US Mean Annual Heating Degree Days Map
As shown on our map, heating demand increases moving north and into higher elevations. The deep South shows the exact opposite.
All Maps
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US Mean Annual Cooling Degree Days Map
This map highlights where cooling demand is greatest. Southern states and desert regions stand out because of high temperatures.
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US Mean Annual Relative Humidity Map
Our map shows how the United States gets progressively more humid as you move from the dry West to the moisture-rich East.
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US Mean Annual Length Freeze Free Period Map
Our map reflects how latitude and ocean control growing seasons. The freeze-free period grows longer as you move south and toward the coasts.
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US Mean Annual Daily Minimum Temperature Map
Our minimum temperature map reveals how northern states and high-elevation areas experience the coldest overnight lows throughout the year.
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US Mean Annual Daily Maximum Temperature Map
This map shows how maximum temperature varies across the country. It shows how latitude, elevation, and desert geography drive temperature.
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United States Precipitation Map
Our US precipitation map shows a huge split. The eastern half and the Northwest are green, while the west interior is a giant dry zone.
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Wyoming Precipitation Map
Wyoming is one of the driest states. Our precipitation map of Wyoming shows that the only wet areas are the high mountain ranges.
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Wisconsin Precipitation Map
Wisconsin sees above average precipitation because of lake-effect moisture. See the change in precipitation on our map.
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West Virginia Precipitation Map
West Virginia has mountainous terrain. Our precipitation map of West Virginia reflects how the ridges appear wetter.
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Washington Precipitation Map
Washington is known for its rain. Our precipitation map of Washington shows that the Olympic Mountains and the Cascades get the most water.
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Virginia Precipitation Map
Virginia’s precipitation increases as you move from the coast inland toward the Blue Ridge Mountains. It decreases in the valleys beyond.
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Vermont Precipitation Map
Vermont gets a lot of precipitation. Our precipitation map of Vermont shows higher elevations like the Green Mountains appearing wetter.
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Utah Precipitation Map
Desert basins dominate much of the state. Our precipitation map of Utah shows that the Wasatch Range in the center gets the most moisture.
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Texas Precipitation Map
From its wet eastern forests to the bone-dry deserts, Texas shows maybe the most dramatic precipitation gradient in the country.
