Unadilla weather by month
What a typical year looks like in Unadilla, New York: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Walton 2, 21 km from Unadilla; records cover 1997–2026.
The year at a glance
- Precipitation a year
- 49.1 in1248 mm
- Snow a year
- Rare
- Last spring freeze
- May 23
- First fall freeze
- Oct 3
- Heating degree days
- 7,563
- Cooling degree days
- 246
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −9°−23° (heating, 99%) and 89°32° (cooling, 1%).
Month by month
Unadilla in January
Highs average 32°0° and lows 11°−11°, with 3.5 in89 mm of precipitation in a typical January.
- Record high
- 63°17° (2007)
- Record low
- −21°−29° (2005)
- Heating degree days
- 1350
- Cooling degree days
- 0
Unadilla in February
Highs average 34°1° and lows 12°−11°, with 2.6 in67 mm of precipitation in a typical February.
- Record high
- 73°23° (2017)
- Record low
- −21°−29° (2015)
- Heating degree days
- 1180
- Cooling degree days
- 0
Unadilla in March
Highs average 43°6° and lows 19°−7°, with 3.5 in89 mm of precipitation in a typical March.
- Record high
- 85°29° (1998)
- Record low
- −15°−26° (2003)
- Heating degree days
- 1060
- Cooling degree days
- 0
Unadilla in April
Highs average 56°13° and lows 31°−1°, with 4.2 in106 mm of precipitation in a typical April.
- Record high
- 91°33° (2009)
- Record low
- 6°−14° (2016)
- Heating degree days
- 655
- Cooling degree days
- 1
Unadilla in May
Highs average 67°19° and lows 41°5°, with 4.2 in106 mm of precipitation in a typical May.
- Record high
- 90°32° (2016)
- Record low
- 20°−7° (1997)
- Heating degree days
- 360
- Cooling degree days
- 8
Unadilla in June
Highs average 75°24° and lows 50°10°, with 5 in126 mm of precipitation in a typical June.
- Record high
- 91°33° (1999)
- Record low
- 27°−3° (2004)
- Heating degree days
- 122
- Cooling degree days
- 43
Unadilla in July
Highs average 79°26° and lows 55°13°, with 4.5 in115 mm of precipitation in a typical July.
- Record high
- 94°34° (2011)
- Record low
- 29°−2° (2002)
- Heating degree days
- 40
- Cooling degree days
- 91
Unadilla in August
Highs average 78°25° and lows 54°12°, with 5.2 in131 mm of precipitation in a typical August.
- Record high
- 97°36° (2001)
- Record low
- 37°3° (2025)
- Heating degree days
- 53
- Cooling degree days
- 76
Unadilla in September
Highs average 71°22° and lows 47°8°, with 4.6 in118 mm of precipitation in a typical September.
- Record high
- 91°33° (1999)
- Record low
- 25°−4° (2000)
- Heating degree days
- 205
- Cooling degree days
- 25
Unadilla in OctoberThis month
Highs average 60°15° and lows 36°2°, with 4.7 in119 mm of precipitation in a typical October.
- Record high
- 85°29° (2007)
- Record low
- 18°−8° (2002)
- Heating degree days
- 536
- Cooling degree days
- 2
Unadilla in November
Highs average 47°8° and lows 27°−3°, with 3.7 in93 mm of precipitation in a typical November.
- Record high
- 76°24° (2024)
- Record low
- −10°−23° (2018)
- Heating degree days
- 840
- Cooling degree days
- 0
Unadilla in December
Highs average 36°2° and lows 19°−7°, with 3.6 in90 mm of precipitation in a typical December.
- Record high
- 66°19° (1998)
- Record low
- −17°−27° (2005)
- Heating degree days
- 1162
- Cooling degree days
- 0