Crofton weather by month
What a typical year looks like in Crofton, Maryland: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Annapolis United States Naval Academy Asos, 17 km from Crofton; records cover 1894–2026.
The year at a glance
- Precipitation a year
- 44 in1117 mm
- Snow a year
- Rare
- Last spring freeze
- Mar 27
- First fall freeze
- Nov 13
- Heating degree days
- 4,062
- Cooling degree days
- 1,435
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 15°−9° (heating, 99%) and 96°36° (cooling, 1%).
Month by month
Crofton in January
Highs average 43°6° and lows 30°−1°, with 2.8 in72 mm of precipitation in a typical January.
- Record high
- 77°25° (1950)
- Record low
- −8°−22° (1984)
- Heating degree days
- 885
- Cooling degree days
- 0
Crofton in February
Highs average 45°7° and lows 32°0°, with 2.4 in60 mm of precipitation in a typical February.
- Record high
- 83°28° (2018)
- Record low
- −6°−21° (1899)
- Heating degree days
- 746
- Cooling degree days
- 0
Crofton in March
Highs average 53°12° and lows 38°3°, with 3.8 in97 mm of precipitation in a typical March.
- Record high
- 92°33° (1998)
- Record low
- 10°−12° (1925)
- Heating degree days
- 599
- Cooling degree days
- 1
Crofton in April
Highs average 64°18° and lows 47°8°, with 3.4 in86 mm of precipitation in a typical April.
- Record high
- 95°35° (1941)
- Record low
- 13°−11° (1923)
- Heating degree days
- 301
- Cooling degree days
- 14
Crofton in May
Highs average 73°23° and lows 57°14°, with 3.2 in80 mm of precipitation in a typical May.
- Record high
- 98°37° (1941)
- Record low
- 32°0° (1971)
- Heating degree days
- 85
- Cooling degree days
- 90
Crofton in June
Highs average 82°28° and lows 68°20°, with 4 in103 mm of precipitation in a typical June.
- Record high
- 103°39° (1934)
- Record low
- 35°2° (1972)
- Heating degree days
- 4
- Cooling degree days
- 292
Crofton in July
Highs average 86°30° and lows 72°22°, with 4.9 in125 mm of precipitation in a typical July.
- Record high
- 105°41° (1901)
- Record low
- 50°10° (1988)
- Heating degree days
- 0
- Cooling degree days
- 432
Crofton in August
Highs average 84°29° and lows 71°21°, with 4.3 in108 mm of precipitation in a typical August.
- Record high
- 106°41° (1918)
- Record low
- 46°8° (1986)
- Heating degree days
- 0
- Cooling degree days
- 375
Crofton in September
Highs average 77°25° and lows 65°18°, with 5.1 in131 mm of precipitation in a typical September.
- Record high
- 99°37° (1939)
- Record low
- 37°3° (1989)
- Heating degree days
- 15
- Cooling degree days
- 198
Crofton in OctoberThis month
Highs average 67°19° and lows 52°11°, with 4 in103 mm of precipitation in a typical October.
- Record high
- 94°34° (2019)
- Record low
- 26°−3° (1909)
- Heating degree days
- 198
- Cooling degree days
- 32
Crofton in November
Highs average 56°13° and lows 42°6°, with 3 in77 mm of precipitation in a typical November.
- Record high
- 85°29° (1909)
- Record low
- 13°−11° (1929)
- Heating degree days
- 474
- Cooling degree days
- 1
Crofton in December
Highs average 47°8° and lows 34°1°, with 3 in76 mm of precipitation in a typical December.
- Record high
- 78°26° (1998)
- Record low
- −1°−18° (1989)
- Heating degree days
- 755
- Cooling degree days
- 0