Average Monthly Sunshine in Key West (FL)

The graphs on this page shows the average number of hours per month and per day that Key West receives direct sunlight. The numbers are calculated over a 30-year period to provide a reliable average.

Monthly hours of sunshine

Key West experiences sunny spells throughout the year. The sunniest month, May, sees up to 341 hours of sunshine, while November, the least sunny month, still provides a respectable 231 hours. The total annual sunshine amounts to 3413 hours.

Daily hours of sunshine

The difference in daily sunshine hours between May (11.4 hours per day) and November (7.7 hours per day) offers moderate variety for visitors and residents.

Key West’s total hours of sunshine compared to other major cities

Key West enjoys an average of 3413 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

The city of Rome, Italy, experiences 2470 hours of sunshine annually, adding to its charm as a year-round tourist destination.

In contrast, Tromsø , Norway, receives only about 1270 hours of sunshine per year, known for the polar night with no sunlight for weeks during winter.

Stockholm, Sweden, receives approximately 1907 hours of sunshine annually.

In Brisbane, Australia, the annual sunshine averages 2999 hours, making it one of Australia’s sunniest cities.

Other climate information

September, Key West’s wettest month, receives 134 mm of rainfall and has a maximum daytime temperature of 32°C. During the driest month March you can expect a temperature of 26°C.

For more detailed insights into the city’s temperatures, check out our Temperature page. To explore more about precipitation patterns, visit our Key West Precipitation page.