Frost dates for 47962Montmorenci, IN
The average last spring frost in Montmorenci is April 26 and the average first fall frost is October 12, giving a typical growing season of about 169 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Apr 26
- Average first fall frost
- Oct 12
- Growing season
- 169 days
Safer after May 11 (1-in-10 risk)
Possible by Sep 27 (1-in-10 risk)
Last frost typically in 173 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 23 · May 6 · May 20 | Sep 18 · Sep 30 · Oct 15 | 147 days | 100% |
| Frost / freeze (32°F) | Apr 12 · Apr 26 · May 11 | Sep 27 · Oct 12 · Oct 27 | 169 days | 100% |
| Hard freeze (28°F) | Apr 1 · Apr 15 · Apr 30 | Oct 8 · Oct 25 · Nov 7 | 190 days | 100% |
Planting calendar for Montmorenci
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 26 – Jun 1 |
| Tomatoes | Transplant outdoors | May 12 – Jun 22 |
| Peppers | Start seeds indoors | Mar 26 – Apr 26 |
| Peppers | Transplant outdoors | May 26 – Jun 26 |
| Eggplant | Start seeds indoors | Apr 12 – May 11 |
| Eggplant | Transplant outdoors | May 26 – Jun 26 |
| Cucumbers | Sow outdoors | May 26 – Jul 2 |
| Summer squash | Sow outdoors | May 12 – Jun 26 |
| Winter squash & pumpkins | Sow outdoors | May 26 – Jun 26 |
| Snap beans | Sow outdoors | May 12 – Jul 25 |
| Sweet corn | Sow outdoors | May 12 – Jun 22 |
| Watermelon & cantaloupe | Sow outdoors | May 26 – Jun 26 |
| Okra | Sow outdoors | May 19 – Jun 11 |
| Peas | Sow outdoors (spring) | Mar 26 – May 11 |
| Potatoes | Plant outdoors (spring) | Mar 26 – May 26 |
| Onions | Start seeds indoors (spring) | Feb 12 – Mar 11 |
| Onions | Transplant outdoors (spring) | Apr 12 – May 11 |
| Broccoli | Start seeds indoors (spring) | Mar 8 – Apr 11 |
| Broccoli | Transplant outdoors (spring) | Apr 12 – May 11 |
| Broccoli | Start seeds indoors (fall) | Jun 12 – Jun 22 |
| Broccoli | Transplant outdoors (fall) | Jul 12 – Jul 23 |
| Cabbage | Start seeds indoors (spring) | Feb 26 – Mar 26 |
| Cabbage | Transplant outdoors (spring) | Mar 26 – Apr 26 |
| Cabbage | Start seeds indoors (fall) | Jun 2 – Jul 2 |
| Cabbage | Transplant outdoors (fall) | Jul 2 – Aug 2 |
| Leaf lettuce | Sow outdoors (spring) | Mar 26 – Jun 11 |
| Leaf lettuce | Sow outdoors (fall) | Jul 2 – Aug 18 |
| Spinach | Sow outdoors (spring) | Mar 19 – May 2 |
| Spinach | Sow outdoors (fall) | Jul 19 – Aug 23 |
| Radishes | Sow outdoors (spring) | Mar 26 – May 16 |
| Radishes | Sow outdoors (fall) | Jul 2 – Sep 2 |
| Kale | Sow outdoors (spring) | Apr 12 – May 2 |
| Kale | Sow outdoors (fall) | Jun 25 – Aug 2 |
| Carrots | Sow outdoors (spring) | Apr 26 – Jun 11 |
| Carrots | Sow outdoors (fall) | Jun 2 – Jul 18 |
| Garlic | Plant outdoors (fall) | Oct 2 – Nov 2 |
Where these dates come from
ZIP code 47962 is matched to the NOAA station W Lafayette 6 Nw, IN, 3 km away, at 708 ft elevation (29 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| W Lafayette 6 Nw, IN (used) | 708 ft | Apr 26 | Oct 12 |
| Lafayette Purdue Univ Ap, IN | 599 ft | Apr 26 | Oct 18 |
| Chalmers 5 W, IN | 720 ft | Apr 25 | Oct 17 |
| Lafayette 8 S, IN | 732 ft | Apr 20 | Oct 20 |
Frost dates near Montmorenci
- West Lafayette, IN 47906 · last Apr 26, first Oct 12
- Otterbein, IN 47970 · last Apr 26, first Oct 12
- Westpoint, IN 47992 · last Apr 26, first Oct 18
- Lafayette, IN 47901 · last Apr 26, first Oct 18
- Templeton, IN 47986 · last Apr 26, first Oct 12
- Pine Village, IN 47975 · last Apr 22, first Oct 17
- Battle Ground, IN 47920 · last Apr 26, first Oct 18
- Brookston, IN 47923 · last Apr 26, first Oct 12
Frequently asked questions
- When is the last frost in Montmorenci, IN?
- For ZIP code 47962, the average last spring frost (32°F) is April 26, based on NOAA 1991-2020 climate normals for the W Lafayette 6 Nw, IN weather station. There is a 1-in-10 chance of a frost after May 11.
- When is the first frost in Montmorenci, IN?
- The average first fall frost (32°F) is October 12. There is a 1-in-10 chance of frost by September 27, so tender plants are at risk from that point on.
- How long is the growing season in 47962?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 169 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.