Harvey (IL) Sunshine Hours by Month
The amount of sunshine is fundamental to comprehending a place's climate. This page shows the total number of hours of direct sunlight per month and the average hours per day in Harvey, Illinois, United States of America. The numbers reflect climate data gathered over a 30-year period, from 1990 to 2020.
Monthly hours of sunshine
If you're visiting Harvey, timing is key. In July, you can enjoy up to 319 hours of sunshine, while the shorter days of December provide just 107 hours. The total annual amount of sun is 2509 hours.
Daily hours of sunshine
In Harvey, summer days are longer and more sunny, with daily sunshine hours peaking at 10.6 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 3.6 hours per day.
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%.
Harvey vs Major Cities: Sunshine Compared
Harvey enjoys an average of 2509 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, Reykjavík, Iceland, receives only about 1330 hours of sunshine per year, known for its frequently overcast and rainy skies.
Stockholm, Sweden, receives approximately 1907 hours of sunshine annually.
Perth, Australia, enjoys 3180 hours of sunshine annually, the highest among major Australian cities.
Related Climate Data for Harvey
August, Harvey’s wettest month, receives 111 mm (4.4 in) of rainfall and has a maximum daytime temperature of 28°C (82°F). During the driest month November you can expect a temperature of 10°C (50°F).
For more detailed insights into the city’s temperatures, check out our Temperature page. To explore more about precipitation patterns, visit our Harvey Precipitation page.