Bluffton (IN) 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 Bluffton, Indiana, United States of America. The numbers reflect climate data gathered over a 30-year period, from 1990 to 2020.

Monthly hours of sunshine

Sunshine in Bluffton varies greatly throughout the year. The sunniest month, July, reaches an impressive 345 hours, while December, the darkest month, offers only 106 hours. The total annual amount of sun is 2779 hours.

Daily hours of sunshine

Seasonal changes in sunshine hours are quite obvious in Bluffton. While July receives considerable daily sunshine with up to 11.5 hours, December marks the darkest time of the year, where sunshine is scarce with only 3.5 hours of sunlight per day.

Average percent of sunshine

On average the sun shines 76% of the time during the day in July, the highest percentage of any month. December has the lowest percentage at 38%.

Bluffton enjoys an average of 2779 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, Brussels, Belgium, 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.

Perth, Australia, enjoys 3180 hours of sunshine annually, the highest among major Australian cities.

June, Bluffton’s wettest month, receives 92 mm (3.6 in) of rainfall and has a maximum daytime temperature of 28°C (82°F). During the driest month February you can expect a temperature of 1°C (34°F).

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