Ansonia weather by month
What a typical year looks like in Ansonia, Ohio: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at GREENVILLE WATER PLANT, 12 km from Ansonia; records cover 1893–2026.
The year at a glance
- Precipitation a year
- 40.3 in1023 mm
- Snow a year
- Rare
- Last spring freeze
- Apr 26
- First fall freeze
- Oct 17
- Heating degree days
- 5,671
- Cooling degree days
- 933
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 92°33° (cooling, 1%).
Month by month
Ansonia in January
Highs average 35°2° and lows 19°−7°, with 2.8 in72 mm of precipitation in a typical January.
- Record high
- 71°22° (1950)
- Record low
- −33°−36° (1994)
- Heating degree days
- 1176
- Cooling degree days
- 0
Ansonia in February
Highs average 39°4° and lows 21°−6°, with 2.2 in57 mm of precipitation in a typical February.
- Record high
- 75°24° (2018)
- Record low
- −23°−31° (1985)
- Heating degree days
- 973
- Cooling degree days
- 0
Ansonia in March
Highs average 50°10° and lows 30°−1°, with 3.2 in82 mm of precipitation in a typical March.
- Record high
- 85°29° (1910)
- Record low
- −14°−26° (1984)
- Heating degree days
- 779
- Cooling degree days
- 1
Ansonia in April
Highs average 63°17° and lows 40°5°, with 4.2 in106 mm of precipitation in a typical April.
- Record high
- 90°32° (1942)
- Record low
- 10°−12° (1982)
- Heating degree days
- 413
- Cooling degree days
- 10
Ansonia in May
Highs average 73°23° and lows 52°11°, with 4.3 in109 mm of precipitation in a typical May.
- Record high
- 98°37° (1911)
- Record low
- 23°−5° (1966)
- Heating degree days
- 156
- Cooling degree days
- 77
Ansonia in June
Highs average 82°28° and lows 61°16°, with 4.4 in112 mm of precipitation in a typical June.
- Record high
- 101°38° (1988)
- Record low
- 36°2° (1945)
- Heating degree days
- 21
- Cooling degree days
- 209
Ansonia in July
Highs average 85°29° and lows 64°18°, with 4 in100 mm of precipitation in a typical July.
- Record high
- 105°41° (1934)
- Record low
- 43°6° (1943)
- Heating degree days
- 2
- Cooling degree days
- 284
Ansonia in August
Highs average 83°29° and lows 61°16°, with 3.4 in86 mm of precipitation in a typical August.
- Record high
- 101°38° (1988)
- Record low
- 36°2° (1986)
- Heating degree days
- 6
- Cooling degree days
- 230
Ansonia in September
Highs average 78°26° and lows 53°12°, with 2.8 in70 mm of precipitation in a typical September.
- Record high
- 100°38° (1953)
- Record low
- 26°−3° (1942)
- Heating degree days
- 84
- Cooling degree days
- 106
Ansonia in OctoberThis month
Highs average 66°19° and lows 42°6°, with 2.9 in74 mm of precipitation in a typical October.
- Record high
- 90°32° (1951)
- Record low
- 14°−10° (1952)
- Heating degree days
- 357
- Cooling degree days
- 16
Ansonia in November
Highs average 52°11° and lows 33°0°, with 3.2 in81 mm of precipitation in a typical November.
- Record high
- 80°27° (2016)
- Record low
- −2°−19° (1929)
- Heating degree days
- 687
- Cooling degree days
- 0
Ansonia in December
Highs average 40°4° and lows 25°−4°, with 2.9 in73 mm of precipitation in a typical December.
- Record high
- 72°22° (1982)
- Record low
- −21°−29° (1989)
- Heating degree days
- 1017
- Cooling degree days
- 0