Fairfax Sunshine Hours by Month

Sunshine is key to understanding how a place experiences its seasons. This page shows the total number of hours of direct sunlight per month and the average hours per day in Fairfax, Virginia, United States of America. These averages rely on historical data collected over 30 years, from 1990 to 2020.

Monthly hours of sunshine

If you're visiting Fairfax, timing is key. In June, you can enjoy up to 282 hours of sunshine, while the shorter days of December provide just 130 hours. The total annual amount of sun is 2520 hours.

Daily hours of sunshine

For those who appreciate different seasons, Fairfax serves as an ideal destination. Expect longer, more sun-filled days in June with an average of 9.4 hours of sunshine daily, and embrace the darker days in December, offering only 4.3 hours of daily sunlight.

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 45%.

Fairfax vs Major Cities: Sunshine Compared

Fairfax enjoys an average of 2520 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, Reykjavík, Iceland, receives only about 1330 hours of sunshine per year, known for its frequently overcast and rainy skies.

Oslo, Norway, receives approximately 1690 hours of sunshine annually.

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

Related Climate Data for Fairfax

June, Fairfax’s wettest month, receives 89 mm (3.5 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 7°C (45°F).

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