Washington DC gets to see all four seasons. Humidity will make the temps feel hotter in summer and colder in winter. Spring (March - May) Temp: Average high is 65.5 degrees with a low of 46.5 degrees Summer (June - August) Temp: Average high is 86 degrees with a low of 68.5 degrees Fall (September - November) Temp: Average high is 68 degrees with a low of 51.5 degrees Winter (December - February) Temp: Average high is 45 degrees with a low of 30 degrees (Source: www.usclimatedata.com)
Fee Free - $0.00
All of the Sites within National Mall and Memorial Parks are FREE. The only exception is if you wish to reserve tickets ahead of time for the Washington Monument.
No Passes - $0.00