Clear Lake (IA) Sunshine Hours by Month

Sunshine is key to understanding how a place experiences its seasons. This page shows the total number of hours of direct sunlight per month and the average hours per day in Clear Lake, Iowa, United States of America. These averages rely on historical data collected over 30 years, from 1990 to 2020.

Monthly hours of sunshine

Sunshine in Clear Lake varies greatly throughout the year. The sunniest month, July, reaches an impressive 342 hours, while December, the darkest month, offers only 118 hours. The total annual amount of sun is 2620 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 11.4 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 3.9 hours of sunlight per day.

Clear Lake enjoys an average of 2620 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.

In Shanghai, China, the annual average sunshine is 1780 hours, with cloudier weather in summer.

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

June, Clear Lake’s wettest month, receives 88 mm (3.5 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 -5°C (23°F).

For more detailed insights into the city’s temperatures, check out our Temperature page. To explore more about precipitation patterns, visit our Clear Lake Precipitation page.