Weather & Climate at Aberdeen Proving Ground Army Base

Aberdeen, MD

Summary of the weather and climate in Aberdeen, MD:

The average high is 66.4°F and the average low is 44.2°F.
The hottest month is July with a high of 89.6°F.
The coldest month is January with a low of 22°F.
Annual rainfall is 47.45 inches; the rainiest month is September (4.95 in).
Annual snowfall is 17.6 inches; the snowiest month is February (9 in).

Source: NOAA climate normals.

Temperatures through the year

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Bars span each month's average low to average high (20°F – 90°F scale).

Monthly averages

Month	High (°F)	Low (°F)	Rain (in)	Snow (in)
January	41.8	22	3.44	6.7
February	45.2	24.1	2.85	9
March	53.7	31.8	4.25	0.9
April	65.2	41.7	3.93	0
May	75.4	52.2	3.96	0
June	84.9	62.5	4.18	0
July	89.6	66.7	4.29	0
August	87.7	65.3	3.91	0
September	80.7	57.4	4.95	0
October	68.8	45	4.12	0
November	57.3	35	3.54	0.3
December	46.1	27	4.03	0.7