Frost dates for Lafayette, Indiana
In a typical year, Lafayette’s last spring frost lands around Apr 26 and the first fall frost around Oct 18, a growing season of about 175 days. These are odds drawn from 30-year NOAA climate normals, not a promise. USDA zone 6a.
Right now the typical frost season has arrived; planting waits for spring.
| Odds | Last spring frost | First fall frost |
|---|---|---|
| 10 percent | Apr 11 | Oct 4 |
| 50 percent | Apr 26 | Oct 18 |
| 90 percent | May 14 | Oct 31 |
A 10 percent year is an early year, a 90 percent year a late one. Frost-sensitive planting usually waits for the 90 percent side of the last-frost band.
Soil in Lafayette is typically around 52°F at 4 inches this time of year, estimated from the last two weeks of normal air temperatures.
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Common questions
When is the last frost in Lafayette, Indiana?
Lafayette’s last spring frost falls around April 26 in a typical year. One year in ten it is done by April 11, and one year in ten frost holds on until May 14. Frost-sensitive planting usually waits for the late side of that band.
When is the first fall frost in Lafayette?
The first fall frost arrives around October 18 in a typical year, as early as October 4 in an early year and as late as October 31 in a late one.
How long is the growing season in Lafayette?
About 175 days, counted between the typical last spring frost and the typical first fall frost.
What USDA zone is Lafayette in?
Lafayette is in USDA hardiness zone 6a under the 2023 USDA Plant Hardiness Zone Map.
Dates come from 30-year NOAA climate normals for the nearest reporting station. They describe odds, not a forecast.
Nearby cities
- Peru, IN (around Apr 23 to Oct 21)
- Indianapolis, IN (around Apr 20 to Oct 21)
- Terre Haute, IN (around Apr 15 to Oct 19)
- Champaign, IL (around Apr 15 to Oct 24)
- Hammond, IN (around Apr 23 to Oct 20)
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