Average Monthly Sunshine in Lake Bluff (IL)

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

Monthly hours of sunshine

Sunshine in Lake Bluff varies greatly throughout the year. The sunniest month, July, reaches an impressive 319 hours, while December, the darkest month, offers only 107 hours. The total annual amount of sun is 2520 hours.

Daily hours of sunshine

Seasonal changes in sunshine hours are quite obvious in Lake Bluff. While July receives considerable daily sunshine with up to 10.6 hours, December marks the darkest time of the year, where sunshine is scarce with only 3.6 hours of sunlight per day.

Lake Bluff’s total hours of sunshine compared to other major cities

Lake Bluff enjoys an average of 2520 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

Athens, Greece, enjoys 2769 hours of sunshine each year, making it one of the sunniest destinations in the Mediterranean region.

In contrast, Brussels, UK, receives only about 1590 hours of sunshine per year, known for its frequently overcast and rainy skies.

Osaka, Japan, experiences 2010 hours of sunshine annually, with bright, sunny weather in spring and autumn.

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

Other climate information

August, Lake Bluff’s wettest month, receives 97 mm of rainfall and has a maximum daytime temperature of 27°C. During the driest month January you can expect a temperature of -1°C.

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