Last frost date in Carrboro, NC
The average last frost in Carrboro is March 31. By April 14 the chance of another 32°F night drops to 1 in 10. The first fall frost usually arrives about November 3, which leaves 218 frost-free days. An early freeze before October 23 happens one year in ten.
- Safe after (10% risk)
- Apr 14
- Average first frost
- Nov 3
- Frost-free season
- 218 days
- Hard freeze (28°F) ends
- Mar 19
No frost in the next 7 nights
National Weather Service forecast, updated Oct 22, 12:57 UTC
- ThuOct 2241°
- FriOct 2342°
- SatOct 2442°
- SunOct 2542°
- MonOct 2643°
- TueOct 2748°
- WedOct 2849°
Planting calendar for Carrboro
Windows count forward or back from the average frost dates above. Click a crop for dates across North Carolina.
Frost probabilities
| Threshold | Spring, 90% chance later | Spring, 50% | Spring, 10% | Fall, 10% chance earlier | Fall, 50% | Fall, 90% |
|---|---|---|---|---|---|---|
| Light frost, 32°F | Mar 16 | Mar 31 | Apr 14 | Oct 23 | Nov 3 | Nov 19 |
| Hard freeze, 28°F | Mar 1 | Mar 19 | Apr 1 | Nov 1 | Nov 14 | Dec 3 |
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 Chapel Hill 2 W (USC00311677) sits 1.3 miles from the center of Carrboro at 500 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 Carrboro, NC?
The average last frost date in Carrboro is March 31, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after April 14.
When is the first frost in Carrboro?
The first frost in fall usually comes around November 3. One year in ten it arrives before October 23.
How long is the growing season in Carrboro?
About 218 days between the average last and first frost.
When should I plant tomatoes in Carrboro?
Plant tomato seedlings outside from April 7 to April 21. Start seeds indoors six to eight weeks earlier.
Nearby in North Carolina
- Chapel HillMar 29
- DurhamApr 2
- MebaneApr 4
- MorrisvilleMar 31
- CaryMar 27
- ApexMar 27
- GrahamApr 4
- Holly SpringsApr 6
- BurlingtonMar 29
- RaleighMar 28
- Fuquay-VarinaApr 1
- SanfordApr 10