Frost dates for 89445Winnemucca, NV
The average last spring frost in Winnemucca is May 23 and the average first fall frost is September 29, giving a typical growing season of about 129 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- May 23
- Average first fall frost
- Sep 29
- Growing season
- 129 days
Safer after Jun 14 (1-in-10 risk)
Possible by Sep 14 (1-in-10 risk)
Last frost typically in 201 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 5 · Jun 21 | Sep 3 · Sep 17 · Oct 1 | 104 days | 100% |
| Frost / freeze (32°F) | May 4 · May 23 · Jun 14 | Sep 14 · Sep 29 · Oct 12 | 129 days | 100% |
| Hard freeze (28°F) | Apr 20 · May 7 · May 31 | Sep 25 · Oct 7 · Oct 23 | 153 days | 100% |
Planting calendar for Winnemucca
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 22 – Jun 28 |
| Tomatoes | Transplant outdoors | Jun 8 – Jun 9 |
| Peppers | Start seeds indoors | Apr 22 – May 23 |
| Peppers | Transplant outdoors | Jun 22 – Jul 23 |
| Eggplant | Start seeds indoors | May 9 – Jun 7 |
| Eggplant | Transplant outdoors | Jun 22 – Jul 23 |
| Cucumbers | Sow outdoors | Jun 22 – Jun 19 |
| Summer squash | Sow outdoors | Jun 8 – Jul 23 |
| Winter squash & pumpkins | Sow outdoors | Jun 22 – Jul 23 |
| Snap beans | Sow outdoors | Jun 8 – Jul 12 |
| Sweet corn | Sow outdoors | Jun 8 – Jun 9 |
| Watermelon & cantaloupe | Sow outdoors | Jun 22 – Jul 23 |
| Okra | Sow outdoors | Jun 15 – Jul 8 |
| Peas | Sow outdoors (spring) | Apr 22 – Jun 7 |
| Potatoes | Plant outdoors (spring) | Apr 22 – Jun 22 |
| Onions | Start seeds indoors (spring) | Mar 11 – Apr 7 |
| Onions | Transplant outdoors (spring) | May 9 – Jun 7 |
| Broccoli | Start seeds indoors (spring) | Apr 4 – May 8 |
| Broccoli | Transplant outdoors (spring) | May 9 – Jun 7 |
| Broccoli | Start seeds indoors (fall) | May 30 – Jun 9 |
| Broccoli | Transplant outdoors (fall) | Jun 29 – Jul 10 |
| Cabbage | Start seeds indoors (spring) | Mar 25 – Apr 22 |
| Cabbage | Transplant outdoors (spring) | Apr 22 – May 23 |
| Cabbage | Start seeds indoors (fall) | May 20 – Jun 19 |
| Cabbage | Transplant outdoors (fall) | Jun 19 – Jul 20 |
| Leaf lettuce | Sow outdoors (spring) | Apr 22 – Jul 8 |
| Leaf lettuce | Sow outdoors (fall) | Jun 19 – Aug 5 |
| Spinach | Sow outdoors (spring) | Apr 15 – May 29 |
| Spinach | Sow outdoors (fall) | Jul 6 – Aug 10 |
| Radishes | Sow outdoors (spring) | Apr 22 – Jun 12 |
| Radishes | Sow outdoors (fall) | Jun 19 – Aug 20 |
| Kale | Sow outdoors (spring) | May 9 – May 29 |
| Kale | Sow outdoors (fall) | Jun 12 – Jul 20 |
| Carrots | Sow outdoors (spring) | May 23 – Jul 8 |
| Carrots | Sow outdoors (fall) | May 20 – Jul 5 |
| Garlic | Plant outdoors (fall) | Sep 19 – Oct 20 |
Where these dates come from
ZIP code 89445 is matched to the NOAA station Winnemucca 3Ssw, NV, 3.1 km away, at 4,355 ft elevation (73 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Winnemucca 3Ssw, NV (used) | 4,355 ft | May 23 | Sep 29 |
| Winnemucca Muni Ap, NV | 4,296 ft | May 31 | Sep 17 |
| Golconda, NV | 4,394 ft | May 16 | Oct 1 |
| Imlay, NV | 4,260 ft | May 17 | Sep 27 |
Frost dates near Winnemucca
- Winnemucca, NV 89446 · last May 23, first Sep 29
- Golconda, NV 89414 · last May 16, first Oct 1
- Imlay, NV 89418 · last May 17, first Sep 27
- Valmy, NV 89438 · last May 9, first Sep 29
- Paradise Valley, NV 89426 · last Jun 5, first Sep 13
- Battle Mountain, NV 89820 · last May 9, first Sep 29
- Orovada, NV 89425 · last Jun 2, first Sep 11
- Lovelock, NV 89419 · last May 11, first Oct 2
Frequently asked questions
- When is the last frost in Winnemucca, NV?
- For ZIP code 89445, the average last spring frost (32°F) is May 23, based on NOAA 1991-2020 climate normals for the Winnemucca 3Ssw, NV weather station. There is a 1-in-10 chance of a frost after June 14.
- When is the first frost in Winnemucca, NV?
- The average first fall frost (32°F) is September 29. There is a 1-in-10 chance of frost by September 14, so tender plants are at risk from that point on.
- How long is the growing season in 89445?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 129 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.