Frost dates for 95335Long Barn, CA
The average last spring frost in Long Barn is May 2 and the average first fall frost is November 4, giving a typical growing season of about 183 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- May 2
- Average first fall frost
- Nov 4
- Growing season
- 183 days
Safer after May 29 (1-in-10 risk)
Possible by Oct 15 (1-in-10 risk)
First frost typically in 6 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) | May 1 · May 21 · Jun 9 | Oct 1 · Oct 19 · Nov 7 | 153 days | 100% |
| Frost / freeze (32°F) | Apr 14 · May 2 · May 29 | Oct 15 · Nov 4 · Nov 22 | 183 days | 100% |
| Hard freeze (28°F) | Mar 23 · Apr 16 · May 10 | Nov 1 · Nov 20 · Dec 7 | 217 days | 100% |
Planting calendar for Long Barn
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 | Apr 1 – Jun 7 |
| Tomatoes | Transplant outdoors | May 18 – Jul 15 |
| Peppers | Start seeds indoors | Apr 1 – May 2 |
| Peppers | Transplant outdoors | Jun 1 – Jul 2 |
| Eggplant | Start seeds indoors | Apr 18 – May 17 |
| Eggplant | Transplant outdoors | Jun 1 – Jul 2 |
| Cucumbers | Sow outdoors | Jun 1 – Jul 25 |
| Summer squash | Sow outdoors | May 18 – Jul 2 |
| Winter squash & pumpkins | Sow outdoors | Jun 1 – Jul 2 |
| Snap beans | Sow outdoors | May 18 – Aug 17 |
| Sweet corn | Sow outdoors | May 18 – Jul 15 |
| Watermelon & cantaloupe | Sow outdoors | Jun 1 – Jul 2 |
| Okra | Sow outdoors | May 25 – Jun 17 |
| Peas | Sow outdoors (spring) | Apr 1 – May 17 |
| Potatoes | Plant outdoors (spring) | Apr 1 – Jun 1 |
| Onions | Start seeds indoors (spring) | Feb 18 – Mar 17 |
| Onions | Transplant outdoors (spring) | Apr 18 – May 17 |
| Broccoli | Start seeds indoors (spring) | Mar 14 – Apr 17 |
| Broccoli | Transplant outdoors (spring) | Apr 18 – May 17 |
| Broccoli | Start seeds indoors (fall) | Jul 5 – Jul 15 |
| Broccoli | Transplant outdoors (fall) | Aug 4 – Aug 15 |
| Cabbage | Start seeds indoors (spring) | Mar 4 – Apr 1 |
| Cabbage | Transplant outdoors (spring) | Apr 1 – May 2 |
| Cabbage | Start seeds indoors (fall) | Jun 25 – Jul 25 |
| Cabbage | Transplant outdoors (fall) | Jul 25 – Aug 25 |
| Leaf lettuce | Sow outdoors (spring) | Apr 1 – Jun 17 |
| Leaf lettuce | Sow outdoors (fall) | Jul 25 – Sep 10 |
| Spinach | Sow outdoors (spring) | Mar 25 – May 8 |
| Spinach | Sow outdoors (fall) | Aug 11 – Sep 15 |
| Radishes | Sow outdoors (spring) | Apr 1 – May 22 |
| Radishes | Sow outdoors (fall) | Jul 25 – Sep 25 |
| Kale | Sow outdoors (spring) | Apr 18 – May 8 |
| Kale | Sow outdoors (fall) | Jul 18 – Aug 25 |
| Carrots | Sow outdoors (spring) | May 2 – Jun 17 |
| Carrots | Sow outdoors (fall) | Jun 25 – Aug 10 |
| Garlic | Plant outdoors (fall) | Oct 25 – Nov 25 |
Where these dates come from
ZIP code 95335 is matched to the NOAA station Cherry Valley Dam, CA, 23.2 km away, at 4,765 ft elevation (222 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Cherry Valley Dam, CA (used) | 4,765 ft | May 2 | Nov 4 |
| Calaveras Big Trees, CA | 4,695 ft | May 7 | Oct 28 |
| Sonora, CA | 1,675 ft | Apr 9 | Nov 9 |
| Groveland 2, CA | 2,800 ft | Apr 22 | Nov 2 |
Frost dates near Long Barn
- Mi Wuk Village, CA 95346 · last May 7, first Oct 28
- Twain Harte, CA 95383 · last Apr 16, first Nov 12
- Soulsbyville, CA 95372 · last Apr 22, first Nov 2
- Pinecrest, CA 95364 · last May 2, first Nov 4
- Strawberry, CA 95375 · last May 2, first Nov 4
- Tuolumne, CA 95379 · last Apr 22, first Nov 2
- Sonora, CA 95370 · last Apr 9, first Nov 9
- Standard, CA 95373 · last Apr 9, first Nov 9
Frequently asked questions
- When is the last frost in Long Barn, CA?
- For ZIP code 95335, the average last spring frost (32°F) is May 2, based on NOAA 1991-2020 climate normals for the Cherry Valley Dam, CA weather station. There is a 1-in-10 chance of a frost after May 29.
- When is the first frost in Long Barn, CA?
- The average first fall frost (32°F) is November 4. There is a 1-in-10 chance of frost by October 15, so tender plants are at risk from that point on.
- How long is the growing season in 95335?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 183 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.