Frost dates for 83287Fish Haven, ID
The average last spring frost in Fish Haven is May 15 and the average first fall frost is October 4, giving a typical growing season of about 140 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- May 15
- Average first fall frost
- Oct 4
- Growing season
- 140 days
Safer after Jun 5 (1-in-10 risk)
Possible by Sep 22 (1-in-10 risk)
Last frost typically in 200 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 15 · Jun 4 · Jun 21 | Sep 11 · Sep 24 · Oct 6 | 111 days | 100% |
| Frost / freeze (32°F) | Apr 30 · May 15 · Jun 5 | Sep 22 · Oct 4 · Oct 17 | 140 days | 100% |
| Hard freeze (28°F) | Apr 15 · Apr 30 · May 22 | Oct 1 · Oct 15 · Oct 27 | 167 days | 100% |
Planting calendar for Fish Haven
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 14 – Jun 20 |
| Tomatoes | Transplant outdoors | May 31 – Jun 14 |
| Peppers | Start seeds indoors | Apr 14 – May 15 |
| Peppers | Transplant outdoors | Jun 14 – Jul 15 |
| Eggplant | Start seeds indoors | May 1 – May 30 |
| Eggplant | Transplant outdoors | Jun 14 – Jul 15 |
| Cucumbers | Sow outdoors | Jun 14 – Jun 24 |
| Summer squash | Sow outdoors | May 31 – Jul 15 |
| Winter squash & pumpkins | Sow outdoors | Jun 14 – Jul 15 |
| Snap beans | Sow outdoors | May 31 – Jul 17 |
| Sweet corn | Sow outdoors | May 31 – Jun 14 |
| Watermelon & cantaloupe | Sow outdoors | Jun 14 – Jul 15 |
| Okra | Sow outdoors | Jun 7 – Jun 30 |
| Peas | Sow outdoors (spring) | Apr 14 – May 30 |
| Potatoes | Plant outdoors (spring) | Apr 14 – Jun 14 |
| Onions | Start seeds indoors (spring) | Mar 3 – Mar 30 |
| Onions | Transplant outdoors (spring) | May 1 – May 30 |
| Broccoli | Start seeds indoors (spring) | Mar 27 – Apr 30 |
| Broccoli | Transplant outdoors (spring) | May 1 – May 30 |
| Broccoli | Start seeds indoors (fall) | Jun 4 – Jun 14 |
| Broccoli | Transplant outdoors (fall) | Jul 4 – Jul 15 |
| Cabbage | Start seeds indoors (spring) | Mar 17 – Apr 14 |
| Cabbage | Transplant outdoors (spring) | Apr 14 – May 15 |
| Cabbage | Start seeds indoors (fall) | May 25 – Jun 24 |
| Cabbage | Transplant outdoors (fall) | Jun 24 – Jul 25 |
| Leaf lettuce | Sow outdoors (spring) | Apr 14 – Jun 30 |
| Leaf lettuce | Sow outdoors (fall) | Jun 24 – Aug 10 |
| Spinach | Sow outdoors (spring) | Apr 7 – May 21 |
| Spinach | Sow outdoors (fall) | Jul 11 – Aug 15 |
| Radishes | Sow outdoors (spring) | Apr 14 – Jun 4 |
| Radishes | Sow outdoors (fall) | Jun 24 – Aug 25 |
| Kale | Sow outdoors (spring) | May 1 – May 21 |
| Kale | Sow outdoors (fall) | Jun 17 – Jul 25 |
| Carrots | Sow outdoors (spring) | May 15 – Jun 30 |
| Carrots | Sow outdoors (fall) | May 25 – Jul 10 |
| Garlic | Plant outdoors (fall) | Sep 24 – Oct 25 |
Where these dates come from
ZIP code 83287 is matched to the NOAA station Bear Lake Sp, UT, 10.6 km away, at 5,928 ft elevation (1,181 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Bear Lake Sp, UT (used) | 5,928 ft | May 15 | Oct 4 |
| Lifton Pumping Stn, ID | 5,935 ft | May 19 | Sep 21 |
| Laketown, UT | 5,980 ft | May 28 | Sep 24 |
| Richmond, UT | 4,680 ft | May 11 | Oct 5 |
Frost dates near Fish Haven
- Saint Charles, ID 83272 · last May 19, first Sep 21
- Garden City, UT 84028 · last May 15, first Oct 4
- Bloomington, ID 83223 · last May 19, first Sep 21
- Paris, ID 83261 · last Jun 17, first Sep 3
- Dingle, ID 83233 · last May 19, first Sep 21
- Franklin, ID 83237 · last May 16, first Sep 28
- Laketown, UT 84038 · last Jun 14, first Sep 1
- Bern, ID 83220 · last Jun 17, first Sep 3
Frequently asked questions
- When is the last frost in Fish Haven, ID?
- For ZIP code 83287, the average last spring frost (32°F) is May 15, based on NOAA 1991-2020 climate normals for the Bear Lake Sp, UT weather station. There is a 1-in-10 chance of a frost after June 5.
- When is the first frost in Fish Haven, ID?
- The average first fall frost (32°F) is October 4. There is a 1-in-10 chance of frost by September 22, so tender plants are at risk from that point on.
- How long is the growing season in 83287?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 140 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.