Roachester weather by month
What a typical year looks like in Roachester, Ohio: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at WFO WILMINGTON, 25 km from Roachester; records cover 1995–2026.
The year at a glance
- Precipitation a year
- 44.7 in1135 mm
- Snow a year
- 27 in68 cm
- Last spring freeze
- Apr 13
- First fall freeze
- Oct 19
- Heating degree days
- 5,112
- Cooling degree days
- 1,018
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 1°−17° (heating, 99%) and 93°34° (cooling, 1%).
Month by month
Roachester in January
Highs average 38°4° and lows 22°−6°, with 3.3 in83 mm of precipitation and 9 in23 cm of snow in a typical January.
- Record high
- 71°22° (1999)
- Record low
- −12°−24° (2011)
- Heating degree days
- 1082
- Cooling degree days
- 0
Roachester in February
Highs average 42°6° and lows 24°−4°, with 2.9 in75 mm of precipitation and 7 in19 cm of snow in a typical February.
- Record high
- 77°25° (2018)
- Record low
- −14°−26° (2015)
- Heating degree days
- 886
- Cooling degree days
- 0
Roachester in March
Highs average 52°11° and lows 33°0°, with 4.1 in103 mm of precipitation and 4 in10 cm of snow in a typical March.
- Record high
- 85°29° (2012)
- Record low
- −1°−18° (2015)
- Heating degree days
- 703
- Cooling degree days
- 2
Roachester in April
Highs average 65°18° and lows 43°6°, with 4.5 in114 mm of precipitation and 0.4 in1 cm of snow in a typical April.
- Record high
- 86°30° (2009)
- Record low
- 16°−9° (1995)
- Heating degree days
- 351
- Cooling degree days
- 15
Roachester in May
Highs average 75°24° and lows 53°12°, with 4.8 in122 mm of precipitation in a typical May.
- Record high
- 92°33° (2006)
- Record low
- 29°−2° (2020)
- Heating degree days
- 123
- Cooling degree days
- 90
Roachester in June
Highs average 83°28° and lows 61°16°, with 4.5 in115 mm of precipitation in a typical June.
- Record high
- 99°37° (2012)
- Record low
- 42°6° (2003)
- Heating degree days
- 13
- Cooling degree days
- 220
Roachester in July
Highs average 85°30° and lows 64°18°, with 4.1 in105 mm of precipitation in a typical July.
- Record high
- 99°37° (1999)
- Record low
- 49°9° (2001)
- Heating degree days
- 2
- Cooling degree days
- 300
Roachester in August
Highs average 84°29° and lows 62°17°, with 3.4 in87 mm of precipitation in a typical August.
- Record high
- 97°36° (2007)
- Record low
- 44°7° (2025)
- Heating degree days
- 5
- Cooling degree days
- 254
Roachester in September
Highs average 79°26° and lows 55°13°, with 3 in77 mm of precipitation in a typical September.
- Record high
- 98°37° (2011)
- Record low
- 32°0° (1995)
- Heating degree days
- 67
- Cooling degree days
- 116
Roachester in OctoberThis month
Highs average 67°19° and lows 44°7°, with 3.4 in85 mm of precipitation and 0.1 in0.3 cm of snow in a typical October.
- Record high
- 93°34° (2019)
- Record low
- 23°−5° (1997)
- Heating degree days
- 316
- Cooling degree days
- 20
Roachester in November
Highs average 54°12° and lows 34°1°, with 3.3 in83 mm of precipitation and 1.1 in2.8 cm of snow in a typical November.
- Record high
- 81°27° (2016)
- Record low
- 7°−14° (2019)
- Heating degree days
- 632
- Cooling degree days
- 1
Roachester in December
Highs average 43°6° and lows 27°−3°, with 3.4 in87 mm of precipitation and 5 in12 cm of snow in a typical December.
- Record high
- 73°23° (1998)
- Record low
- −8°−22° (2022)
- Heating degree days
- 932
- Cooling degree days
- 0