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Average Monthly Sunshine in Ashburn

The graphs on this page shows the average number of hours per month and per day that Ashburn receives direct sunlight. The numbers are calculated over a 30-year period to provide a reliable average.

Monthly hours of sunshine


Seasonal sunshine in Ashburn varies. It peaks at 282 hours in June and drops to 130 hours in December. The total annual amount of sun is 2520 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 4.3 hours of sunlight per day.

Ashburn’s total hours of sunshine compared to other major cities

Ashburn enjoys an average of 2520 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

Seville, Spain, enjoys an impressive 2920 hours of sunshine per year, making it an ideal destination even in winter.

The climate in San Francisco, USA, includes 3072 hours of sunshine annually, thanks to its mild coastal weather.

Vancouver, Canada, receives approximately 1940 hours of sunshine annually.

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

Other climate information

October, Ashburn’s wettest month, receives 70 mm of rainfall and has a maximum daytime temperature of 20°C. During the driest month February you can expect a temperature of 6°C.

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


Forecast: is it sunny in Ashburn?

Sat   Dec 28
11°C | 4°C
S 3 m/s
10 mm
overcast and rain

overcast and rain

Sun   Dec 29
17°C | 10°C
SE 7 m/s
18 mm
broken clouds and rain

broken clouds and rain

Mon   Dec 30
15°C | 6°C
W 5 m/s
almost clear and no rain

almost clear and no rain

Interested in more climate information?

This site provides you with all the information you need about the climate in Ashburn.

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.