Frost dates for 92365Newberry Springs, CA
The average last spring frost in Newberry Springs is February 19 and the average first fall frost is November 26, giving a typical growing season of about 279 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Feb 19
- Average first fall frost
- Nov 26
- Growing season
- 279 days
Safer after Mar 11 (1-in-10 risk)
Possible by Nov 10 (1-in-10 risk)
First frost typically in 23 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 18 · Mar 11 · Apr 6 | Oct 31 · Nov 16 · Nov 29 | 247 days | 100% |
| Frost / freeze (32°F) | Jan 23 · Feb 19 · Mar 11 | Nov 10 · Nov 26 · Dec 11 | 279 days | 100% |
| Hard freeze (28°F) | Dec 29 · Jan 28 · Feb 25 | Nov 22 · Dec 9 · Jan 1 | 317 days | 98% |
Planting calendar for Newberry Springs
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 19 – Mar 27 |
| Tomatoes | Transplant outdoors | Mar 7 – Aug 6 |
| Peppers | Start seeds indoors | Jan 19 – Feb 19 |
| Peppers | Transplant outdoors | Mar 21 – Apr 21 |
| Eggplant | Start seeds indoors | Feb 5 – Mar 6 |
| Eggplant | Transplant outdoors | Mar 21 – Apr 21 |
| Cucumbers | Sow outdoors | Mar 21 – Aug 16 |
| Summer squash | Sow outdoors | Mar 7 – Apr 21 |
| Winter squash & pumpkins | Sow outdoors | Mar 21 – Apr 21 |
| Snap beans | Sow outdoors | Mar 7 – Sep 8 |
| Sweet corn | Sow outdoors | Mar 7 – Aug 6 |
| Watermelon & cantaloupe | Sow outdoors | Mar 21 – Apr 21 |
| Okra | Sow outdoors | Mar 14 – Apr 6 |
| Peas | Sow outdoors (spring) | Jan 19 – Mar 6 |
| Potatoes | Plant outdoors (spring) | Jan 19 – Mar 21 |
| Onions | Start seeds indoors (spring) | Dec 8 – Jan 4 |
| Onions | Transplant outdoors (spring) | Feb 5 – Mar 6 |
| Broccoli | Start seeds indoors (spring) | Jan 1 – Feb 4 |
| Broccoli | Transplant outdoors (spring) | Feb 5 – Mar 6 |
| Broccoli | Start seeds indoors (fall) | Jul 27 – Aug 6 |
| Broccoli | Transplant outdoors (fall) | Aug 26 – Sep 6 |
| Cabbage | Start seeds indoors (spring) | Dec 22 – Jan 19 |
| Cabbage | Transplant outdoors (spring) | Jan 19 – Feb 19 |
| Cabbage | Start seeds indoors (fall) | Jul 17 – Aug 16 |
| Cabbage | Transplant outdoors (fall) | Aug 16 – Sep 16 |
| Leaf lettuce | Sow outdoors (spring) | Jan 19 – Apr 6 |
| Leaf lettuce | Sow outdoors (fall) | Aug 16 – Oct 2 |
| Spinach | Sow outdoors (spring) | Jan 12 – Feb 25 |
| Spinach | Sow outdoors (fall) | Sep 2 – Oct 7 |
| Radishes | Sow outdoors (spring) | Jan 19 – Mar 11 |
| Radishes | Sow outdoors (fall) | Aug 16 – Oct 17 |
| Kale | Sow outdoors (spring) | Feb 5 – Feb 25 |
| Kale | Sow outdoors (fall) | Aug 9 – Sep 16 |
| Carrots | Sow outdoors (spring) | Feb 19 – Apr 6 |
| Carrots | Sow outdoors (fall) | Jul 17 – Sep 1 |
| Garlic | Plant outdoors (fall) | Nov 16 – Dec 17 |
Where these dates come from
ZIP code 92365 is matched to the NOAA station Barstow Daggett Ap, CA, 5 km away, at 1,917 ft elevation (40 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Barstow Daggett Ap, CA (used) | 1,917 ft | Feb 19 | Nov 26 |
| Barstow, CA | 2,220 ft | Feb 22 | Nov 23 |
| Johnson Valley, CA | 3,167 ft | Mar 1 | Nov 29 |
| Victorville, CA | 2,880 ft | Mar 18 | Nov 11 |
Frost dates near Newberry Springs
- Yermo, CA 92398 · last Feb 19, first Nov 26
- Daggett, CA 92327 · last Feb 19, first Nov 26
- Barstow, CA 92312 · last Feb 22, first Nov 23
- Hinkley, CA 92347 · last Feb 22, first Nov 23
- Fort Irwin, CA 92310 · last Feb 22, first Nov 23
- Lucerne Valley, CA 92356 · last Mar 18, first Nov 11
- Helendale, CA 92342 · last Feb 22, first Nov 23
- Ludlow, CA 92338 · last Feb 19, first Nov 26
Frequently asked questions
- When is the last frost in Newberry Springs, CA?
- For ZIP code 92365, the average last spring frost (32°F) is February 19, based on NOAA 1991-2020 climate normals for the Barstow Daggett Ap, CA weather station. There is a 1-in-10 chance of a frost after March 11.
- When is the first frost in Newberry Springs, CA?
- The average first fall frost (32°F) is November 26. There is a 1-in-10 chance of frost by November 10, so tender plants are at risk from that point on.
- How long is the growing season in 92365?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 279 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.