List of Coldest States in the US

2024 has marked the hottest year on record globally, but many parts of the United States still witnessed extreme winter weather, proving that climate extremes can co-exist. From deadly cold spells in January to snowstorms blanketing parts of the country in November, Americans in several states felt the icy grip of winter more than others.

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List of the top 10 Coldest States of the US

As per the data of, National Oceanic and Atmospheric Administration (NOAA), the below mentioned ten states recorded the lowest average temperatures from January to December 2024 in the United States.

1. Alaska

Statewide Average Temperature: 28.9°F

Coldest County: North Slope Borough

As expected, Alaska tops the list as the coldest state in the U.S. With a frigid average temperature under 30 degrees, Alaska’s vast northern terrain and Arctic conditions make it the unrivaled coldest region.

2. North Dakota

Statewide Average Temperature: 43.7°F

Coldest County: Rolette County

Known for its icy winters and blizzards, North Dakota faced especially cold conditions in 2024. Rolette County, located in the north-central part of the state, recorded the lowest temperatures within the state.

3. Wyoming

Statewide Average Temperature: 44.3°F

Coldest County: Teton County

High elevations and mountainous terrain contribute to Wyoming’s cold climate. Teton County, home to the Grand Tetons and parts of Yellowstone, was the chilliest in the state.

4.Montana

Statewide Average Temperature: 44.5°F

Coldest County: Deer Lodge County

Montana’s rugged landscape and harsh winters kept it among the coldest states. Deer Lodge County in the west-central region saw especially low temperatures.

5. Maine

Statewide Average Temperature: 45°F

Coldest County: Aroostook County

Maine’s proximity to Canada and its long winters make it no stranger to cold. Aroostook County in the north was the state's coldest, often buried under snow and ice.

6. Minnesota (Tie)

Statewide Average Temperature: 45.5°F

Coldest County: Cook County

Often nicknamed "America’s Icebox," Minnesota lived up to its reputation. Cook County, located along Lake Superior, was particularly frosty.

6. Idaho (Tie)

Statewide Average Temperature: 45.5°F

Coldest County: Custer County

Idaho’s mountainous regions drive its cold average, especially in central Custer County, which is known for its elevation and snowy winters.

8. Vermont

Statewide Average Temperature: 46.3°F

Coldest County: Essex County

Vermont’s winter charm comes with a bite. Essex County, in the state’s Northeast Kingdom, was its coldest region throughout 2024.

9. New Hampshire

Statewide Average Temperature: 47°F

Coldest County: Coös County

Mount Washington, located in Coös County, recorded the coldest average temperature in the contiguous U.S., helping push New Hampshire into the top ten.

10. Colorado

Statewide Average Temperature: 47.6°F

Coldest County: Lake County

Though known for sunny days, Colorado’s high-altitude regions like Lake County contributed to its cold standing in 2024.

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Overview

As climate patterns continue to shift over time, such extremes still serve as a reminder that even in warming years, winter’s wrath remains fierce in many parts of America.