Weather Averages for Frederick, MD

7-day Forecast / 10-day Forecast

Latitude: 39°25'N, Longitude: 77°22'W, Elevation: 304.0 ft, Distance: 2.02 mi Frederick, MD Averages »

	Unit	Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Average temperature over 67 years	°F	55	33	34	43	53	64	71	77	73	68	55	44	35
Average high temperature over 67 years	°F	66	41	43	53	66	77	84	89	86	80	68	55	43
Average low temperature over 66 years	°F	44	24	24	32	41	51	60	64	62	55	44	35	26
Highest recorded temperature over 67 years	°F	109	75	80	89	98	100	104	109	105	102	98	84	75
Lowest recorded temperature over 67 years	°F	-20	-20	-11	0	12	24	37	42	39	28	21	3	-18
Average number of rainy days over 82 years	days	73	6.3	6	6.4	6.5	6.7	6.8	6.7	6.7	5.3	4.8	4.6	6.2
Average number of days above 90°F over 11 years	days	28.4	-	-	-	0.4	1	5.4	10.7	7.1	3.5	0.3	-	-
Average precipitation over 82 years	in	40.4	3.1	2.8	3.4	3.5	3.7	4.0	4.0	3.9	3.3	2.9	2.7	3.0
Average relative humidity over 44 years	%	66	65	68	60	60	60	69	66	70	71	71	71	63
Average dew point over 12 years	°F	42	21	23	28	37	48	60	62	62	57	46	35	21
Average number of days below 32°F over 11 years	days	123.3	28.4	23	20.4	6	0.3	-	-	-	0.1	3.8	16.7	24.6
Average number of days below 0°F over 11 years	days	1.7	0.9	0.5	0.1	-	-	-	-	-	-	-	-	0.2
Average snowfall over 11 years	in	25.5	6.1	7.5	6.8	0.2	-	-	-	-	-	-	1.7	3.2

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