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Moisture Map

Your Region

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Top 10 Most Humid Cities|Top 10 Driest Cities

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Humidity may vary from city to city due to elevation and the city's layout.

Relative humidity fluctuates throughout the day along with the air temperature. At the coolest time of day, humidity usually peaks.
(Sources: City-Data,, LiveScience)
Neighborhoods near the coast naturally have higher humidity levels, whereas towns near desert or mountainous regions, can have much lower humidity.
(Sources: City-Data,, LiveScience)
Areas of Louisiana and Florida have the highest relative humidity among big US cities.
(Sources: City-Data,, LiveScience)
Cooler air holds less water, and thus areas of the country that experience extreme cold have naturally lower humidity levels.
(Sources: City-Data,, LiveScience)
During the winter months, humidity levels in the northeastern and northwestern areas of the US can drop as low as 10%, which in turn affects health and homes.
(Sources: City-Data,, LiveScience)
With 300 sunny days a year and less than 30 days with precipitation annually, Las Vegas is one of the driest cities in the country.
(Sources: City-Data,, LiveScience)
Phoenix and other areas of Arizona, New Mexico and western Texas have the hottest climate compared to other regions of the US. Hot and dry go hand in hand.
(Sources: City-Data,, LiveScience)
Top 10 Most Humid Cities
  1. Quillayute/Forks, WA
  2. Mount Washington, NH
  3. Astoria, OR
  4. Port Arthur, TX
  5. Lake Charles, LA
  6. Corpus Christi, TX
  7. Victoria, TX
  8. Brownsville, TX
  9. Houston, TX
  10. Olympia, WA
(Sources: NOAA)
Top 10 Driest Cities
  1. Albuquerque, NM
  2. Colorado Springs, CO
  3. Denver, CO
  4. Las Vegas, NV
  5. Phoenix, AZ
  6. Tucson, AZ
  7. Minneapolis, MN
  8. Salt Lake City, UT
  9. Ogden, UT
  10. Madison, WI
(Sources: Environmental Health & Engineering, Inc., Weather Base, & U.S. Geological Survey)