Frost dates for 89022Manhattan, NV
The average last spring frost in Manhattan is May 24 and the average first fall frost is September 28, giving a typical growing season of about 126 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- May 24
- Average first fall frost
- Sep 28
- Growing season
- 126 days
Safer after Jun 13 (1-in-10 risk)
Possible by Sep 8 (1-in-10 risk)
Last frost typically in 203 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 19 · Jun 6 · Jun 24 | Aug 30 · Sep 18 · Oct 2 | 100 days | 100% |
| Frost / freeze (32°F) | May 3 · May 24 · Jun 13 | Sep 8 · Sep 28 · Oct 13 | 126 days | 100% |
| Hard freeze (28°F) | Apr 19 · May 6 · Jun 2 | Sep 23 · Oct 8 · Oct 24 | 152 days | 100% |
Planting calendar for Manhattan
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 23 – Jun 29 |
| Tomatoes | Transplant outdoors | Jun 9 – Jun 8 |
| Peppers | Start seeds indoors | Apr 23 – May 24 |
| Peppers | Transplant outdoors | Jun 23 – Jul 24 |
| Eggplant | Start seeds indoors | May 10 – Jun 8 |
| Eggplant | Transplant outdoors | Jun 23 – Jul 24 |
| Cucumbers | Sow outdoors | Jun 23 – Jun 18 |
| Summer squash | Sow outdoors | Jun 9 – Jul 24 |
| Winter squash & pumpkins | Sow outdoors | Jun 23 – Jul 24 |
| Snap beans | Sow outdoors | Jun 9 – Jul 11 |
| Sweet corn | Sow outdoors | Jun 9 – Jun 8 |
| Watermelon & cantaloupe | Sow outdoors | Jun 23 – Jul 24 |
| Okra | Sow outdoors | Jun 16 – Jul 9 |
| Peas | Sow outdoors (spring) | Apr 23 – Jun 8 |
| Potatoes | Plant outdoors (spring) | Apr 23 – Jun 23 |
| Onions | Start seeds indoors (spring) | Mar 12 – Apr 8 |
| Onions | Transplant outdoors (spring) | May 10 – Jun 8 |
| Broccoli | Start seeds indoors (spring) | Apr 5 – May 9 |
| Broccoli | Transplant outdoors (spring) | May 10 – Jun 8 |
| Broccoli | Start seeds indoors (fall) | May 29 – Jun 8 |
| Broccoli | Transplant outdoors (fall) | Jun 28 – Jul 9 |
| Cabbage | Start seeds indoors (spring) | Mar 26 – Apr 23 |
| Cabbage | Transplant outdoors (spring) | Apr 23 – May 24 |
| Cabbage | Start seeds indoors (fall) | May 19 – Jun 18 |
| Cabbage | Transplant outdoors (fall) | Jun 18 – Jul 19 |
| Leaf lettuce | Sow outdoors (spring) | Apr 23 – Jul 9 |
| Leaf lettuce | Sow outdoors (fall) | Jun 18 – Aug 4 |
| Spinach | Sow outdoors (spring) | Apr 16 – May 30 |
| Spinach | Sow outdoors (fall) | Jul 5 – Aug 9 |
| Radishes | Sow outdoors (spring) | Apr 23 – Jun 13 |
| Radishes | Sow outdoors (fall) | Jun 18 – Aug 19 |
| Kale | Sow outdoors (spring) | May 10 – May 30 |
| Kale | Sow outdoors (fall) | Jun 11 – Jul 19 |
| Carrots | Sow outdoors (spring) | May 24 – Jul 9 |
| Carrots | Sow outdoors (fall) | May 19 – Jul 4 |
| Garlic | Plant outdoors (fall) | Sep 18 – Oct 19 |
Where these dates come from
ZIP code 89022 is matched to the NOAA station Smoky Valley - Carvers, NV, 28.6 km away, at 5,647 ft elevation (1,354 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Smoky Valley - Carvers, NV (used) | 5,647 ft | May 24 | Sep 28 |
| Tonopah, NV | 6,010 ft | Apr 30 | Oct 22 |
| Tonopah, NV | 5,395 ft | Apr 30 | Oct 18 |
| Reese River Ione 13Ne, NV | 6,413 ft | — | — |
Frost dates near Manhattan
- Round Mountain, NV 89045 · last May 24, first Sep 28
- Tonopah, NV 89049 · last Apr 30, first Oct 22
- Gabbs, NV 89409 · last May 1, first Oct 22
- Mina, NV 89422 · last Apr 14, first Oct 24
- Goldfield, NV 89013 · last Apr 27, first Oct 22
- Luning, NV 89420 · last Apr 14, first Oct 24
- Austin, NV 89310 · last May 18, first Oct 7
- Silverpeak, NV 89047 · last Jun 10, first Sep 17
Frequently asked questions
- When is the last frost in Manhattan, NV?
- For ZIP code 89022, the average last spring frost (32°F) is May 24, based on NOAA 1991-2020 climate normals for the Smoky Valley - Carvers, NV weather station. There is a 1-in-10 chance of a frost after June 13.
- When is the first frost in Manhattan, NV?
- The average first fall frost (32°F) is September 28. There is a 1-in-10 chance of frost by September 8, so tender plants are at risk from that point on.
- How long is the growing season in 89022?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 126 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.