Aberdeen weather by month
What a typical year looks like in Aberdeen, Maryland: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at ABERDEEN PHILLIPS FLD, 5 km from Aberdeen; records cover 1919–2026.
The year at a glance
- Precipitation a year
- 47.1 in1197 mm
- Snow a year
- Rare
- Last spring freeze
- Apr 6
- First fall freeze
- Nov 4
- Heating degree days
- 4,706
- Cooling degree days
- 1,171
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 12°−11° (heating, 99%) and 95°35° (cooling, 1%).
Month by month
Aberdeen in January
Highs average 42°5° and lows 25°−4°, with 3.3 in83 mm of precipitation in a typical January.
- Record high
- 75°24° (1950)
- Record low
- −12°−24° (1935)
- Heating degree days
- 979
- Cooling degree days
- 0
Aberdeen in February
Highs average 44°7° and lows 27°−3°, with 2.8 in71 mm of precipitation in a typical February.
- Record high
- 81°27° (1930)
- Record low
- −13°−25° (1934)
- Heating degree days
- 823
- Cooling degree days
- 0
Aberdeen in March
Highs average 53°11° and lows 33°1°, with 4.1 in104 mm of precipitation in a typical March.
- Record high
- 88°31° (1998)
- Record low
- 3°−16° (1934)
- Heating degree days
- 689
- Cooling degree days
- 1
Aberdeen in April
Highs average 65°18° and lows 43°6°, with 3.5 in89 mm of precipitation in a typical April.
- Record high
- 94°34° (2002)
- Record low
- 13°−11° (1923)
- Heating degree days
- 344
- Cooling degree days
- 14
Aberdeen in May
Highs average 73°23° and lows 53°12°, with 4 in101 mm of precipitation in a typical May.
- Record high
- 97°36° (1925)
- Record low
- 31°−1° (1947)
- Heating degree days
- 131
- Cooling degree days
- 67
Aberdeen in June
Highs average 82°28° and lows 62°17°, with 4.3 in109 mm of precipitation in a typical June.
- Record high
- 101°38° (2025)
- Record low
- 40°4° (1930)
- Heating degree days
- 14
- Cooling degree days
- 231
Aberdeen in July
Highs average 86°30° and lows 68°20°, with 4.8 in123 mm of precipitation in a typical July.
- Record high
- 105°41° (1936)
- Record low
- 48°9° (1988)
- Heating degree days
- 0
- Cooling degree days
- 373
Aberdeen in August
Highs average 84°29° and lows 66°19°, with 4.2 in107 mm of precipitation in a typical August.
- Record high
- 102°39° (1953)
- Record low
- 48°9° (1934)
- Heating degree days
- 1
- Cooling degree days
- 314
Aberdeen in September
Highs average 78°26° and lows 59°15°, with 4.8 in123 mm of precipitation in a typical September.
- Record high
- 98°37° (1953)
- Record low
- 34°1° (1947)
- Heating degree days
- 43
- Cooling degree days
- 148
Aberdeen in OctoberThis month
Highs average 67°19° and lows 47°8°, with 4.2 in106 mm of precipitation in a typical October.
- Record high
- 95°35° (1941)
- Record low
- 21°−6° (1969)
- Heating degree days
- 279
- Cooling degree days
- 22
Aberdeen in November
Highs average 56°13° and lows 37°3°, with 3.3 in83 mm of precipitation in a typical November.
- Record high
- 85°29° (1950)
- Record low
- 8°−13° (1930)
- Heating degree days
- 566
- Cooling degree days
- 1
Aberdeen in December
Highs average 46°8° and lows 30°−1°, with 3.9 in99 mm of precipitation in a typical December.
- Record high
- 74°23° (1998)
- Record low
- 0°−18° (1942)
- Heating degree days
- 837
- Cooling degree days
- 0