Portsmouth Sunshine Hours by Month

Sunshine plays a big role in understanding the climate of a city. This page shows the total number of hours of direct sunlight per month and the average hours per day in Portsmouth, Virginia, United States of America. The figures are based on a 30-year period (1990–2020) to provide a reliable average.

Monthly hours of sunshine

Sunshine in Portsmouth varies greatly throughout the year. The sunniest month, June, reaches an impressive 282 hours, while December, the darkest month, offers only 158 hours. The total annual amount of sun is 2695 hours.

Daily hours of sunshine

This means the city can be enjoyed more throughout the sunniest month of June under a blue sky, with approximately 9.4 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 5.3 hours of sunlight per day.

Average percent of sunshine

On average the sun shines 64% of the time during the day in June, the highest percentage of any month. December has the lowest percentage at 52%.

Portsmouth vs Major Cities: Sunshine Compared

Portsmouth enjoys an average of 2695 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.

Beijing, China, has 2505 hours of sunshine annually, with clear, sunny days in winter.

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

Related Climate Data for Portsmouth

September, Portsmouth’s wettest month, receives 140 mm (5.5 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 11°C (52°F).

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