Frost dates for 95915Belden, CA
The average last spring frost in Belden is April 17 and the average first fall frost is November 11, giving a typical growing season of about 206 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Apr 17
- Average first fall frost
- Nov 11
- Growing season
- 206 days
Safer after May 11 (1-in-10 risk)
Possible by Oct 21 (1-in-10 risk)
First frost typically in 15 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) | Apr 17 · May 5 · Jun 1 | Oct 4 · Oct 28 · Nov 11 | 171 days | 100% |
| Frost / freeze (32°F) | Mar 23 · Apr 17 · May 11 | Oct 21 · Nov 11 · Nov 28 | 206 days | 100% |
| Hard freeze (28°F) | Feb 5 · Mar 20 · Apr 20 | Nov 6 · Nov 27 · Dec 17 | 252 days | 100% |
Planting calendar for Belden
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 | Mar 17 – May 23 |
| Tomatoes | Transplant outdoors | May 3 – Jul 22 |
| Peppers | Start seeds indoors | Mar 17 – Apr 17 |
| Peppers | Transplant outdoors | May 17 – Jun 17 |
| Eggplant | Start seeds indoors | Apr 3 – May 2 |
| Eggplant | Transplant outdoors | May 17 – Jun 17 |
| Cucumbers | Sow outdoors | May 17 – Aug 1 |
| Summer squash | Sow outdoors | May 3 – Jun 17 |
| Winter squash & pumpkins | Sow outdoors | May 17 – Jun 17 |
| Snap beans | Sow outdoors | May 3 – Aug 24 |
| Sweet corn | Sow outdoors | May 3 – Jul 22 |
| Watermelon & cantaloupe | Sow outdoors | May 17 – Jun 17 |
| Okra | Sow outdoors | May 10 – Jun 2 |
| Peas | Sow outdoors (spring) | Mar 17 – May 2 |
| Potatoes | Plant outdoors (spring) | Mar 17 – May 17 |
| Onions | Start seeds indoors (spring) | Feb 3 – Mar 2 |
| Onions | Transplant outdoors (spring) | Apr 3 – May 2 |
| Broccoli | Start seeds indoors (spring) | Feb 27 – Apr 2 |
| Broccoli | Transplant outdoors (spring) | Apr 3 – May 2 |
| Broccoli | Start seeds indoors (fall) | Jul 12 – Jul 22 |
| Broccoli | Transplant outdoors (fall) | Aug 11 – Aug 22 |
| Cabbage | Start seeds indoors (spring) | Feb 17 – Mar 17 |
| Cabbage | Transplant outdoors (spring) | Mar 17 – Apr 17 |
| Cabbage | Start seeds indoors (fall) | Jul 2 – Aug 1 |
| Cabbage | Transplant outdoors (fall) | Aug 1 – Sep 1 |
| Leaf lettuce | Sow outdoors (spring) | Mar 17 – Jun 2 |
| Leaf lettuce | Sow outdoors (fall) | Aug 1 – Sep 17 |
| Spinach | Sow outdoors (spring) | Mar 10 – Apr 23 |
| Spinach | Sow outdoors (fall) | Aug 18 – Sep 22 |
| Radishes | Sow outdoors (spring) | Mar 17 – May 7 |
| Radishes | Sow outdoors (fall) | Aug 1 – Oct 2 |
| Kale | Sow outdoors (spring) | Apr 3 – Apr 23 |
| Kale | Sow outdoors (fall) | Jul 25 – Sep 1 |
| Carrots | Sow outdoors (spring) | Apr 17 – Jun 2 |
| Carrots | Sow outdoors (fall) | Jul 2 – Aug 17 |
| Garlic | Plant outdoors (fall) | Nov 1 – Dec 2 |
Where these dates come from
ZIP code 95915 is matched to the NOAA station De Sabla, CA, 34.3 km away, at 2,710 ft elevation (456 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| De Sabla, CA (used) | 2,710 ft | Apr 17 | Nov 11 |
| Canyon Dam, CA | 4,560 ft | May 18 | Oct 8 |
| Quincy, CA | 3,420 ft | May 22 | Sep 25 |
| Chester, CA | 4,530 ft | May 28 | Sep 28 |
Frost dates near Belden
- Twain, CA 95984 · last May 18, first Oct 8
- Storrie, CA 95980 · last Feb 7, first Dec 18
- Meadow Valley, CA 95956 · last May 22, first Sep 25
- Quincy, CA 95971 · last May 22, first Sep 25
- Stirling City, CA 95978 · last Apr 17, first Nov 11
- Crescent Mills, CA 95934 · last May 18, first Oct 8
- Magalia, CA 95954 · last Apr 17, first Nov 11
- Chester, CA 96020 · last May 28, first Sep 28
Frequently asked questions
- When is the last frost in Belden, CA?
- For ZIP code 95915, the average last spring frost (32°F) is April 17, based on NOAA 1991-2020 climate normals for the De Sabla, CA weather station. There is a 1-in-10 chance of a frost after May 11.
- When is the first frost in Belden, CA?
- The average first fall frost (32°F) is November 11. There is a 1-in-10 chance of frost by October 21, so tender plants are at risk from that point on.
- How long is the growing season in 95915?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 206 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.