Frost dates for 53082Sheboygan, WI
The average last spring frost in Sheboygan is April 25 and the average first fall frost is October 23, giving a typical growing season of about 179 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Apr 25
- Average first fall frost
- Oct 23
- Growing season
- 179 days
Safer after May 11 (1-in-10 risk)
Possible by Oct 9 (1-in-10 risk)
Last frost typically in 180 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) | Apr 22 · May 5 · May 21 | Sep 30 · Oct 11 · Oct 23 | 157 days | 100% |
| Frost / freeze (32°F) | Apr 11 · Apr 25 · May 11 | Oct 9 · Oct 23 · Nov 2 | 179 days | 100% |
| Hard freeze (28°F) | Mar 31 · Apr 13 · Apr 27 | Oct 21 · Nov 1 · Nov 15 | 202 days | 100% |
Planting calendar for Sheboygan
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 25 – May 31 |
| Tomatoes | Transplant outdoors | May 11 – Jul 3 |
| Peppers | Start seeds indoors | Mar 25 – Apr 25 |
| Peppers | Transplant outdoors | May 25 – Jun 25 |
| Eggplant | Start seeds indoors | Apr 11 – May 10 |
| Eggplant | Transplant outdoors | May 25 – Jun 25 |
| Cucumbers | Sow outdoors | May 25 – Jul 13 |
| Summer squash | Sow outdoors | May 11 – Jun 25 |
| Winter squash & pumpkins | Sow outdoors | May 25 – Jun 25 |
| Snap beans | Sow outdoors | May 11 – Aug 5 |
| Sweet corn | Sow outdoors | May 11 – Jul 3 |
| Watermelon & cantaloupe | Sow outdoors | May 25 – Jun 25 |
| Okra | Sow outdoors | May 18 – Jun 10 |
| Peas | Sow outdoors (spring) | Mar 25 – May 10 |
| Potatoes | Plant outdoors (spring) | Mar 25 – May 25 |
| Onions | Start seeds indoors (spring) | Feb 11 – Mar 10 |
| Onions | Transplant outdoors (spring) | Apr 11 – May 10 |
| Broccoli | Start seeds indoors (spring) | Mar 7 – Apr 10 |
| Broccoli | Transplant outdoors (spring) | Apr 11 – May 10 |
| Broccoli | Start seeds indoors (fall) | Jun 23 – Jul 3 |
| Broccoli | Transplant outdoors (fall) | Jul 23 – Aug 3 |
| Cabbage | Start seeds indoors (spring) | Feb 25 – Mar 25 |
| Cabbage | Transplant outdoors (spring) | Mar 25 – Apr 25 |
| Cabbage | Start seeds indoors (fall) | Jun 13 – Jul 13 |
| Cabbage | Transplant outdoors (fall) | Jul 13 – Aug 13 |
| Leaf lettuce | Sow outdoors (spring) | Mar 25 – Jun 10 |
| Leaf lettuce | Sow outdoors (fall) | Jul 13 – Aug 29 |
| Spinach | Sow outdoors (spring) | Mar 18 – May 1 |
| Spinach | Sow outdoors (fall) | Jul 30 – Sep 3 |
| Radishes | Sow outdoors (spring) | Mar 25 – May 15 |
| Radishes | Sow outdoors (fall) | Jul 13 – Sep 13 |
| Kale | Sow outdoors (spring) | Apr 11 – May 1 |
| Kale | Sow outdoors (fall) | Jul 6 – Aug 13 |
| Carrots | Sow outdoors (spring) | Apr 25 – Jun 10 |
| Carrots | Sow outdoors (fall) | Jun 13 – Jul 29 |
| Garlic | Plant outdoors (fall) | Oct 13 – Nov 13 |
Where these dates come from
ZIP code 53082 is matched to the NOAA station Sheboygan, WI, 8.6 km away, at 648 ft elevation (67 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Sheboygan, WI (used) | 648 ft | Apr 25 | Oct 23 |
| Sheboygan Wwtp, WI | 603 ft | May 2 | Oct 21 |
| Sheboygan Co Mem Ap, WI | 746 ft | May 5 | Oct 8 |
| Hingham Wwtp, WI | 763 ft | May 3 | Oct 16 |
Frost dates near Sheboygan
- Sheboygan, WI 53081 · last Apr 25, first Oct 23
- Kohler, WI 53044 · last Apr 25, first Oct 23
- Sheboygan Falls, WI 53085 · last May 5, first Oct 8
- Oostburg, WI 53070 · last May 3, first Oct 16
- Cedar Grove, WI 53013 · last May 3, first Oct 16
- Hingham, WI 53031 · last May 3, first Oct 16
- Cleveland, WI 53015 · last May 5, first Oct 8
- Plymouth, WI 53073 · last May 3, first Oct 10
Frequently asked questions
- When is the last frost in Sheboygan, WI?
- For ZIP code 53082, the average last spring frost (32°F) is April 25, based on NOAA 1991-2020 climate normals for the Sheboygan, WI weather station. There is a 1-in-10 chance of a frost after May 11.
- When is the first frost in Sheboygan, WI?
- The average first fall frost (32°F) is October 23. There is a 1-in-10 chance of frost by October 9, so tender plants are at risk from that point on.
- How long is the growing season in 53082?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 179 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.