Lake Darby weather by month
What a typical year looks like in Lake Darby, Ohio: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Columbus Ohio State University Airport, 18 km from Lake Darby; records cover 1997–2026.
The year at a glance
- Precipitation a year
- 35.8 in908 mm
- Snow a year
- Rare
- Last spring freeze
- Apr 24
- First fall freeze
- Oct 19
- Heating degree days
- 5,486
- Cooling degree days
- 919
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 2°−17° (heating, 99%) and 93°34° (cooling, 1%).
Month by month
Lake Darby in January
Highs average 36°2° and lows 21°−6°, with 2.2 in56 mm of precipitation in a typical January.
- Record high
- 69°21° (1999)
- Record low
- −14°−26° (2009)
- Heating degree days
- 1122
- Cooling degree days
- 0
Lake Darby in February
Highs average 40°4° and lows 23°−5°, with 1.9 in49 mm of precipitation in a typical February.
- Record high
- 76°24° (2017)
- Record low
- −9°−23° (2015)
- Heating degree days
- 938
- Cooling degree days
- 0
Lake Darby in March
Highs average 50°10° and lows 31°−1°, with 3 in76 mm of precipitation in a typical March.
- Record high
- 86°30° (2026)
- Record low
- 2°−17° (2015)
- Heating degree days
- 759
- Cooling degree days
- 2
Lake Darby in April
Highs average 63°17° and lows 41°5°, with 3.5 in90 mm of precipitation in a typical April.
- Record high
- 85°29° (2009)
- Record low
- 20°−7° (2007)
- Heating degree days
- 396
- Cooling degree days
- 10
Lake Darby in May
Highs average 73°23° and lows 51°11°, with 3.9 in98 mm of precipitation in a typical May.
- Record high
- 93°34° (2012)
- Record low
- 28°−2° (2020)
- Heating degree days
- 155
- Cooling degree days
- 69
Lake Darby in June
Highs average 81°27° and lows 60°16°, with 4.1 in103 mm of precipitation in a typical June.
- Record high
- 99°37° (2012)
- Record low
- 40°4° (2003)
- Heating degree days
- 21
- Cooling degree days
- 193
Lake Darby in July
Highs average 84°29° and lows 64°18°, with 3.7 in94 mm of precipitation in a typical July.
- Record high
- 100°38° (2012)
- Record low
- 47°8° (2007)
- Heating degree days
- 2
- Cooling degree days
- 285
Lake Darby in August
Highs average 83°28° and lows 62°17°, with 3.1 in77 mm of precipitation in a typical August.
- Record high
- 100°38° (2024)
- Record low
- 45°7° (2025)
- Heating degree days
- 5
- Cooling degree days
- 245
Lake Darby in September
Highs average 77°25° and lows 55°13°, with 3 in76 mm of precipitation in a typical September.
- Record high
- 97°36° (2011)
- Record low
- 35°2° (2000)
- Heating degree days
- 78
- Cooling degree days
- 100
Lake Darby in OctoberThis month
Highs average 65°18° and lows 43°6°, with 2.5 in64 mm of precipitation in a typical October.
- Record high
- 92°33° (2019)
- Record low
- 24°−4° (2008)
- Heating degree days
- 354
- Cooling degree days
- 15
Lake Darby in November
Highs average 51°11° and lows 34°1°, with 2.4 in60 mm of precipitation in a typical November.
- Record high
- 80°27° (2016)
- Record low
- 8°−13° (2019)
- Heating degree days
- 675
- Cooling degree days
- 0
Lake Darby in December
Highs average 40°5° and lows 26°−3°, with 2.5 in64 mm of precipitation in a typical December.
- Record high
- 72°22° (1998)
- Record low
- −7°−22° (2022)
- Heating degree days
- 981
- Cooling degree days
- 0