Washington (Dulles), Virginia October-May Average Temperature
Degrees Fahrenheit
196405
45.1
196505
45.4
196605
44.5
196705
44.3
196805
44.3
196905
45.5
197005
43.5
197105
45.0
197205
46.9
197305
45.9
197405
47.4
197505
46.4
197605
48.0
197705
44.0
197805
44.0
197905
45.0
198005
46.6
198105
44.9
198205
44.6
198305
47.2
198405
44.8
198505
48.7
198605
47.3
198705
46.0
198805
45.7
198905
45.9
199005
47.3
199105
50.1
199205
47.0
199305
45.9
199405
45.4
199505
47.8
199605
44.6
199705
46.7
199805
49.4
199905
-99
200005
49.1
200105
46.2
200205
50.4
200305
45.3
200405
48.2
200505
47.0
200605
48.7
200705
47.9
200805
48.8
200905
46.9
201005
48.3
201105
47.0
201205
50.8
201305
47.4
201405
44.9
201505
45.2
201605
49.3
201705
50.3
201805
47.9
201905
48.2