Frost dates for 47426Clear Creek, IN
The average last spring frost in Clear Creek is April 15 and the average first fall frost is October 26, giving a typical growing season of about 192 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Apr 15
- Average first fall frost
- Oct 26
- Growing season
- 192 days
Safer after May 3 (1-in-10 risk)
Possible by Oct 11 (1-in-10 risk)
Last frost typically in 164 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 11 · Apr 28 · May 14 | Oct 1 · Oct 16 · Oct 28 | 170 days | 100% |
| Frost / freeze (32°F) | Mar 31 · Apr 15 · May 3 | Oct 11 · Oct 26 · Nov 9 | 192 days | 100% |
| Hard freeze (28°F) | Mar 19 · Apr 2 · Apr 22 | Oct 23 · Nov 4 · Nov 21 | 216 days | 100% |
Planting calendar for Clear Creek
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 15 – May 21 |
| Tomatoes | Transplant outdoors | May 1 – Jul 6 |
| Peppers | Start seeds indoors | Mar 15 – Apr 15 |
| Peppers | Transplant outdoors | May 15 – Jun 15 |
| Eggplant | Start seeds indoors | Apr 1 – Apr 30 |
| Eggplant | Transplant outdoors | May 15 – Jun 15 |
| Cucumbers | Sow outdoors | May 15 – Jul 16 |
| Summer squash | Sow outdoors | May 1 – Jun 15 |
| Winter squash & pumpkins | Sow outdoors | May 15 – Jun 15 |
| Snap beans | Sow outdoors | May 1 – Aug 8 |
| Sweet corn | Sow outdoors | May 1 – Jul 6 |
| Watermelon & cantaloupe | Sow outdoors | May 15 – Jun 15 |
| Okra | Sow outdoors | May 8 – May 31 |
| Peas | Sow outdoors (spring) | Mar 15 – Apr 30 |
| Potatoes | Plant outdoors (spring) | Mar 15 – May 15 |
| Onions | Start seeds indoors (spring) | Feb 1 – Feb 28 |
| Onions | Transplant outdoors (spring) | Apr 1 – Apr 30 |
| Broccoli | Start seeds indoors (spring) | Feb 25 – Mar 31 |
| Broccoli | Transplant outdoors (spring) | Apr 1 – Apr 30 |
| Broccoli | Start seeds indoors (fall) | Jun 26 – Jul 6 |
| Broccoli | Transplant outdoors (fall) | Jul 26 – Aug 6 |
| Cabbage | Start seeds indoors (spring) | Feb 15 – Mar 15 |
| Cabbage | Transplant outdoors (spring) | Mar 15 – Apr 15 |
| Cabbage | Start seeds indoors (fall) | Jun 16 – Jul 16 |
| Cabbage | Transplant outdoors (fall) | Jul 16 – Aug 16 |
| Leaf lettuce | Sow outdoors (spring) | Mar 15 – May 31 |
| Leaf lettuce | Sow outdoors (fall) | Jul 16 – Sep 1 |
| Spinach | Sow outdoors (spring) | Mar 8 – Apr 21 |
| Spinach | Sow outdoors (fall) | Aug 2 – Sep 6 |
| Radishes | Sow outdoors (spring) | Mar 15 – May 5 |
| Radishes | Sow outdoors (fall) | Jul 16 – Sep 16 |
| Kale | Sow outdoors (spring) | Apr 1 – Apr 21 |
| Kale | Sow outdoors (fall) | Jul 9 – Aug 16 |
| Carrots | Sow outdoors (spring) | Apr 15 – May 31 |
| Carrots | Sow outdoors (fall) | Jun 16 – Aug 1 |
| Garlic | Plant outdoors (fall) | Oct 16 – Nov 16 |
Where these dates come from
ZIP code 47426 is matched to the NOAA station Bloomington Indiana Univ, IN, 1.7 km away, at 830 ft elevation (26 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Bloomington Indiana Univ, IN (used) | 830 ft | Apr 15 | Oct 26 |
| Bloomington Monroe Co Ap, IN | 844 ft | Apr 17 | Oct 22 |
| Martinsville 2 Sw, IN | 592 ft | Apr 24 | Oct 15 |
| Spencer, IN | 549 ft | Apr 20 | Oct 20 |
Frost dates near Clear Creek
- Bloomington, IN 47402 · last Apr 15, first Oct 26
- Unionville, IN 47468 · last Apr 15, first Oct 26
- Smithville, IN 47458 · last Apr 15, first Oct 26
- Ellettsville, IN 47429 · last Apr 15, first Oct 26
- Stanford, IN 47463 · last Apr 17, first Oct 22
- Harrodsburg, IN 47434 · last Apr 20, first Oct 20
- Stinesville, IN 47464 · last Apr 20, first Oct 20
- Solsberry, IN 47459 · last Apr 17, first Oct 22
Frequently asked questions
- When is the last frost in Clear Creek, IN?
- For ZIP code 47426, the average last spring frost (32°F) is April 15, based on NOAA 1991-2020 climate normals for the Bloomington Indiana Univ, IN weather station. There is a 1-in-10 chance of a frost after May 3.
- When is the first frost in Clear Creek, 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 47426?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 192 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.