Fly from
Fly to
Route
Depart
Return
Price
LondonWashington, D.C.
SEN - IAD
SENIAD
London Southend
Sun 1/5
7:50 pm-12:15 pm
3 stops45h 25m
Washington, D.C. Dulles Intl
Sun 1/12
6:30 pm-11:20 am
1 stop11h 50m
LondonWashington, D.C.
SEN - IAD
SENIAD
London Southend
Sun 11/24
1:10 pm-1:00 pm
3 stops28h 50m
In terms of precipitation, rainfall in Washington, D.C. 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. when rainfall is around 2.6 in.
If weather is an important factor for your trip to Washington, D.C., 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).