Last frost date in Roanoke, VA
The average last frost in Roanoke is April 3. By April 18 the chance of another 32°F night drops to 1 in 10. The first fall frost usually arrives about November 1, which leaves 210 frost-free days. An early freeze before October 18 happens one year in ten.
- Safe after (10% risk)
- Apr 18
- Average first frost
- Nov 1
- Frost-free season
- 210 days
- Hard freeze (28°F) ends
- Mar 22
No frost in the next 7 nights
National Weather Service forecast, updated Oct 22, 12:57 UTC
- ThuOct 2239°
- FriOct 2340°
- SatOct 2438°
- SunOct 2539°
- MonOct 2641°
- TueOct 2746°
- WedOct 2846°
Planting calendar for Roanoke
Windows count forward or back from the average frost dates above. Click a crop for dates across Virginia.
Frost probabilities
| Threshold | Spring, 90% chance later | Spring, 50% | Spring, 10% | Fall, 10% chance earlier | Fall, 50% | Fall, 90% |
|---|---|---|---|---|---|---|
| Light frost, 32°F | Mar 19 | Apr 3 | Apr 18 | Oct 18 | Nov 1 | Nov 15 |
| Hard freeze, 28°F | Mar 4 | Mar 22 | Apr 7 | Oct 30 | Nov 12 | Dec 1 |
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 Roanoke Regional Airport (USW00013741) sits 2.8 miles from the center of Roanoke at 1,175 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 Roanoke, VA?
The average last frost date in Roanoke is April 3, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after April 18.
When is the first frost in Roanoke?
The first frost in fall usually comes around November 1. One year in ten it arrives before October 18.
How long is the growing season in Roanoke?
About 210 days between the average last and first frost.
When should I plant tomatoes in Roanoke?
Plant tomato seedlings outside from April 10 to April 24. Start seeds indoors six to eight weeks earlier.
Nearby in Virginia
- Cave SpringApr 3
- SalemApr 3
- BlacksburgApr 24
- ChristiansburgApr 19
- LynchburgApr 17
- DanvilleApr 8
- StauntonApr 15
- WaynesboroApr 21
- CharlottesvilleApr 2
- HarrisonburgApr 21
- Short PumpApr 10
- TuckahoeApr 10