Last frost date in Mechanicsville, VA
In Mechanicsville, the last spring frost comes around April 10 in an average year. Wait until April 29 if you want 90% odds of no more frost. The first fall frost usually arrives about October 31, which leaves 202 frost-free days. An early freeze before October 17 happens one year in ten.
- Safe after (10% risk)
- Apr 29
- Average first frost
- Oct 31
- Frost-free season
- 202 days
- Hard freeze (28°F) ends
- Mar 28
No frost in the next 7 nights
National Weather Service forecast, updated Oct 22, 12:57 UTC
- ThuOct 2244°
- FriOct 2340°
- SatOct 2442°
- SunOct 2541°
- MonOct 2644°
- TueOct 2748°
- WedOct 2849°
Planting calendar for Mechanicsville
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 27 | Apr 10 | Apr 29 | Oct 17 | Oct 31 | Nov 13 |
| Hard freeze, 28°F | Mar 12 | Mar 28 | Apr 11 | Oct 29 | Nov 11 | Nov 30 |
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 Ashland Hanover County Municipal Airport (USW00093775) sits 6.9 miles from the center of Mechanicsville at 205 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 Mechanicsville, VA?
The average last frost date in Mechanicsville is April 10, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after April 29.
When is the first frost in Mechanicsville?
The first frost in fall usually comes around October 31. One year in ten it arrives before October 17.
How long is the growing season in Mechanicsville?
About 202 days between the average last and first frost.
When should I plant tomatoes in Mechanicsville?
Plant tomato seedlings outside from April 17 to May 1. Start seeds indoors six to eight weeks earlier.
Nearby in Virginia
- RichmondApr 3
- TuckahoeApr 10
- Short PumpApr 10
- MeadowbrookApr 3
- ChesterApr 3
- HopewellMar 31
- PetersburgApr 3
- FredericksburgApr 6
- Newport NewsApr 1
- Cherry HillMar 28
- LeesylvaniaMar 28
- CharlottesvilleApr 2