Frost dates for 93234Huron, CA
The average last spring frost in Huron is February 27 and the average first fall frost is November 26, giving a typical growing season of about 271 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Feb 27
- Average first fall frost
- Nov 26
- Growing season
- 271 days
Safer after Apr 13 (1-in-10 risk)
Possible by Nov 8 (1-in-10 risk)
First frost typically in 30 days
Frost risk by date
NOAA reports frost dates as probabilities. The middle date is the average (a 50% chance). For spring, the 10% date is a safer planting date: frost after it happens in about 1 year in 10. Light frost (36°F) can damage tender plants; a hard freeze (28°F) kills most annuals.
| Temperature | Last spring: 90% / 50% / 10% chance | First fall: 10% / 50% / 90% chance | Growing season (50%) | Years with at least one |
|---|---|---|---|---|
| Light frost (36°F) | Feb 27 · Apr 3 · May 13 | Oct 26 · Nov 12 · Nov 26 | 221 days | 100% |
| Frost / freeze (32°F) | Jan 21 · Feb 27 · Apr 13 | Nov 8 · Nov 26 · Dec 16 | 271 days | 100% |
| Hard freeze (28°F) | Dec 20 · Jan 21 · Mar 12 | Nov 23 · Dec 9 · Jan 12 | 328 days | 89% |
Planting calendar for Huron
Planting windows from the University of Maryland Extension calendar, shifted to your average frost dates. Use them as a starting point and adjust for seed packet instructions and local conditions.
| Crop | Task | Window |
|---|---|---|
| Tomatoes | Start seeds indoors | Jan 27 – Apr 4 |
| Tomatoes | Transplant outdoors | Mar 15 – Aug 6 |
| Peppers | Start seeds indoors | Jan 27 – Feb 27 |
| Peppers | Transplant outdoors | Mar 29 – Apr 29 |
| Eggplant | Start seeds indoors | Feb 13 – Mar 14 |
| Eggplant | Transplant outdoors | Mar 29 – Apr 29 |
| Cucumbers | Sow outdoors | Mar 29 – Aug 16 |
| Summer squash | Sow outdoors | Mar 15 – Apr 29 |
| Winter squash & pumpkins | Sow outdoors | Mar 29 – Apr 29 |
| Snap beans | Sow outdoors | Mar 15 – Sep 8 |
| Sweet corn | Sow outdoors | Mar 15 – Aug 6 |
| Watermelon & cantaloupe | Sow outdoors | Mar 29 – Apr 29 |
| Okra | Sow outdoors | Mar 22 – Apr 14 |
| Peas | Sow outdoors (spring) | Jan 27 – Mar 14 |
| Potatoes | Plant outdoors (spring) | Jan 27 – Mar 29 |
| Onions | Start seeds indoors (spring) | Dec 16 – Jan 12 |
| Onions | Transplant outdoors (spring) | Feb 13 – Mar 14 |
| Broccoli | Start seeds indoors (spring) | Jan 9 – Feb 12 |
| Broccoli | Transplant outdoors (spring) | Feb 13 – Mar 14 |
| Broccoli | Start seeds indoors (fall) | Jul 27 – Aug 6 |
| Broccoli | Transplant outdoors (fall) | Aug 26 – Sep 6 |
| Cabbage | Start seeds indoors (spring) | Dec 30 – Jan 27 |
| Cabbage | Transplant outdoors (spring) | Jan 27 – Feb 27 |
| Cabbage | Start seeds indoors (fall) | Jul 17 – Aug 16 |
| Cabbage | Transplant outdoors (fall) | Aug 16 – Sep 16 |
| Leaf lettuce | Sow outdoors (spring) | Jan 27 – Apr 14 |
| Leaf lettuce | Sow outdoors (fall) | Aug 16 – Oct 2 |
| Spinach | Sow outdoors (spring) | Jan 20 – Mar 5 |
| Spinach | Sow outdoors (fall) | Sep 2 – Oct 7 |
| Radishes | Sow outdoors (spring) | Jan 27 – Mar 19 |
| Radishes | Sow outdoors (fall) | Aug 16 – Oct 17 |
| Kale | Sow outdoors (spring) | Feb 13 – Mar 5 |
| Kale | Sow outdoors (fall) | Aug 9 – Sep 16 |
| Carrots | Sow outdoors (spring) | Feb 27 – Apr 14 |
| Carrots | Sow outdoors (fall) | Jul 17 – Sep 1 |
| Garlic | Plant outdoors (fall) | Nov 16 – Dec 17 |
Where these dates come from
ZIP code 93234 is matched to the NOAA station Five Points 5 Ssw, CA, 14.9 km away, at 285 ft elevation (56 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Five Points 5 Ssw, CA (used) | 285 ft | Feb 27 | Nov 26 |
| Lemoore Reeves Nas, CA | 232 ft | Feb 24 | Nov 22 |
| Coalinga, CA | 670 ft | Feb 14 | Nov 30 |
| Kettleman City, CA | 240 ft | Feb 19 | Nov 29 |
Frost dates near Huron
- Five Points, CA 93624 · last Feb 27, first Nov 26
- Lemoore, CA 93246 · last Feb 19, first Nov 29
- Coalinga, CA 93210 · last Feb 14, first Nov 30
- Stratford, CA 93266 · last Feb 24, first Nov 22
- Avenal, CA 93204 · last Feb 14, first Nov 30
- Kettleman City, CA 93239 · last Feb 19, first Nov 29
- Riverdale, CA 93656 · last Feb 24, first Nov 22
- Helm, CA 93627 · last Feb 27, first Nov 26
Frequently asked questions
- When is the last frost in Huron, CA?
- For ZIP code 93234, the average last spring frost (32°F) is February 27, based on NOAA 1991-2020 climate normals for the Five Points 5 Ssw, CA weather station. There is a 1-in-10 chance of a frost after April 13.
- When is the first frost in Huron, CA?
- The average first fall frost (32°F) is November 26. There is a 1-in-10 chance of frost by November 8, so tender plants are at risk from that point on.
- How long is the growing season in 93234?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 271 days long.
- Are these frost dates a forecast?
- No. They are 30-year averages and probabilities from NOAA weather station records. Use them to plan, then watch your local forecast before planting tender crops or leaving them uncovered.