Coalinga, CA frost dates
How Coalinga compares
- In 8 years out of 10, the last spring frost in Coalinga falls between January 10 and March 8, a 57-day window. The first fall frost falls between November 15 and December 21.
- The median last frost is 45 days earlier than the California median of Mar 31.
- Its 289-day growing season is longer than 90% of the 636 California places with a regular frost season (state median 235 days).
- The last frost is 6 days earlier than the zone 9b median of Feb 20. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 9b chart.
- The weather station records an average of 22 nights a year at or below 32°F.
- Compared with Hanford, CA, 66 km away, the last frost here is 7 days later than there and the growing season is 8 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | January 10 |
| 50% (median) | February 14 |
| 10% (safe for tender plants) | March 8 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | November 15 |
| 50% (median) | November 30 |
| 90% (late) | December 21 |
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 Coalinga, CA
Coalinga, CA frost dates — last frost Feb 14, first frost Nov 30, zone 9b. whenisthelastfrost.com
When to plant vegetables in Coalinga, CA
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Nov 22 – Dec 6 | Jan 17 – Jan 31 | — | — |
| Peppers | Dec 6 – Dec 20 | Feb 28 – Mar 14 | — | — |
| Eggplant | Dec 6 – Dec 20 | Feb 28 – Mar 14 | — | — |
| Tomatoes | Dec 20 – Jan 3 | Feb 21 – Mar 7 | — | — |
| Lettuce | Dec 20 – Jan 3 | Jan 24 – Feb 7 | Jan 17 – Feb 21 | Oct 5 – Nov 2 |
| Kale | Dec 20 – Jan 3 | Jan 17 – Jan 31 | Jan 17 – Jan 31 | Sep 21 – Oct 12 |
| Broccoli | Dec 20 – Jan 3 | Jan 31 – Feb 14 | — | Aug 24 – Sep 14 |
| Cabbage | Dec 20 – Jan 3 | Jan 24 – Feb 7 | — | Aug 24 – Sep 14 |
| Cauliflower | Dec 20 – Jan 3 | Jan 31 – Feb 14 | — | Aug 24 – Sep 14 |
| Okra | Jan 3 – Jan 17 | Mar 7 – Mar 21 | Mar 7 – Mar 21 | — |
| Basil | Jan 3 – Jan 17 | Feb 21 – Mar 7 | — | — |
| Peas | — | — | Jan 3 – Jan 24 | Sep 7 – Sep 28 |
| Spinach | — | — | Jan 3 – Jan 24 | Oct 5 – Oct 26 |
| Radishes | — | — | Jan 10 – Feb 21 | Oct 19 – Nov 9 |
| Cucumbers | Jan 17 – Jan 24 | Feb 28 – Mar 7 | Feb 21 – Mar 7 | Sep 14 – Sep 28 |
| Zucchini & Summer Squash | Jan 17 – Jan 24 | — | Feb 21 – Mar 7 | Sep 21 – Oct 5 |
| Winter Squash & Pumpkins | Jan 17 – Jan 24 | — | Feb 21 – Mar 7 | — |
| Melons & Watermelon | Jan 17 – Jan 24 | Feb 28 – Mar 14 | — | — |
| Carrots | — | — | Jan 24 – Feb 21 | Sep 7 – Sep 21 |
| Beets | — | — | Jan 24 – Feb 21 | Sep 21 – Oct 5 |
| Potatoes | — | — | Jan 24 – Feb 14 | — |
| Swiss Chard | — | — | Jan 31 – Feb 28 | Sep 21 – Oct 5 |
| Cilantro | — | — | Jan 31 – Feb 21 | Oct 5 – Oct 26 |
| Green Beans | — | — | Feb 21 – Mar 14 | Sep 14 – Sep 28 |
| Sweet Corn | — | — | Feb 21 – Mar 7 | — |
| Sweet Potatoes | — | Feb 28 – Mar 21 | — | — |
| Garlic | — | — | — | Nov 16 – Dec 21 |
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 Coalinga, CA weather station, 3 km away (elevation 669 ft (204 m)).
Frost dates near Coalinga
- Huron Feb 27 · Nov 26
- Avenal Feb 19 · Nov 29
- Five Points Feb 27 · Nov 26
- San Miguel Apr 4 · Nov 5
- Cantua Creek Feb 27 · Nov 26
- Kettleman City Feb 19 · Nov 29
- Lemoore Feb 24 · Nov 22
- Helm Feb 27 · Nov 26
- Stratford Feb 24 · Nov 22
- San Ardo May 8 · Oct 22
Frequently asked questions
When is the last frost in Coalinga, CA?
The median last spring frost in Coalinga, CA is February 14. There is still about a 10% chance of frost after March 8, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Coalinga, CA?
The median first fall frost is November 30, with about a 10% chance of frost before November 15.
How long is the growing season in Coalinga, CA?
About 289 days between the median last spring frost and first fall frost.
What planting zone is Coalinga, CA?
Coalinga, CA is in USDA hardiness zone 9b.