Frost dates for 89017Hiko, NV
The average last spring frost in Hiko is April 20 and the average first fall frost is October 26, giving a typical growing season of about 188 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Apr 20
- Average first fall frost
- Oct 26
- Growing season
- 188 days
Safer after May 10 (1-in-10 risk)
Possible by Oct 11 (1-in-10 risk)
First frost typically in 0 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 18 · May 3 · May 28 | Oct 1 · Oct 15 · Oct 30 | 160 days | 100% |
| Frost / freeze (32°F) | Apr 3 · Apr 20 · May 10 | Oct 11 · Oct 26 · Nov 9 | 188 days | 100% |
| Hard freeze (28°F) | Mar 10 · Apr 3 · Apr 23 | Oct 19 · Nov 6 · Nov 18 | 214 days | 100% |
Planting calendar for Hiko
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 20 – May 26 |
| Tomatoes | Transplant outdoors | May 6 – Jul 6 |
| Peppers | Start seeds indoors | Mar 20 – Apr 20 |
| Peppers | Transplant outdoors | May 20 – Jun 20 |
| Eggplant | Start seeds indoors | Apr 6 – May 5 |
| Eggplant | Transplant outdoors | May 20 – Jun 20 |
| Cucumbers | Sow outdoors | May 20 – Jul 16 |
| Summer squash | Sow outdoors | May 6 – Jun 20 |
| Winter squash & pumpkins | Sow outdoors | May 20 – Jun 20 |
| Snap beans | Sow outdoors | May 6 – Aug 8 |
| Sweet corn | Sow outdoors | May 6 – Jul 6 |
| Watermelon & cantaloupe | Sow outdoors | May 20 – Jun 20 |
| Okra | Sow outdoors | May 13 – Jun 5 |
| Peas | Sow outdoors (spring) | Mar 20 – May 5 |
| Potatoes | Plant outdoors (spring) | Mar 20 – May 20 |
| Onions | Start seeds indoors (spring) | Feb 6 – Mar 5 |
| Onions | Transplant outdoors (spring) | Apr 6 – May 5 |
| Broccoli | Start seeds indoors (spring) | Mar 2 – Apr 5 |
| Broccoli | Transplant outdoors (spring) | Apr 6 – May 5 |
| Broccoli | Start seeds indoors (fall) | Jun 26 – Jul 6 |
| Broccoli | Transplant outdoors (fall) | Jul 26 – Aug 6 |
| Cabbage | Start seeds indoors (spring) | Feb 20 – Mar 20 |
| Cabbage | Transplant outdoors (spring) | Mar 20 – Apr 20 |
| Cabbage | Start seeds indoors (fall) | Jun 16 – Jul 16 |
| Cabbage | Transplant outdoors (fall) | Jul 16 – Aug 16 |
| Leaf lettuce | Sow outdoors (spring) | Mar 20 – Jun 5 |
| Leaf lettuce | Sow outdoors (fall) | Jul 16 – Sep 1 |
| Spinach | Sow outdoors (spring) | Mar 13 – Apr 26 |
| Spinach | Sow outdoors (fall) | Aug 2 – Sep 6 |
| Radishes | Sow outdoors (spring) | Mar 20 – May 10 |
| Radishes | Sow outdoors (fall) | Jul 16 – Sep 16 |
| Kale | Sow outdoors (spring) | Apr 6 – Apr 26 |
| Kale | Sow outdoors (fall) | Jul 9 – Aug 16 |
| Carrots | Sow outdoors (spring) | Apr 20 – Jun 5 |
| Carrots | Sow outdoors (fall) | Jun 16 – Aug 1 |
| Garlic | Plant outdoors (fall) | Oct 16 – Nov 16 |
Where these dates come from
ZIP code 89017 is matched to the NOAA station Hiko, NV, 3.8 km away, at 3,900 ft elevation (27 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Hiko, NV (used) | 3,900 ft | Apr 20 | Oct 26 |
| Pahranagat Wr, NV | 3,334 ft | Apr 3 | Oct 31 |
| Rachel, NV | 4,820 ft | May 4 | Oct 8 |
| Caliente, NV | 4,379 ft | May 3 | Oct 9 |
Frost dates near Hiko
- Alamo, NV 89001 · last May 4, first Oct 8
- Caliente, NV 89008 · last May 3, first Oct 9
- Panaca, NV 89042 · last May 15, first Oct 4
- Pioche, NV 89043 · last May 2, first Oct 17
- Moapa, NV 89025 · last Jan 23, first Dec 13
- Mercury, NV 89023 · last Mar 10, first Nov 19
- Logandale, NV 89021 · last Feb 26, first Nov 22
- Mesquite, NV 89027 · last Mar 16, first Nov 13
Frequently asked questions
- When is the last frost in Hiko, NV?
- For ZIP code 89017, the average last spring frost (32°F) is April 20, based on NOAA 1991-2020 climate normals for the Hiko, NV weather station. There is a 1-in-10 chance of a frost after May 10.
- When is the first frost in Hiko, NV?
- The average first fall frost (32°F) is October 26. There is a 1-in-10 chance of frost by October 11, so tender plants are at risk from that point on.
- How long is the growing season in 89017?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 188 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.