Average Monthly Sunshine in Clinton (IA)

The graphs on this page shows the average number of hours per month and per day that Clinton receives direct sunlight. The numbers are calculated over a 30-year period to provide a reliable average.

Monthly hours of sunshine

Seasonal sunshine in Clinton varies. It peaks at 303 hours in July and drops to 115 hours in December. The total annual amount of sun is 2467 hours.

Daily hours of sunshine

This means the city can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 10.1 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 3.8 hours of sunlight per day.

Clinton’s total hours of sunshine compared to other major cities

Clinton enjoys an average of 2467 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

In Lisbon, Portugal, there are approximately 2801 hours of sunshine annually, highlighting its warm and sunny Mediterranean climate.

In contrast, London, UK, receives only about 1659 hours of sunshine per year, known for its frequently overcast and rainy skies.

Meanwhile, Buenos Aires, Argentina, enjoys a humid subtropical climate with 2520 hours of sunshine annually.

In Tokyo, Japan, the average annual sunshine is 1930 hours, with sunny periods between rainy seasons.

Other climate information

June, Clinton’s wettest month, receives 108 mm of rainfall and has a maximum daytime temperature of 27°C. During the driest month January you can expect a temperature of -1°C.

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.