Baltimore weather by month
What a typical year looks like in Baltimore, Ohio: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Lancaster Fairfield County Airport, 11 km from Baltimore; records cover 1996–2026.
The year at a glance
- Precipitation a year
- 40.3 in1024 mm
- Snow a year
- Rare
- Last spring freeze
- Apr 27
- First fall freeze
- Oct 14
- Heating degree days
- 5,473
- Cooling degree days
- 823
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −3°−19° (heating, 99%) and 93°34° (cooling, 1%).
Month by month
Baltimore in January
Highs average 38°3° and lows 20°−6°, with 2.9 in73 mm of precipitation in a typical January.
- Record high
- 72°22° (2020)
- Record low
- −21°−29° (2003)
- Heating degree days
- 1116
- Cooling degree days
- 0
Baltimore in February
Highs average 42°5° and lows 22°−5°, with 2.3 in58 mm of precipitation in a typical February.
- Record high
- 79°26° (2017)
- Record low
- −20°−29° (2015)
- Heating degree days
- 926
- Cooling degree days
- 0
Baltimore in March
Highs average 52°11° and lows 31°−1°, with 3.6 in91 mm of precipitation in a typical March.
- Record high
- 84°29° (2012)
- Record low
- −5°−21° (2015)
- Heating degree days
- 744
- Cooling degree days
- 1
Baltimore in April
Highs average 65°18° and lows 40°4°, with 3.9 in100 mm of precipitation in a typical April.
- Record high
- 87°31° (2009)
- Record low
- 15°−9° (1997)
- Heating degree days
- 393
- Cooling degree days
- 9
Baltimore in May
Highs average 74°23° and lows 50°10°, with 3.8 in96 mm of precipitation in a typical May.
- Record high
- 93°34° (2012)
- Record low
- 26°−3° (2005)
- Heating degree days
- 154
- Cooling degree days
- 67
Baltimore in June
Highs average 82°28° and lows 59°15°, with 4.4 in112 mm of precipitation in a typical June.
- Record high
- 99°37° (2012)
- Record low
- 36°2° (2025)
- Heating degree days
- 20
- Cooling degree days
- 182
Baltimore in July
Highs average 84°29° and lows 62°17°, with 4.4 in112 mm of precipitation in a typical July.
- Record high
- 100°38° (2012)
- Record low
- 43°6° (1996)
- Heating degree days
- 3
- Cooling degree days
- 260
Baltimore in August
Highs average 83°29° and lows 60°15°, with 3.1 in79 mm of precipitation in a typical August.
- Record high
- 99°37° (2024)
- Record low
- 41°5° (2024)
- Heating degree days
- 8
- Cooling degree days
- 208
Baltimore in September
Highs average 78°25° and lows 52°11°, with 3.2 in82 mm of precipitation in a typical September.
- Record high
- 96°36° (2002)
- Record low
- 30°−1° (1999)
- Heating degree days
- 91
- Cooling degree days
- 85
Baltimore in OctoberThis month
Highs average 66°19° and lows 41°5°, with 2.9 in73 mm of precipitation in a typical October.
- Record high
- 93°34° (2019)
- Record low
- 19°−7° (1997)
- Heating degree days
- 376
- Cooling degree days
- 11
Baltimore in November
Highs average 53°12° and lows 32°0°, with 3 in76 mm of precipitation in a typical November.
- Record high
- 80°27° (2016)
- Record low
- 5°−15° (2019)
- Heating degree days
- 681
- Cooling degree days
- 0
Baltimore in December
Highs average 42°6° and lows 26°−3°, with 2.9 in73 mm of precipitation in a typical December.
- Record high
- 73°23° (1998)
- Record low
- −9°−23° (2017)
- Heating degree days
- 961
- Cooling degree days
- 0