Last frost date in Emporia, KS
Expect the last frost in Emporia around April 15. Frost after April 30 happens in only one year out of ten. The first fall frost usually arrives about October 23, which leaves 190 frost-free days. An early freeze before October 8 happens one year in ten.
- Safe after (10% risk)
- Apr 30
- Average first frost
- Oct 23
- Frost-free season
- 190 days
- Hard freeze (28°F) ends
- Apr 5
No frost in the next 7 nights
National Weather Service forecast, updated Oct 22, 12:57 UTC
- ThuOct 2254°
- FriOct 2355°
- SatOct 2454°
- SunOct 2555°
- MonOct 2648°
- TueOct 2745°
- WedOct 2849°
Planting calendar for Emporia
Windows count forward or back from the average frost dates above. Click a crop for dates across Kansas.
Frost probabilities
| Threshold | Spring, 90% chance later | Spring, 50% | Spring, 10% | Fall, 10% chance earlier | Fall, 50% | Fall, 90% |
|---|---|---|---|---|---|---|
| Light frost, 32°F | Apr 2 | Apr 15 | Apr 30 | Oct 8 | Oct 23 | Nov 5 |
| Hard freeze, 28°F | Mar 21 | Apr 5 | Apr 21 | Oct 18 | Nov 1 | Nov 17 |
Read the spring 10% column as the date after which only one year in ten still gets frost. That is the safer date for tomatoes, peppers and basil.
Where these numbers come from
NOAA station Emporia 3 NW (USC00142548) sits 2.4 miles from the center of Emporia at 1,238 feet. Its averages cover 1991 to 2020. Low spots, valleys and open fields can keep getting frost a week or two after the station stops; city centers and lakeshores usually get less of it.
Questions
When is the last frost in Emporia, KS?
The average last frost date in Emporia is April 15, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after April 30.
When is the first frost in Emporia?
The first frost in fall usually comes around October 23. One year in ten it arrives before October 8.
How long is the growing season in Emporia?
About 190 days between the average last and first frost.
When should I plant tomatoes in Emporia?
Plant tomato seedlings outside from April 22 to May 6. Start seeds indoors six to eight weeks earlier.