Frost dates for 84061Peoa, UT
The average last spring frost in Peoa is June 11 and the average first fall frost is September 12, giving a typical growing season of about 92 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Jun 11
- Average first fall frost
- Sep 12
- Growing season
- 92 days
Safer after Jun 30 (1-in-10 risk)
Possible by Aug 28 (1-in-10 risk)
Last frost typically in 222 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) | — | — | 67 days | 100% |
| Frost / freeze (32°F) | May 21 · Jun 11 · Jun 30 | Aug 28 · Sep 12 · Sep 27 | 92 days | 100% |
| Hard freeze (28°F) | May 5 · May 26 · Jun 15 | Sep 5 · Sep 23 · Oct 7 | 118 days | 100% |
Planting calendar for Peoa
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 | May 11 – Jul 17 |
| Tomatoes | Transplant outdoors | Jun 27 – May 23 |
| Peppers | Start seeds indoors | May 11 – Jun 11 |
| Peppers | Transplant outdoors | Jul 11 – Aug 11 |
| Eggplant | Start seeds indoors | May 28 – Jun 26 |
| Eggplant | Transplant outdoors | Jul 11 – Aug 11 |
| Cucumbers | Sow outdoors | Jul 11 – Jun 2 |
| Summer squash | Sow outdoors | Jun 27 – Aug 11 |
| Winter squash & pumpkins | Sow outdoors | Jul 11 – Aug 11 |
| Snap beans | Sow outdoors | Jun 27 – Jun 25 |
| Sweet corn | Sow outdoors | Jun 27 – May 23 |
| Watermelon & cantaloupe | Sow outdoors | Jul 11 – Aug 11 |
| Okra | Sow outdoors | Jul 4 – Jul 27 |
| Peas | Sow outdoors (spring) | May 11 – Jun 26 |
| Potatoes | Plant outdoors (spring) | May 11 – Jul 11 |
| Onions | Start seeds indoors (spring) | Mar 30 – Apr 26 |
| Onions | Transplant outdoors (spring) | May 28 – Jun 26 |
| Broccoli | Start seeds indoors (spring) | Apr 23 – May 27 |
| Broccoli | Transplant outdoors (spring) | May 28 – Jun 26 |
| Broccoli | Start seeds indoors (fall) | May 13 – May 23 |
| Broccoli | Transplant outdoors (fall) | Jun 12 – Jun 23 |
| Cabbage | Start seeds indoors (spring) | Apr 13 – May 11 |
| Cabbage | Transplant outdoors (spring) | May 11 – Jun 11 |
| Cabbage | Start seeds indoors (fall) | May 3 – Jun 2 |
| Cabbage | Transplant outdoors (fall) | Jun 2 – Jul 3 |
| Leaf lettuce | Sow outdoors (spring) | May 11 – Jul 27 |
| Leaf lettuce | Sow outdoors (fall) | Jun 2 – Jul 19 |
| Spinach | Sow outdoors (spring) | May 4 – Jun 17 |
| Spinach | Sow outdoors (fall) | Jun 19 – Jul 24 |
| Radishes | Sow outdoors (spring) | May 11 – Jul 1 |
| Radishes | Sow outdoors (fall) | Jun 2 – Aug 3 |
| Kale | Sow outdoors (spring) | May 28 – Jun 17 |
| Kale | Sow outdoors (fall) | May 26 – Jul 3 |
| Carrots | Sow outdoors (spring) | Jun 11 – Jul 27 |
| Carrots | Sow outdoors (fall) | May 3 – Jun 18 |
| Garlic | Plant outdoors (fall) | Sep 2 – Oct 3 |
Where these dates come from
ZIP code 84061 is matched to the NOAA station Wanship Dam, UT, 9.2 km away, at 5,940 ft elevation (254 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Wanship Dam, UT (used) | 5,940 ft | Jun 11 | Sep 12 |
| Kamas, UT | 6,481 ft | Jun 5 | Sep 17 |
| Park City, UT | 6,900 ft | May 29 | Sep 25 |
| Coalville, UT | 5,550 ft | Jun 7 | Sep 12 |
Frost dates near Peoa
- Oakley, UT 84055 · last May 29, first Sep 25
- Kamas, UT 84036 · last Jun 5, first Sep 17
- Coalville, UT 84017 · last May 29, first Sep 25
- Park City, UT 84068 · last May 29, first Sep 25
- Heber City, UT 84032 · last Jun 4, first Sep 20
- Midway, UT 84049 · last Jun 4, first Sep 20
- Echo, UT 84024 · last May 30, first Sep 18
- Henefer, UT 84033 · last May 30, first Sep 18
Frequently asked questions
- When is the last frost in Peoa, UT?
- For ZIP code 84061, the average last spring frost (32°F) is June 11, based on NOAA 1991-2020 climate normals for the Wanship Dam, UT weather station. There is a 1-in-10 chance of a frost after June 30.
- When is the first frost in Peoa, UT?
- The average first fall frost (32°F) is September 12. There is a 1-in-10 chance of frost by August 28, so tender plants are at risk from that point on.
- How long is the growing season in 84061?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 92 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.