Last frost date in Benton, AR
In Benton, the last spring frost comes around March 24 in an average year. Wait until April 13 if you want 90% odds of no more frost. The first fall frost usually arrives about November 7, which leaves 229 frost-free days. An early freeze before October 26 happens one year in ten.
- Safe after (10% risk)
- Apr 13
- Average first frost
- Nov 7
- Frost-free season
- 229 days
- Hard freeze (28°F) ends
- Mar 9
No frost in the next 7 nights
National Weather Service forecast, updated Oct 22, 12:57 UTC
- ThuOct 2250°
- FriOct 2349°
- SatOct 2449°
- SunOct 2549°
- MonOct 2649°
- TueOct 2750°
- WedOct 2848°
Planting calendar for Benton
Windows count forward or back from the average frost dates above. Click a crop for dates across Arkansas.
Frost probabilities
| Threshold | Spring, 90% chance later | Spring, 50% | Spring, 10% | Fall, 10% chance earlier | Fall, 50% | Fall, 90% |
|---|---|---|---|---|---|---|
| Light frost, 32°F | Mar 3 | Mar 24 | Apr 13 | Oct 26 | Nov 7 | Nov 23 |
| Hard freeze, 28°F | Feb 19 | Mar 9 | Mar 29 | Nov 1 | Nov 18 | Dec 5 |
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 Benton (USC00030582) sits 1.7 miles from the center of Benton at 310 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 Benton, AR?
The average last frost date in Benton is March 24, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after April 13.
When is the first frost in Benton?
The first frost in fall usually comes around November 7. One year in ten it arrives before October 26.
How long is the growing season in Benton?
About 229 days between the average last and first frost.
When should I plant tomatoes in Benton?
Plant tomato seedlings outside from March 31 to April 14. Start seeds indoors six to eight weeks earlier.
Nearby in Arkansas
- BryantMar 24
- Little RockMar 21
- North Little RockMar 21
- Hot SpringsMar 19
- SherwoodMar 16
- JacksonvilleMar 16
- ConwayApr 2
- Pine BluffMar 14
- CabotApr 4
- RussellvilleMar 29
- SearcyMar 27
- TexarkanaMar 13