Fly from
Fly to
Route
Depart
Return
Price
HyannisWashington, D.C.
HYA - IAD
HYAIAD
Hyannis Barnstable
Mon 12/16
3:50 pm-9:25 pm
1 stop5h 35m
Washington, D.C. Dulles Intl
Fri 12/20
10:24 pm-3:40 pm
1 stop17h 16m
NantucketWashington, D.C.
ACK - IAD
ACKIAD
Nantucket Memorial
Fri 11/29
7:45 am-11:22 am
1 stop3h 37m
Washington, D.C. Dulles Intl
Tue 12/3
12:55 pm-5:06 pm
1 stop4h 11m
HyannisWashington, D.C.
HYA - IAD
HYAIAD
Hyannis Barnstable
Wed 11/20
11:00 am-7:29 am
1 stop20h 29m
NantucketWashington, D.C.
ACK - IAD
ACKIAD
Nantucket Memorial
Tue 11/19
11:25 am-3:44 pm
1 stop4h 19m
In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.
If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).