Weather Averages for Washington, DC

7-day Forecast / 10-day Forecast

Latitude: 38°54'N, Longitude: 76°59'W, Elevation: 50.0 ft, Distance: 1.99 mi Washington, DC Averages »

	Unit	Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Average temperature over 30 years	°F	55	32	35	44	53	64	72	77	75	68	57	47	37
Average high temperature over 30 years	°F	66	41	44	55	65	75	83	87	86	79	68	57	46
Average low temperature over 30 years	°F	44	23	25	34	42	52	61	66	65	57	45	36	28
Average precipitation over 30 years	in	43.1	3.1	3.0	3.3	3.3	4.2	3.8	4.4	4.4	3.6	3.3	3.4	3.3
Heating degree days over 30 years	days	4577	1004	834	626	330	95	-	-	-	31	267	534	856
Cooling degree days over 30 years	days	1160	-	-	-	-	64	231	372	332	139	22	-	-

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