Key West (FL) Sunshine Hours by Month

Sunshine is key to understanding how a place experiences its seasons. This page shows the total number of hours of direct sunlight per month and the average hours per day in Key West, Florida, United States of America. This average is based on long-term data collected between 1990 and 2020.

Monthly hours of sunshine

Key West Nusa Penida experiences both sunny and cloudy or rainy periods, with some seasonal variation. It receives approximately 341 hours of sunshine in May and 231 hours in November, contributing to a total annual sunshine amount of 3413 hours.

Daily hours of sunshine

This means you will experience moderate variation in sunshine hours throughout the year. With 11.4 hours daily sunshine in May, it dips to 7.7 hours in November.

Average percent of sunshine

On average the sun shines 85% of the time during the day in April, the highest percentage of any month. November has the lowest percentage at 70%.

Key West vs Major Cities: Sunshine Compared

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

Seville, Spain, enjoys an impressive 2920 hours of sunshine per year, making it an ideal destination even in winter.

In contrast, Juneau, Alaska, receives only about 1523 hours of sunshine per year and is known for its very short days in winter and frequently overcast conditions.

Meanwhile, Buenos Aires, Argentina, enjoys a humid subtropical climate with 2520 hours of sunshine annually.

Adelaide, Australia, enjoys 2770 hours of sunshine annually, with long, sunny summers.

Related Climate Data for Key West

September, Key West’s wettest month, receives 134 mm (5.3 in) of rainfall and has a maximum daytime temperature of 32°C (90°F). During the driest month March you can expect a temperature of 26°C (79°F).

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.