Last frost date in Fairfax, Virginia
April 14
Average last frost in spring. In an early year (1 in 10) it's over by March 30; in a late year (1 in 10) it comes after April 28.
October 29
Average first frost in fall. 1 year in 10 it comes by October 17.
Source: NOAA U.S. Climate Normals 1991–2020, station Vienna (USC00448737), 2.7 miles from Fairfax, elevation 418 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.
This station is also the nearest one for Vienna, so its frost dates are the same as Fairfax's.
| Early year | Average | Late year | |
|---|---|---|---|
| Last frost in spring | Mar 30 | Apr 14 | Apr 28 |
| First frost in fall | Oct 17 | Oct 29 | Nov 11 |
Frost-free days in an average year: 198
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | Apr 25 | Oct 19 |
| Frost (32°F) | Every year | Apr 14 | Oct 29 |
| Hard freeze (28°F) | Every year | Apr 2 | Nov 8 |
Nights at 32°F or colder in an average year: 99
What to plant now in Fairfax
- Corn saladSept 15 – Nov 1Now
- Upland cressSept 15 – Nov 1Now
- Rhubarb plantsNov 1 – Dec 1Soon
- Asparagus plantsNov 15 – Jan 1Soon
- Spring planting calendar for an average last frost around April 10 Fairfax: April 14
- Fall planting calendar for an average first frost around October 30 Fairfax: October 29
Planting dates: USDA Home and Garden Bulletin No. 9 (1967), “Suburban and Farm Vegetable Gardens,” tables 4 and 5. How we match the table.
Nearby in Virginia
- Falls Church 7 mi · last frost Apr 9
- Herndon 9 mi · last frost Apr 15
- Alexandria 12 mi · last frost Mar 24
- Manassas 12 mi · last frost Apr 12
- Leesburg 22 mi · last frost Apr 16
Updated