Hamler weather by month
What a typical year looks like in Hamler, Ohio: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Napoleon 1sw, 20 km from Hamler; records cover 2009–2026.
The year at a glance
- Precipitation a year
- 36.6 in930 mm
- Snow a year
- Rare
- Last spring freeze
- Apr 23
- First fall freeze
- Oct 25
- Heating degree days
- 6,051
- Cooling degree days
- 880
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −4°−20° (heating, 99%) and 96°36° (cooling, 1%).
Month by month
Hamler in January
Highs average 33°1° and lows 18°−8°, with 2.5 in64 mm of precipitation in a typical January.
- Record high
- 65°18° (2013)
- Record low
- −14°−26° (2014)
- Heating degree days
- 1229
- Cooling degree days
- 0
Hamler in February
Highs average 36°2° and lows 20°−7°, with 2.2 in56 mm of precipitation in a typical February.
- Record high
- 71°22° (2017)
- Record low
- −16°−27° (2014)
- Heating degree days
- 1044
- Cooling degree days
- 0
Hamler in March
Highs average 47°8° and lows 27°−3°, with 2.4 in61 mm of precipitation in a typical March.
- Record high
- 87°31° (2012)
- Record low
- −4°−20° (2014)
- Heating degree days
- 871
- Cooling degree days
- 1
Hamler in April
Highs average 60°16° and lows 38°3°, with 3.6 in90 mm of precipitation in a typical April.
- Record high
- 86°30° (2022)
- Record low
- 14°−10° (2021)
- Heating degree days
- 475
- Cooling degree days
- 4
Hamler in May
Highs average 71°22° and lows 50°10°, with 4.1 in105 mm of precipitation in a typical May.
- Record high
- 99°37° (2018)
- Record low
- 25°−4° (2020)
- Heating degree days
- 186
- Cooling degree days
- 54
Hamler in June
Highs average 81°27° and lows 61°16°, with 3.9 in99 mm of precipitation in a typical June.
- Record high
- 106°41° (2012)
- Record low
- 37°3° (2023)
- Heating degree days
- 18
- Cooling degree days
- 190
Hamler in July
Highs average 85°29° and lows 64°18°, with 3.7 in93 mm of precipitation in a typical July.
- Record high
- 104°40° (2012)
- Record low
- 48°9° (2016)
- Heating degree days
- 4
- Cooling degree days
- 286
Hamler in August
Highs average 83°28° and lows 62°16°, with 3.5 in90 mm of precipitation in a typical August.
- Record high
- 97°36° (2020)
- Record low
- 40°4° (2024)
- Heating degree days
- 7
- Cooling degree days
- 230
Hamler in September
Highs average 77°25° and lows 54°12°, with 3 in75 mm of precipitation in a typical September.
- Record high
- 99°37° (2013)
- Record low
- 36°2° (2020)
- Heating degree days
- 85
- Cooling degree days
- 102
Hamler in OctoberThis month
Highs average 64°18° and lows 43°6°, with 2.6 in67 mm of precipitation in a typical October.
- Record high
- 91°33° (2025)
- Record low
- 21°−6° (2023)
- Heating degree days
- 364
- Cooling degree days
- 13
Hamler in November
Highs average 50°10° and lows 32°0°, with 2.7 in70 mm of precipitation in a typical November.
- Record high
- 81°27° (2016)
- Record low
- 0°−18° (2019)
- Heating degree days
- 713
- Cooling degree days
- 0
Hamler in December
Highs average 38°3° and lows 24°−5°, with 2.3 in59 mm of precipitation in a typical December.
- Record high
- 67°19° (2015)
- Record low
- −11°−24° (2022)
- Heating degree days
- 1055
- Cooling degree days
- 0