Atwater weather by month
What a typical year looks like in Atwater, Ohio: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at RAVENNA 2 S, 16 km from Atwater; records cover 1976–2026.
The year at a glance
- Precipitation a year
- 43.1 in1094 mm
- Snow a year
- 45 in114 cm
- Last spring freeze
- Apr 17
- First fall freeze
- Oct 22
- Heating degree days
- 6,400
- Cooling degree days
- 646
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −1°−18° (heating, 99%) and 96°36° (cooling, 1%).
Month by month
Atwater in January
Highs average 34°1° and lows 17°−8°, with 3.1 in78 mm of precipitation and 14 in37 cm of snow in a typical January.
- Record high
- 67°19° (2020)
- Record low
- −16°−27° (2026)
- Heating degree days
- 1226
- Cooling degree days
- 0
Atwater in February
Highs average 37°3° and lows 17°−8°, with 2.5 in64 mm of precipitation and 11 in28 cm of snow in a typical February.
- Record high
- 74°23° (2017)
- Record low
- −14°−26° (2015)
- Heating degree days
- 1064
- Cooling degree days
- 0
Atwater in March
Highs average 46°8° and lows 25°−4°, with 3.2 in81 mm of precipitation and 7 in19 cm of snow in a typical March.
- Record high
- 75°24° (2025)
- Record low
- −10°−23° (2015)
- Heating degree days
- 927
- Cooling degree days
- 0
Atwater in April
Highs average 59°15° and lows 36°2°, with 3.7 in94 mm of precipitation and 0.9 in2.3 cm of snow in a typical April.
- Record high
- 83°28° (2023)
- Record low
- 18°−8° (2016)
- Heating degree days
- 539
- Cooling degree days
- 1
Atwater in May
Highs average 71°22° and lows 47°8°, with 4.2 in106 mm of precipitation in a typical May.
- Record high
- 97°36° (2012)
- Record low
- 29°−2° (2020)
- Heating degree days
- 227
- Cooling degree days
- 41
Atwater in June
Highs average 81°27° and lows 56°14°, with 4.4 in113 mm of precipitation in a typical June.
- Record high
- 101°38° (2012)
- Record low
- 38°3° (2025)
- Heating degree days
- 38
- Cooling degree days
- 146
Atwater in July
Highs average 85°29° and lows 60°16°, with 4.5 in115 mm of precipitation in a typical July.
- Record high
- 102°39° (2012)
- Record low
- 49°9° (1976)
- Heating degree days
- 6
- Cooling degree days
- 232
Atwater in August
Highs average 82°28° and lows 58°14°, with 3.7 in93 mm of precipitation in a typical August.
- Record high
- 97°36° (1980)
- Record low
- 42°6° (2025)
- Heating degree days
- 17
- Cooling degree days
- 159
Atwater in September
Highs average 75°24° and lows 51°11°, with 4.2 in106 mm of precipitation in a typical September.
- Record high
- 91°33° (2015)
- Record low
- 35°2° (2020)
- Heating degree days
- 130
- Cooling degree days
- 60
Atwater in OctoberThis month
Highs average 63°17° and lows 40°4°, with 3.5 in89 mm of precipitation in a typical October.
- Record high
- 87°31° (2019)
- Record low
- 26°−3° (2015)
- Heating degree days
- 433
- Cooling degree days
- 7
Atwater in November
Highs average 49°10° and lows 31°−1°, with 3 in76 mm of precipitation and 2.1 in5.3 cm of snow in a typical November.
- Record high
- 76°24° (2015)
- Record low
- 13°−11° (2014)
- Heating degree days
- 750
- Cooling degree days
- 0
Atwater in December
Highs average 39°4° and lows 23°−5°, with 3.1 in79 mm of precipitation and 9 in24 cm of snow in a typical December.
- Record high
- 66°19° (2015)
- Record low
- −4°−20° (2022)
- Heating degree days
- 1043
- Cooling degree days
- 0