Average percent of sunshine in Fairfax
The mean percent of sunhours during the day in Fairfax (Virginia), the United States of America.
- The sun shines on average 64.0% in June making it the most sunny month.
- On average, December has the lowest percentage of sunshine with 45.0%.
Weather Forecasts for Fairfax
almost clear and no rain
broken clouds and no rain
overcast and small chance of rain