Frost dates / Indiana / Muncie
Frost dates in Muncie, IN
The station on this page is MUNCIE DELAWARE CO AP, IN US (USW00094895), 2.4 miles from the city point. Population in the Census 2024 estimate is 65,320.
Zone 6aUSDA average annual extreme minimum -10°F to -5°F, from ZIP 47305 (0.6 miles from the city point used on this page).
Outside the median season Growing seasonTicks: 10%, 50%, and 90%
Last 32°F in spring
NCEI’s probability is the chance the last spring minimum of 32°F or lower occurs on or after the date.
| Probability | Date | How to read it |
|---|---|---|
| 90% | April 1 | Earlier date. A last 32°F on or after this day is common. |
| 50% | April 16 | Median. |
| 10% | May 2 | Later date. A last 32°F on or after this day is uncommon. |
First 32°F in fall
NCEI’s probability is the chance the first autumn minimum of 32°F or lower occurs on or before the date.
| Probability | Date | How to read it |
|---|---|---|
| 10% | October 9 | Earlier date. A first 32°F on or before this day is uncommon. |
| 50% | October 25 | Median. |
| 90% | November 6 | Later date. A first 32°F on or before this day is common. |
32°F growing-season length
Days between the last spring 32°F and the first autumn 32°F. The figure is a length the season meets or exceeds at that probability, from NCEI, not a subtraction done on this site.
| Probability the season is at least this long | Days |
|---|---|
| 10% | 211 |
| 50% | 190 |
| 90% | 168 |
28°F threshold
| 10% | 50% | 90% | |
|---|---|---|---|
| Last, on or after | April 19 | April 3 | March 19 |
| First, on or before | October 22 | November 5 | November 23 |
| Season at least | 237 days | 215 days | 193 days |
36°F threshold
| 10% | 50% | 90% | |
|---|---|---|---|
| Last, on or after | May 14 | April 28 | April 14 |
| First, on or before | September 28 | October 12 | October 27 |
| Season at least | 188 days | 168 days | 145 days |
Station MUNCIE DELAWARE CO AP, IN US (USW00094895). Completeness flag R, 23 years used for the 32°F dates. NCEI’s annual probability of at least one day at or below 32°F is 100%. Freeze dates are conditional on that threshold occurring. Elevation 285.6 m. The same probability language applies to the 28°F and 36°F rows when those dates passed the same quality checks.
Check a crop against this station
Muncie, IN
Zone 6aAverage annual extreme minimum -10°F to -5°F
Outside the median season Growing seasonTicks: 10%, 50%, and 90%
Indiana. Nearest qualified station: MUNCIE DELAWARE CO AP, IN US (USW00094895), 2.4 miles. Median last 32°F April 16. Median first 32°F October 25. The 50% growing-season length is 190 days.
32°F probabilities at this station
| 10% | 50% | 90% | |
|---|---|---|---|
| Last 32°F on or after | May 2 | April 16 | April 1 |
| First 32°F on or before | October 9 | October 25 | November 6 |
Column order matches the NCEI file: for the last freeze, 10% is the later date and 90% is the earlier date. How to read the probabilities.
Planting calendar
Frost dates for Indiana are above. Planting windows appear for states with a cited extension guide. The fall and seed tools use the numbers you enter and the station dates.
Date checks use your device’s calendar and appear after the page loads.