Vernon Hills (IL) Sunshine Hours by Month

Sunshine plays a big role in understanding the climate of a city. This page shows the total number of hours of direct sunlight per month and the average hours per day in Vernon Hills, Illinois, United States of America. These averages rely on historical data collected over 30 years, from 1990 to 2020.

Monthly hours of sunshine

Seasonal sunshine in Vernon Hills 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, Vernon Hills 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%.

Vernon Hills 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, London, UK, receives only about 1659 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.

Perth, Australia, enjoys 3180 hours of sunshine annually, the highest among major Australian cities.

July, Vernon Hills’s wettest month, receives 121 mm (4.8 in) of rainfall and has a maximum daytime temperature of 28°C (82°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 Vernon Hills Precipitation page.