Lake Bluff (IL) Sunshine Hours by Month
To truly understand a climate, we must look at its sunshine. This page shows the total number of hours of direct sunlight per month and the average hours per day in Lake Bluff, Illinois, United States of America. The figures are based on a 30-year period (1990–2020) to provide a reliable average.
Monthly hours of sunshine
Seasonal sunshine in Lake Bluff varies. It peaks at 319 hours in July and drops to 107 hours in December. The total annual amount of sun is 2509 hours.
Daily hours of sunshine
For those who appreciate different seasons, Lake Bluff serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 10.6 hours of sunshine daily, and embrace the darker days in December, offering only 3.6 hours of daily sunlight.
Average percent of sunshine
On average the sun shines 69% of the time during the day in July, the highest percentage of any month. December has the lowest percentage at 37%.
Lake Bluff vs Major Cities: Sunshine Compared
Lake Bluff enjoys an average of 2509 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, Reykjavík, Iceland, receives only about 1330 hours of sunshine per year, known for its frequently overcast and rainy skies.
In Chicago, USA, the annual sunshine averages 2520 hours, contributing to its humid continental climate.
Adelaide, Australia, enjoys 2770 hours of sunshine annually, with long, sunny summers.
Related Climate Data for Lake Bluff
August, Lake Bluff’s wettest month, receives 97 mm (3.8 in) of rainfall and has a maximum daytime temperature of 27°C (81°F). During the driest month January you can expect a temperature of -1°C (30°F).
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.