Extreme Cold/Wind Chill in New Hampshire
Every extreme cold/wind chill event the National Weather Service has filed in New Hampshire, year by year, with the most significant episodes. Temperatures or wind chills at or below the local warning criteria, or cold that caused deaths.
The most significant on the map
The most significant extreme cold/wind chill episodes in New Hampshire.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
The record
- Events
- 102
- Deaths
- 0
- Injuries
- 0
- Damage
- None recorded
Every year
The most significant
Ranked by deaths, injuries, damage and size together.
- Extreme Cold in New Hampshire, February 3 to 4, 2023Early on the 2nd a tropopause polar vortex (TPV) was dislodged from its position over Hudson Bay. Over time temperatures within the TPV had become very cold, with mid level temperatures around -40 degrees Celsius.
- Extreme Cold in New Hampshire, January 16 to 18, 2000Low pressure moving eastward from southern Quebec intensified near Nova Scotia, then slowly moved northeastward as high pressure moved eastward from south-central Canada.
- Extreme Cold in New Hampshire, January 13 to 15, 2000Strong winds ushered in cold air as an intense area of low pressure moved east of New England and high pressure built southeastward from southern Canada. The combination of the wind and cold air produced extreme wind chill temperatures across the state.
- Extreme Cold in New Hampshire, January 28, 2000Low pressure moved slowly northward from just south of Nova Scotia on the morning of the 27th to the Gulf of St. Lawrence by the morning of the 28th.
- Extreme Cold in New Hampshire, January 21 to 22, 2000Low pressure in the Gulf of Maine intensified rapidly as it moved slowly northward through the Canadian Maritimes. The pressure gradient between the low and a ridge of high pressure over the central and eastern U.S.
- Extreme Cold in New Hampshire, December 25 to 26, 2000Low pressure moving northeast and intensifying off the New England coast caused strong winds to develop over the state. The strong northwest winds brought arctic air into the area Christmas day.
- Extreme Cold in New Hampshire, February 10 to 11, 2001Strong winds developed across the state as a deep low pressure center moved eastward through the Canadian Maritimes and an arctic dome of high pressure dropped southeastward from central Canada.
- Extreme Cold in New Hampshire, February 17 to 18, 2001The combination of wind and cold temperatures behind an arctic cold front caused wind chill temperatures in many locations across northern and eastern New Hampshire to drop to 20 to 35 degrees below zero.
- Extreme Cold in New Hampshire, January 23 to 24, 2026During the afternoon on the 23rd a cold front crossed the Northeast. Later that evening a strong, secondary cold front crossed the region with heavy snow showers and bitterly cold temperatures.
More
Extreme Cold/Wind Chill everywhereEvery kind of event in New Hampshire
Sources
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24.