Frost dates · New Hampshire
When is the first frost in Concord?
In a typical year, Concord’s first frost comes around October 3 and its last around May 8.
One year in ten the first frost comes as early as September 21, and nine years in ten it has arrived by October 16. One year in ten the last frost is over as early as April 27, and nine years in ten it is over by May 22. Concord averages about 165 nights a year at 32°F or colder, with about 146 frost-free days in between in a typical year. It’s frost season here, and the last frost usually comes around May 8. That makes it the 13th earliest first frost of the 117 cities we track where it freezes most years.
Last updated
No freeze in the forecast for the next 48 hours.
Concord gets frost on about 165 nights a year and treats the rest as a rumour.
Live 48-hour check from OpenWeatherMap, refreshed about every half hour. Alerts from the National Weather Service.
Frost dates, early, typical and late years
| Early year (1 in 10) | Typical | Late year (1 in 10) | |
|---|---|---|---|
| First frost | September 21 | October 3 | October 16 |
| Last frost | April 27 | May 8 | May 22 |
A frost date here is a night when the official thermometer reads 32°F or colder. Frost on the ground can show up on clear, calm nights a few degrees milder.
Cities with about the same first frost
- Yakima, Washington: first frost around October 4
- Anchorage, Alaska: first frost around October 1
- Cheyenne, Wyoming: first frost around October 1
Source: NOAA U.S. Climate Normals, 1991 to 2020, station USW00014745.