Crystal Lake (IL) Sunshine Hours by Month
When exploring climate, sunlight hours tell an important story. This page shows the total number of hours of direct sunlight per month and the average hours per day in Crystal Lake, Illinois, United States of America. Long-term data from 1990 to 2020 was used to calculate these averages.
Monthly hours of sunshine
Those who love seasonal contrasts will appreciate Crystal Lake. Expect long, bright days with 319 hours in July and darker periods with just 107 hours in December. The total annual amount of sun is 2509 hours.
Daily hours of sunshine
Seasonal changes in sunshine hours are quite obvious in Crystal Lake. 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.
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%.
Crystal Lake vs Major Cities: Sunshine Compared
Crystal Lake 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, 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.
The climate in San Francisco, USA, includes 3072 hours of sunshine annually, thanks to its mild coastal weather.
Adelaide, Australia, enjoys 2770 hours of sunshine annually, with long, sunny summers.
Related Climate Data for Crystal Lake
June, Crystal Lake’s wettest month, receives 122 mm (4.8 in) of rainfall and has a maximum daytime temperature of 26°C (79°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 Crystal Lake Precipitation page.
