Butler (PA) Sunshine Hours by Month

When exploring climate, sunlight hours tell an important story. This page shows the total number of hours of direct sunlight per month and the average hours per day in Butler, Pennsylvania, United States of America. Long-term data from 1990 to 2020 was used to calculate these averages.

Monthly hours of sunshine

Those who love seasonal contrasts will appreciate Butler. Expect long, bright days with 255 hours in July and darker periods with just 73 hours in December. The total annual amount of sun is 2029 hours.

Daily hours of sunshine

Seasonal changes in sunshine hours are quite obvious in Butler. While July receives considerable daily sunshine with up to 8.5 hours, December marks the darkest time of the year, where sunshine is scarce with only 2.4 hours of sunlight per day.

Average percent of sunshine

On average the sun shines 56% of the time during the day in July, the highest percentage of any month. December has the lowest percentage at 26%.

Butler enjoys an average of 2029 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, London, UK, receives only about 1659 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.

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

June, Butler’s wettest month, receives 108 mm (4.3 in) of rainfall and has a maximum daytime temperature of 26°C (79°F). During the driest month February you can expect a temperature of 2°C (36°F).

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