How Often Does the Sun Shine in Key West?
The average annual sunshine level in the city of Key West, Florida is 76%. That means, on average, the sun is shining 76% of the possible time it could be shining in Key West on a yearly basis. The rest of the time clouds block the sun.
Sunshine levels do vary in Key West, depending upon the months, though not to any great degree. The sunniest month of the year in Key West is April, when it is sunny 84% of the time, followed closely by March and May which are both at 82%. The next sunniest months are February and July at 77%. followed by June and August, which both average 76% sunshine levels.
The least sunniest month of the year in Key West, Florida is December, which averages 70% sunshine, followed closely by October and November which both average 71% sunshine levels. The next least sunniest month in Key West is September at 72%, followed by January at 74%.
Looking at the monthly sunshine levels in Key West, one can see why the city is a popular tourist destination, especially in the winter. The sun shines in Key West the most in winter and spring. Of course, it doesn't hurt that Key West is the warmest weather city in the United States. Despite that fact, it has never been above 97 degrees in Key West.
How the Sunshine Level in Key West Compares to Other Cities in Florida
As you can see below, Key West is the sunniest city in the state of Florida by a decent margin. Key West is a major reason why Florida is known as the Sunshine State.
Miami - 70%
Apalachicola - 66%
Tampa - 66%
Jacksonville - 63%
Pensacola - 60%
Other Cities in the United States with Around 76% Annual Sunshine Levels
All the following cities also average around 76% annual sunshine. That does not mean any of the cities have the same climate as Key West, just that they average around the same amount of annual sunshine.
Reno, Nevada - 79%
Sacramento, California - 78%
Albuquerque, New Mexico - 76%
Pueblo, Colorado - 76%
Roswell, New Mexico - 74%
Los Angeles, California - 73%
Overall, Key West ranks as one of the sunniest cities in the United States. There are only about two dozen cities in the United States that receive more annual sunshine. Yuma, Arizona is the sunniest city in the United States, and the world, at 90%. The city with lowest annual average sunshine level in the United States is Juneau, Alaska at 30%.