Average Monthly Sunshine in Dubuque (IA)

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

Monthly hours of sunshine

If you're visiting Dubuque, timing is key. In June, you can enjoy up to 307 hours of sunshine, while the shorter days of December provide just 107 hours. The total annual amount of sun is 2499 hours.

Daily hours of sunshine

Seasonal changes in sunshine hours are quite obvious in Dubuque. While June receives considerable daily sunshine with up to 10.2 hours, December marks the darkest time of the year, where sunshine is scarce with only 3.6 hours of sunlight per day.

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

Dubuque enjoys an average of 2499 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, Brussels, UK, receives only about 1590 hours of sunshine per year, known for its frequently overcast and rainy skies.

Osaka, Japan, experiences 2010 hours of sunshine annually, with bright, sunny weather in spring and autumn.

In Brisbane, Australia, the annual sunshine averages 2999 hours, making it one of Australia’s sunniest cities.

Other climate information

July, Dubuque’s wettest month, receives 144 mm of rainfall and has a maximum daytime temperature of 29°C. During the driest month January you can expect a temperature of -3°C.

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