Frost dates for 89043Pioche, NV
The average last spring frost in Pioche is May 2 and the average first fall frost is October 17, giving a typical growing season of about 166 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- May 2
- Average first fall frost
- Oct 17
- Growing season
- 166 days
Safer after May 23 (1-in-10 risk)
Possible by Oct 3 (1-in-10 risk)
Last frost typically in 184 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 29 · May 15 · Jun 4 | Sep 26 · Oct 8 · Oct 22 | 144 days | 100% |
| Frost / freeze (32°F) | Apr 17 · May 2 · May 23 | Oct 3 · Oct 17 · Nov 3 | 166 days | 100% |
| Hard freeze (28°F) | Apr 1 · Apr 19 · May 9 | Oct 12 · Oct 28 · Nov 17 | 191 days | 100% |
Planting calendar for Pioche
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 – Jun 27 |
| 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 7 |
| Summer squash | Sow outdoors | May 18 – Jul 2 |
| Winter squash & pumpkins | Sow outdoors | Jun 1 – Jul 2 |
| Snap beans | Sow outdoors | May 18 – Jul 30 |
| Sweet corn | Sow outdoors | May 18 – Jun 27 |
| 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) | Jun 17 – Jun 27 |
| Broccoli | Transplant outdoors (fall) | Jul 17 – Jul 28 |
| Cabbage | Start seeds indoors (spring) | Mar 4 – Apr 1 |
| Cabbage | Transplant outdoors (spring) | Apr 1 – May 2 |
| Cabbage | Start seeds indoors (fall) | Jun 7 – Jul 7 |
| Cabbage | Transplant outdoors (fall) | Jul 7 – Aug 7 |
| Leaf lettuce | Sow outdoors (spring) | Apr 1 – Jun 17 |
| Leaf lettuce | Sow outdoors (fall) | Jul 7 – Aug 23 |
| Spinach | Sow outdoors (spring) | Mar 25 – May 8 |
| Spinach | Sow outdoors (fall) | Jul 24 – Aug 28 |
| Radishes | Sow outdoors (spring) | Apr 1 – May 22 |
| Radishes | Sow outdoors (fall) | Jul 7 – Sep 7 |
| Kale | Sow outdoors (spring) | Apr 18 – May 8 |
| Kale | Sow outdoors (fall) | Jun 30 – Aug 7 |
| Carrots | Sow outdoors (spring) | May 2 – Jun 17 |
| Carrots | Sow outdoors (fall) | Jun 7 – Jul 23 |
| Garlic | Plant outdoors (fall) | Oct 7 – Nov 7 |
Where these dates come from
ZIP code 89043 is matched to the NOAA station Pioche, NV, 6.3 km away, at 5,990 ft elevation (104 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Pioche, NV (used) | 5,990 ft | May 2 | Oct 17 |
| Cathedral Gorge Sp, NV | 4,830 ft | May 15 | Oct 4 |
| Spring Valley Sp, NV | 5,950 ft | — | — |
| Caliente, NV | 4,379 ft | May 3 | Oct 9 |
Frost dates near Pioche
- Panaca, NV 89042 · last May 15, first Oct 4
- Caliente, NV 89008 · last May 3, first Oct 9
- Modena, UT 84753 · last May 20, first Oct 3
- Beryl, UT 84714 · last May 31, first Sep 20
- Newcastle, UT 84756 · last May 31, first Sep 20
- Enterprise, UT 84725 · last May 21, first Oct 2
- Hiko, NV 89017 · last Apr 20, first Oct 26
- Central, UT 84722 · last May 9, first Oct 11
Frequently asked questions
- When is the last frost in Pioche, NV?
- For ZIP code 89043, the average last spring frost (32°F) is May 2, based on NOAA 1991-2020 climate normals for the Pioche, NV weather station. There is a 1-in-10 chance of a frost after May 23.
- When is the first frost in Pioche, NV?
- The average first fall frost (32°F) is October 17. There is a 1-in-10 chance of frost by October 3, so tender plants are at risk from that point on.
- How long is the growing season in 89043?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 166 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.