Clinton (IA) Sunshine Hours by Month

In climate discussions, the hours of sunlight reveal much about a location. This page shows the total number of hours of direct sunlight per month and the average hours per day in Clinton, Iowa, United States of America. These averages rely on historical data collected over 30 years, from 1990 to 2020.

Monthly hours of sunshine

If you're visiting Clinton, timing is key. In July, you can enjoy up to 303 hours of sunshine, while the shorter days of December provide just 115 hours. The total annual amount of sun is 2466 hours.

Daily hours of sunshine

In Clinton, summer days are longer and more sunny, with daily sunshine hours peaking at 10.1 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 3.8 hours per day.

Average percent of sunshine

On average the sun shines 66% of the time during the day in July, the highest percentage of any month. December has the lowest percentage at 40%.

Clinton vs Major Cities: Sunshine Compared

Clinton enjoys an average of 2466 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

The city of Rome, Italy, experiences 2470 hours of sunshine annually, adding to its charm as a year-round tourist destination.

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

Beijing, China, has 2505 hours of sunshine annually, with clear, sunny days in winter.

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

Related Climate Data for Clinton

June, Clinton’s wettest month, receives 108 mm (4.3 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 Clinton Precipitation page.