Frost dates for 95607Capay, CA
The average last spring frost in Capay is February 18 and the average first fall frost is November 30, giving a typical growing season of about 284 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Feb 18
- Average first fall frost
- Nov 30
- Growing season
- 284 days
Safer after Mar 14 (1-in-10 risk)
Possible by Nov 15 (1-in-10 risk)
First frost typically in 28 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 24 · Mar 18 · Apr 13 | Nov 2 · Nov 15 · Nov 29 | 240 days | 100% |
| Frost / freeze (32°F) | Jan 17 · Feb 18 · Mar 14 | Nov 15 · Nov 30 · Dec 18 | 284 days | 100% |
| Hard freeze (28°F) | Dec 18 · Jan 14 · Feb 17 | Nov 28 · Dec 15 · Jan 12 | 336 days | 87% |
Planting calendar for Capay
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 18 – Mar 26 |
| Tomatoes | Transplant outdoors | Mar 6 – Aug 10 |
| Peppers | Start seeds indoors | Jan 18 – Feb 18 |
| Peppers | Transplant outdoors | Mar 20 – Apr 20 |
| Eggplant | Start seeds indoors | Feb 4 – Mar 5 |
| Eggplant | Transplant outdoors | Mar 20 – Apr 20 |
| Cucumbers | Sow outdoors | Mar 20 – Aug 20 |
| Summer squash | Sow outdoors | Mar 6 – Apr 20 |
| Winter squash & pumpkins | Sow outdoors | Mar 20 – Apr 20 |
| Snap beans | Sow outdoors | Mar 6 – Sep 12 |
| Sweet corn | Sow outdoors | Mar 6 – Aug 10 |
| Watermelon & cantaloupe | Sow outdoors | Mar 20 – Apr 20 |
| Okra | Sow outdoors | Mar 13 – Apr 5 |
| Peas | Sow outdoors (spring) | Jan 18 – Mar 5 |
| Potatoes | Plant outdoors (spring) | Jan 18 – Mar 20 |
| Onions | Start seeds indoors (spring) | Dec 7 – Jan 3 |
| Onions | Transplant outdoors (spring) | Feb 4 – Mar 5 |
| Broccoli | Start seeds indoors (spring) | Dec 31 – Feb 3 |
| Broccoli | Transplant outdoors (spring) | Feb 4 – Mar 5 |
| Broccoli | Start seeds indoors (fall) | Jul 31 – Aug 10 |
| Broccoli | Transplant outdoors (fall) | Aug 30 – Sep 10 |
| Cabbage | Start seeds indoors (spring) | Dec 21 – Jan 18 |
| Cabbage | Transplant outdoors (spring) | Jan 18 – Feb 18 |
| Cabbage | Start seeds indoors (fall) | Jul 21 – Aug 20 |
| Cabbage | Transplant outdoors (fall) | Aug 20 – Sep 20 |
| Leaf lettuce | Sow outdoors (spring) | Jan 18 – Apr 5 |
| Leaf lettuce | Sow outdoors (fall) | Aug 20 – Oct 6 |
| Spinach | Sow outdoors (spring) | Jan 11 – Feb 24 |
| Spinach | Sow outdoors (fall) | Sep 6 – Oct 11 |
| Radishes | Sow outdoors (spring) | Jan 18 – Mar 10 |
| Radishes | Sow outdoors (fall) | Aug 20 – Oct 21 |
| Kale | Sow outdoors (spring) | Feb 4 – Feb 24 |
| Kale | Sow outdoors (fall) | Aug 13 – Sep 20 |
| Carrots | Sow outdoors (spring) | Feb 18 – Apr 5 |
| Carrots | Sow outdoors (fall) | Jul 21 – Sep 5 |
| Garlic | Plant outdoors (fall) | Nov 20 – Dec 21 |
Where these dates come from
ZIP code 95607 is matched to the NOAA station Winters, CA, 23.9 km away, at 135 ft elevation (187 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Winters, CA (used) | 135 ft | Feb 18 | Nov 30 |
| Markley Cove, CA | 480 ft | Mar 6 | Nov 30 |
| Woodland 1 Wnw, CA | 67 ft | Feb 7 | Dec 5 |
| Lake Solano, CA | 187 ft | Feb 4 | Dec 5 |
Frost dates near Capay
- Esparto, CA 95627 · last Feb 18, first Nov 30
- Madison, CA 95653 · last Feb 18, first Nov 30
- Brooks, CA 95606 · last Mar 6, first Nov 30
- Guinda, CA 95637 · last Mar 6, first Nov 30
- Zamora, CA 95698 · last Feb 7, first Dec 5
- Dunnigan, CA 95937 · last Feb 7, first Dec 5
- Winters, CA 95694 · last Feb 18, first Nov 30
- Yolo, CA 95697 · last Feb 7, first Dec 5
Frequently asked questions
- When is the last frost in Capay, CA?
- For ZIP code 95607, the average last spring frost (32°F) is February 18, based on NOAA 1991-2020 climate normals for the Winters, CA weather station. There is a 1-in-10 chance of a frost after March 14.
- When is the first frost in Capay, CA?
- The average first fall frost (32°F) is November 30. There is a 1-in-10 chance of frost by November 15, so tender plants are at risk from that point on.
- How long is the growing season in 95607?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 284 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.