Louisville (KY) 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 Louisville, Kentucky, United States of America. The figures are based on a 30-year period (1990–2020) to provide a reliable average.
Monthly hours of sunshine
Sunshine in Louisville varies greatly throughout the year. The sunniest month, July, reaches an impressive 295 hours, while December, the darkest month, offers only 119 hours. The total annual amount of sun is 2535 hours.
Daily hours of sunshine
This means the city can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 9.8 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 4.0 hours of sunlight per day.
Average percent of sunshine
On average the sun shines 65% of the time during the day in August, the highest percentage of any month. December has the lowest percentage at 42%.
Louisville vs Major Cities: Sunshine Compared
Louisville enjoys an average of 2535 hours of sunshine annually. Let’s compare this with some popular tourist destinations:
In Lisbon, Portugal, there are approximately 2801 hours of sunshine annually, highlighting its warm and sunny Mediterranean climate.
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.
Vancouver, Canada, receives approximately 1940 hours of sunshine annually.
Adelaide, Australia, enjoys 2770 hours of sunshine annually, with long, sunny summers.
Related Climate Data for Louisville
April, Louisville’s wettest month, receives 79 mm (3.1 in) of rainfall and has a maximum daytime temperature of 21°C (70°F). During the driest month August you can expect a temperature of 31°C (88°F).
For more detailed insights into the city’s temperatures, check out our Temperature page. To explore more about precipitation patterns, visit our Louisville Precipitation page.
