South Portland (ME) 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 South Portland, Maine, United States of America. These values are calculated using 30 years of data (1990–2020) to ensure accuracy.

Monthly hours of sunshine

Sunshine in South Portland varies greatly throughout the year. The sunniest month, July, reaches an impressive 278 hours, while December, the darkest month, offers only 140 hours. The total annual amount of sun is 2497 hours.

Daily hours of sunshine

For those who appreciate different seasons, South Portland serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 9.3 hours of sunshine daily, and embrace the darker days in December, offering only 4.7 hours of daily sunlight.

Average percent of sunshine

On average the sun shines 62% of the time during the day in August, the highest percentage of any month. November has the lowest percentage at 48%.

South Portland enjoys an average of 2497 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

In Barcelona, Spain, there are 2530 hours of sunshine annually and is a city that can be visited year-round.

In contrast, Juneau, Alaska, receives only about 1523 hours of sunshine per year and is known for its very short days in winter and frequently overcast conditions.

Toronto, Canada, sees around 2071 hours of sunshine each year, with especially long, bright summer days.

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

June, South Portland’s wettest month, receives 121 mm (4.8 in) of rainfall and has a maximum daytime temperature of 22°C (72°F). During the driest month January you can expect a temperature of 0°C (32°F).

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