State rankings

Most Humid States

Alaska has the highest Average Daily Humidity (74.3%), followed by Louisiana (74.3%) and Mississippi (72.5%). Arizona has the lowest (40.4%).

50 of 51 states

Average Daily Humidity

Darker means higher. Click a place to highlight it.

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All 50 ranked

Highest first.

Distribution Median and middle halfThe median is the middle value: half of places are above it, half below. The middle half is the range holding the central 50% of places.More in the glossary →

Each dot is one state; the lines mark the median and the middle half.

Median
67.9%
Middle half 65.8% – 70.6%
Average
65.8%
50 states
Highest
74.3%
Alaska
Lowest
40.4%
Arizona

Data

Click a column to sort, a row to highlight that place on the charts.

50 states · # = rank by Average Daily Humidity
#
1Alaska74.3%69.7%79.0%
2Louisiana74.3%60.3%88.3%
3Mississippi72.5%56.3%88.7%
4Michigan72.2%62.0%82.4%
5Florida72.2%58.8%85.6%
6Minnesota71.9%61.6%82.2%
7Iowa71.9%61.3%82.5%
8Wisconsin71.6%61.5%81.8%
9Illinois71.0%60.0%82.0%
9Indiana71.0%60.0%82.0%
11Alabama70.9%56.0%85.8%
11North Dakota70.9%60.3%81.5%
13Missouri70.6%59.0%82.3%
13West Virginia70.6%57.8%83.5%
15Ohio70.6%60.1%81.1%
16Arkansas70.5%56.5%84.5%
17Tennessee69.9%56.0%83.8%
18Hawaii69.6%61.8%77.5%
19Kentucky69.4%57.8%81.0%
20North Carolina69.3%55.8%82.8%
21Maine69.3%60.0%78.5%
22Georgia69.0%53.2%84.8%
23South Dakota68.8%58.3%79.3%
24Washington68.6%57.8%79.3%
25Oklahoma68.0%55.5%80.5%
26Pennsylvania67.7%57.3%78.1%
27New York67.4%58.4%76.4%
28Oregon67.3%56.6%78.0%
29South Carolina67.0%51.5%82.5%
29Nebraska67.0%54.1%79.9%
29Vermont67.0%58.0%76.0%
32Virginia66.8%55.0%78.6%
33New Hampshire66.5%53.0%80.0%
33Delaware66.5%55.0%78.0%
35Texas66.3%52.7%79.8%
36Kansas66.2%53.8%78.6%
37Massachusetts65.8%57.0%74.7%
38Connecticut65.8%56.0%75.5%
39New Jersey65.3%54.5%76.0%
40Maryland65.0%53.0%77.0%
40Rhode Island65.0%55.0%75.0%
42Montana59.4%49.0%69.7%
43California58.6%49.5%67.8%
44Idaho56.0%45.0%67.0%
45Wyoming54.8%45.8%63.8%
46Utah53.0%43.0%63.0%
47Colorado49.1%39.0%59.2%
48New Mexico45.7%34.0%57.3%
49Nevada44.1%31.6%56.6%
50Arizona40.4%28.5%52.3%

What correlates with Average Daily Humidity?

Pearson r against 2,088 other state metrics sharing at least 30 states. Correlation is not causation.

Higher together

Places that have a higher Average Daily Humidity tend to score higher on these

  1. Average Relative HumidityLeast Humid States
    r = +0.95 · very strong · n = 50
    Plot
  2. Total PrecipitationAverage Temperatures by State
    r = +0.74 · very strong · n = 48
    Plot
  3. Cancer Rate New Cases 2018 to 2022Cancer Rates by State
    r = +0.72 · very strong · n = 50
    Plot
  4. Cancer Rate: New CasesCancer Rates by State
    r = +0.71 · very strong · n = 50
    Plot
  5. Average Annual RainfallOff-Grid Living Legal States
    r = +0.68 · strong · n = 50
    Plot
  6. Avg Indoor Allergy ScoreAllergy-Friendly States
    r = +0.67 · strong · n = 49
    Plot

Opposite directions

Places that have a higher Average Daily Humidity tend to score lower on these

  1. Average # of Sunny Hours per YearSunniest States in the U.S.
    r = −0.76 · very strong · n = 47
    Plot
  2. Scary Bridge HeightScariest Bridge by State
    r = −0.72 · very strong · n = 38
    Plot
  3. Annual Sunlight PercentageSunniest States in the U.S.
    r = −0.71 · very strong · n = 48
    Plot
  4. # of SpeciesChipmunk Population by State
    r = −0.71 · very strong · n = 48
    Plot
  5. Average # of Clear Days per YearSunniest States in the U.S.
    r = −0.69 · strong · n = 50
    Plot
  6. % of State Area Owned by Fed GovtPublic Land by State
    r = −0.69 · strong · n = 50
    Plot

Quick answers

Which state has the highest Average Daily Humidity?
Alaska has the highest Average Daily Humidity, at 74.3%, followed by Louisiana (74.3%) and Mississippi (72.5%).
Which state has the lowest Average Daily Humidity?
Arizona has the lowest Average Daily Humidity, at 40.4%.
What is the median Average Daily Humidity across US states?
The median is 67.9% across the 50 US states with data.
Where does this most humid states data come from?
Rankodex compiles it from World Population Review and the primary sources it cites: Oh The Humidity. Which State Is The Most Humid? - Forbes; Local Climatological Data - NOAA; USA by numbers - US News; Most and Least Humid States in the United States for 2025 - HomeSnacks.