Frost dates for 96119Madeline, CA
The average last spring frost in Madeline is June 14 and the average first fall frost is September 18, giving a typical growing season of about 94 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Jun 14
- Average first fall frost
- Sep 18
- Growing season
- 94 days
Safer after Jul 3 (1-in-10 risk)
Possible by Aug 31 (1-in-10 risk)
Last frost typically in 224 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) | — | — | 68 days | 100% |
| Frost / freeze (32°F) | May 26 · Jun 14 · Jul 3 | Aug 31 · Sep 18 · Oct 3 | 94 days | 100% |
| Hard freeze (28°F) | May 5 · May 30 · Jun 24 | Sep 14 · Oct 1 · Oct 17 | 124 days | 100% |
Planting calendar for Madeline
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 | May 14 – Jul 20 |
| Tomatoes | Transplant outdoors | Jun 30 – May 29 |
| Peppers | Start seeds indoors | May 14 – Jun 14 |
| Peppers | Transplant outdoors | Jul 14 – Aug 14 |
| Eggplant | Start seeds indoors | May 31 – Jun 29 |
| Eggplant | Transplant outdoors | Jul 14 – Aug 14 |
| Cucumbers | Sow outdoors | Jul 14 – Jun 8 |
| Summer squash | Sow outdoors | Jun 30 – Aug 14 |
| Winter squash & pumpkins | Sow outdoors | Jul 14 – Aug 14 |
| Snap beans | Sow outdoors | Jun 30 – Jul 1 |
| Sweet corn | Sow outdoors | Jun 30 – May 29 |
| Watermelon & cantaloupe | Sow outdoors | Jul 14 – Aug 14 |
| Okra | Sow outdoors | Jul 7 – Jul 30 |
| Peas | Sow outdoors (spring) | May 14 – Jun 29 |
| Potatoes | Plant outdoors (spring) | May 14 – Jul 14 |
| Onions | Start seeds indoors (spring) | Apr 2 – Apr 29 |
| Onions | Transplant outdoors (spring) | May 31 – Jun 29 |
| Broccoli | Start seeds indoors (spring) | Apr 26 – May 30 |
| Broccoli | Transplant outdoors (spring) | May 31 – Jun 29 |
| Broccoli | Start seeds indoors (fall) | May 19 – May 29 |
| Broccoli | Transplant outdoors (fall) | Jun 18 – Jun 29 |
| Cabbage | Start seeds indoors (spring) | Apr 16 – May 14 |
| Cabbage | Transplant outdoors (spring) | May 14 – Jun 14 |
| Cabbage | Start seeds indoors (fall) | May 9 – Jun 8 |
| Cabbage | Transplant outdoors (fall) | Jun 8 – Jul 9 |
| Leaf lettuce | Sow outdoors (spring) | May 14 – Jul 30 |
| Leaf lettuce | Sow outdoors (fall) | Jun 8 – Jul 25 |
| Spinach | Sow outdoors (spring) | May 7 – Jun 20 |
| Spinach | Sow outdoors (fall) | Jun 25 – Jul 30 |
| Radishes | Sow outdoors (spring) | May 14 – Jul 4 |
| Radishes | Sow outdoors (fall) | Jun 8 – Aug 9 |
| Kale | Sow outdoors (spring) | May 31 – Jun 20 |
| Kale | Sow outdoors (fall) | Jun 1 – Jul 9 |
| Carrots | Sow outdoors (spring) | Jun 14 – Jul 30 |
| Carrots | Sow outdoors (fall) | May 9 – Jun 24 |
| Garlic | Plant outdoors (fall) | Sep 8 – Oct 9 |
Where these dates come from
ZIP code 96119 is matched to the NOAA station Jess Valley, CA, 39.1 km away, at 5,400 ft elevation (108 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Jess Valley, CA (used) | 5,400 ft | Jun 14 | Sep 18 |
| Adin Rs, CA | 4,195 ft | May 28 | Sep 29 |
| Alturas, CA | 4,378 ft | Jun 3 | Sep 13 |
| Alturas Muni Ap, CA | 4,375 ft | Jun 3 | Sep 12 |
Frost dates near Madeline
- Termo, CA 96132 · last Jun 14, first Sep 18
- Ravendale, CA 96123 · last Jun 14, first Sep 18
- Likely, CA 96116 · last Jun 3, first Sep 13
- Adin, CA 96006 · last May 28, first Sep 29
- Bieber, CA 96009 · last May 28, first Sep 29
- Eagleville, CA 96110 · last May 15, first Oct 1
- Nubieber, CA 96068 · last May 28, first Sep 29
- Alturas, CA 96101 · last Jun 3, first Sep 13
Frequently asked questions
- When is the last frost in Madeline, CA?
- For ZIP code 96119, the average last spring frost (32°F) is June 14, based on NOAA 1991-2020 climate normals for the Jess Valley, CA weather station. There is a 1-in-10 chance of a frost after July 3.
- When is the first frost in Madeline, CA?
- The average first fall frost (32°F) is September 18. There is a 1-in-10 chance of frost by August 31, so tender plants are at risk from that point on.
- How long is the growing season in 96119?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 94 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.