Frost dates for 83552Stites, ID
The average last spring frost in Stites is April 30 and the average first fall frost is October 11, giving a typical growing season of about 162 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Apr 30
- Average first fall frost
- Oct 11
- Growing season
- 162 days
Safer after May 13 (1-in-10 risk)
Possible by Sep 19 (1-in-10 risk)
Last frost typically in 179 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 1 · May 15 · Jun 5 | Sep 2 · Sep 24 · Oct 11 | 128 days | 100% |
| Frost / freeze (32°F) | Apr 14 · Apr 30 · May 13 | Sep 19 · Oct 11 · Oct 27 | 162 days | 100% |
| Hard freeze (28°F) | Mar 22 · Apr 11 · Apr 29 | Oct 8 · Oct 26 · Nov 11 | 197 days | 100% |
Planting calendar for Stites
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 30 – Jun 5 |
| Tomatoes | Transplant outdoors | May 16 – Jun 21 |
| Peppers | Start seeds indoors | Mar 30 – Apr 30 |
| Peppers | Transplant outdoors | May 30 – Jun 30 |
| Eggplant | Start seeds indoors | Apr 16 – May 15 |
| Eggplant | Transplant outdoors | May 30 – Jun 30 |
| Cucumbers | Sow outdoors | May 30 – Jul 1 |
| Summer squash | Sow outdoors | May 16 – Jun 30 |
| Winter squash & pumpkins | Sow outdoors | May 30 – Jun 30 |
| Snap beans | Sow outdoors | May 16 – Jul 24 |
| Sweet corn | Sow outdoors | May 16 – Jun 21 |
| Watermelon & cantaloupe | Sow outdoors | May 30 – Jun 30 |
| Okra | Sow outdoors | May 23 – Jun 15 |
| Peas | Sow outdoors (spring) | Mar 30 – May 15 |
| Potatoes | Plant outdoors (spring) | Mar 30 – May 30 |
| Onions | Start seeds indoors (spring) | Feb 16 – Mar 15 |
| Onions | Transplant outdoors (spring) | Apr 16 – May 15 |
| Broccoli | Start seeds indoors (spring) | Mar 12 – Apr 15 |
| Broccoli | Transplant outdoors (spring) | Apr 16 – May 15 |
| Broccoli | Start seeds indoors (fall) | Jun 11 – Jun 21 |
| Broccoli | Transplant outdoors (fall) | Jul 11 – Jul 22 |
| Cabbage | Start seeds indoors (spring) | Mar 2 – Mar 30 |
| Cabbage | Transplant outdoors (spring) | Mar 30 – Apr 30 |
| Cabbage | Start seeds indoors (fall) | Jun 1 – Jul 1 |
| Cabbage | Transplant outdoors (fall) | Jul 1 – Aug 1 |
| Leaf lettuce | Sow outdoors (spring) | Mar 30 – Jun 15 |
| Leaf lettuce | Sow outdoors (fall) | Jul 1 – Aug 17 |
| Spinach | Sow outdoors (spring) | Mar 23 – May 6 |
| Spinach | Sow outdoors (fall) | Jul 18 – Aug 22 |
| Radishes | Sow outdoors (spring) | Mar 30 – May 20 |
| Radishes | Sow outdoors (fall) | Jul 1 – Sep 1 |
| Kale | Sow outdoors (spring) | Apr 16 – May 6 |
| Kale | Sow outdoors (fall) | Jun 24 – Aug 1 |
| Carrots | Sow outdoors (spring) | Apr 30 – Jun 15 |
| Carrots | Sow outdoors (fall) | Jun 1 – Jul 17 |
| Garlic | Plant outdoors (fall) | Oct 1 – Nov 1 |
Where these dates come from
ZIP code 83552 is matched to the NOAA station Kooskia 5 Sse, ID, 7.7 km away, at 2,330 ft elevation (131 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Kooskia 5 Sse, ID (used) | 2,330 ft | Apr 30 | Oct 11 |
| Grangeville, ID | 3,300 ft | May 9 | Oct 3 |
| Kamiah, ID | 1,210 ft | Apr 29 | Oct 5 |
| Lowell Three Rivers, ID | 1,480 ft | Apr 16 | Oct 25 |
Frost dates near Stites
- Kooskia, ID 83539 · last Apr 16, first Oct 25
- Grangeville, ID 83530 · last May 9, first Oct 3
- Kamiah, ID 83536 · last Apr 29, first Oct 5
- Fenn, ID 83531 · last May 9, first Oct 3
- Greencreek, ID 83533 · last May 24, first Sep 20
- Cottonwood, ID 83522 · last May 6, first Oct 13
- Nezperce, ID 83543 · last May 24, first Sep 20
- Ferdinand, ID 83526 · last May 6, first Oct 13
Frequently asked questions
- When is the last frost in Stites, ID?
- For ZIP code 83552, the average last spring frost (32°F) is April 30, based on NOAA 1991-2020 climate normals for the Kooskia 5 Sse, ID weather station. There is a 1-in-10 chance of a frost after May 13.
- When is the first frost in Stites, ID?
- The average first fall frost (32°F) is October 11. There is a 1-in-10 chance of frost by September 19, so tender plants are at risk from that point on.
- How long is the growing season in 83552?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 162 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.