Frost dates for 47591Vincennes, IN
The average last spring frost in Vincennes is April 11 and the average first fall frost is October 26, giving a typical growing season of about 197 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Apr 11
- Average first fall frost
- Oct 26
- Growing season
- 197 days
Safer after Apr 27 (1-in-10 risk)
Possible by Oct 11 (1-in-10 risk)
Last frost typically in 159 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 10 · Apr 23 · May 8 | Oct 1 · Oct 15 · Oct 27 | 173 days | 100% |
| Frost / freeze (32°F) | Mar 30 · Apr 11 · Apr 27 | Oct 11 · Oct 26 · Nov 6 | 197 days | 100% |
| Hard freeze (28°F) | Mar 16 · Apr 1 · Apr 15 | Oct 22 · Nov 4 · Nov 20 | 218 days | 100% |
Planting calendar for Vincennes
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 11 – May 17 |
| Tomatoes | Transplant outdoors | Apr 27 – Jul 6 |
| Peppers | Start seeds indoors | Mar 11 – Apr 11 |
| Peppers | Transplant outdoors | May 11 – Jun 11 |
| Eggplant | Start seeds indoors | Mar 28 – Apr 26 |
| Eggplant | Transplant outdoors | May 11 – Jun 11 |
| Cucumbers | Sow outdoors | May 11 – Jul 16 |
| Summer squash | Sow outdoors | Apr 27 – Jun 11 |
| Winter squash & pumpkins | Sow outdoors | May 11 – Jun 11 |
| Snap beans | Sow outdoors | Apr 27 – Aug 8 |
| Sweet corn | Sow outdoors | Apr 27 – Jul 6 |
| Watermelon & cantaloupe | Sow outdoors | May 11 – Jun 11 |
| Okra | Sow outdoors | May 4 – May 27 |
| Peas | Sow outdoors (spring) | Mar 11 – Apr 26 |
| Potatoes | Plant outdoors (spring) | Mar 11 – May 11 |
| Onions | Start seeds indoors (spring) | Jan 28 – Feb 24 |
| Onions | Transplant outdoors (spring) | Mar 28 – Apr 26 |
| Broccoli | Start seeds indoors (spring) | Feb 21 – Mar 27 |
| Broccoli | Transplant outdoors (spring) | Mar 28 – Apr 26 |
| Broccoli | Start seeds indoors (fall) | Jun 26 – Jul 6 |
| Broccoli | Transplant outdoors (fall) | Jul 26 – Aug 6 |
| Cabbage | Start seeds indoors (spring) | Feb 11 – Mar 11 |
| Cabbage | Transplant outdoors (spring) | Mar 11 – Apr 11 |
| Cabbage | Start seeds indoors (fall) | Jun 16 – Jul 16 |
| Cabbage | Transplant outdoors (fall) | Jul 16 – Aug 16 |
| Leaf lettuce | Sow outdoors (spring) | Mar 11 – May 27 |
| Leaf lettuce | Sow outdoors (fall) | Jul 16 – Sep 1 |
| Spinach | Sow outdoors (spring) | Mar 4 – Apr 17 |
| Spinach | Sow outdoors (fall) | Aug 2 – Sep 6 |
| Radishes | Sow outdoors (spring) | Mar 11 – May 1 |
| Radishes | Sow outdoors (fall) | Jul 16 – Sep 16 |
| Kale | Sow outdoors (spring) | Mar 28 – Apr 17 |
| Kale | Sow outdoors (fall) | Jul 9 – Aug 16 |
| Carrots | Sow outdoors (spring) | Apr 11 – May 27 |
| Carrots | Sow outdoors (fall) | Jun 16 – Aug 1 |
| Garlic | Plant outdoors (fall) | Oct 16 – Nov 16 |
Where these dates come from
ZIP code 47591 is matched to the NOAA station Vincennes 5 Ne, IN, 7.5 km away, at 452 ft elevation (35 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Vincennes 5 Ne, IN (used) | 452 ft | Apr 11 | Oct 26 |
| Lawrenceville Intl Ap, IL | 429 ft | Apr 8 | Oct 26 |
| Lawrenceville 2Wsw, IL | 451 ft | Apr 12 | Oct 25 |
| Washington 1 W, IN | 482 ft | Apr 10 | Oct 25 |
Frost dates near Vincennes
- Bruceville, IN 47516 · last Apr 11, first Oct 26
- Monroe City, IN 47557 · last Apr 10, first Oct 25
- Saint Francisville, IL 62460 · last Apr 12, first Oct 25
- Lawrenceville, IL 62439 · last Apr 12, first Oct 25
- Wheatland, IN 47597 · last Apr 10, first Oct 25
- Ragsdale, IN 47573 · last Apr 9, first Oct 30
- Decker, IN 47524 · last Apr 13, first Oct 25
- Bicknell, IN 47512 · last Apr 9, first Oct 30
Frequently asked questions
- When is the last frost in Vincennes, IN?
- For ZIP code 47591, the average last spring frost (32°F) is April 11, based on NOAA 1991-2020 climate normals for the Vincennes 5 Ne, IN weather station. There is a 1-in-10 chance of a frost after April 27.
- When is the first frost in Vincennes, IN?
- The average first fall frost (32°F) is October 26. There is a 1-in-10 chance of frost by October 11, so tender plants are at risk from that point on.
- How long is the growing season in 47591?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 197 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.