Last frost date in Lebanon, New Hampshire
May 9
Average last frost in spring. In an early year (1 in 10) it's over by April 27; in a late year (1 in 10) it comes after May 24.
October 6
Average first frost in fall. 1 year in 10 it comes by September 23.
Source: NOAA U.S. Climate Normals 1991–2020, station Lebanon Muni AP (USW00094765), 2.6 miles from Lebanon, elevation 598 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.
| Early year | Average | Late year | |
|---|---|---|---|
| Last frost in spring | Apr 27 | May 9 | May 24 |
| First frost in fall | Sept 23 | Oct 6 | Oct 19 |
Frost-free days in an average year: 148
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | May 22 | Sept 26 |
| Frost (32°F) | Every year | May 9 | Oct 6 |
| Hard freeze (28°F) | Every year | Apr 29 | Oct 15 |
Nights at 32°F or colder in an average year: 163
What to plant now in Lebanon
- Spring planting calendar for an average last frost around May 10 Lebanon: May 9
- Fall planting calendar for an average first frost around October 10 Lebanon: October 6
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 New Hampshire
- Claremont 18 mi · last frost May 14
- Laconia 39 mi · last frost Apr 30
- Concord 45 mi · last frost May 8
- Keene 47 mi · last frost May 14
- Manchester 61 mi · last frost Apr 30
Updated