.
How long is the growing season in Templeton, CA?
About 240 days between the median last spring frost and first fall frost.
What planting zone is Templeton, CA?
Templeton, CA is in USDA hardiness zone 9a.