Washington Mills weather by month
What a typical year looks like in Washington Mills, New York: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Rome Griffiss Airfield, 22 km from Washington Mills; records cover 2007–2026.
The year at a glance
- Precipitation a year
- 43.8 in1113 mm
- Snow a year
- Rare
- Last spring freeze
- May 11
- First fall freeze
- Oct 12
- Heating degree days
- 7,124
- Cooling degree days
- 473
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −10°−23° (heating, 99%) and 91°33° (cooling, 1%).
Month by month
Washington Mills in January
Highs average 30°−1° and lows 13°−11°, with 2.5 in64 mm of precipitation in a typical January.
- Record high
- 67°19° (2008)
- Record low
- −22°−30° (2018)
- Heating degree days
- 1348
- Cooling degree days
- 0
Washington Mills in February
Highs average 32°0° and lows 13°−10°, with 2.4 in60 mm of precipitation in a typical February.
- Record high
- 72°22° (2018)
- Record low
- −28°−33° (2016)
- Heating degree days
- 1190
- Cooling degree days
- 0
Washington Mills in March
Highs average 41°5° and lows 23°−5°, with 3.4 in87 mm of precipitation in a typical March.
- Record high
- 80°27° (2012)
- Record low
- −12°−24° (2014)
- Heating degree days
- 1031
- Cooling degree days
- 0
Washington Mills in April
Highs average 55°13° and lows 34°1°, with 3.7 in94 mm of precipitation in a typical April.
- Record high
- 91°33° (2009)
- Record low
- 5°−15° (2016)
- Heating degree days
- 617
- Cooling degree days
- 2
Washington Mills in May
Highs average 69°21° and lows 45°7°, with 4.5 in113 mm of precipitation in a typical May.
- Record high
- 92°33° (2020)
- Record low
- 24°−4° (2020)
- Heating degree days
- 278
- Cooling degree days
- 24
Washington Mills in June
Highs average 76°25° and lows 55°13°, with 4.2 in107 mm of precipitation in a typical June.
- Record high
- 94°34° (2007)
- Record low
- 32°0° (2009)
- Heating degree days
- 71
- Cooling degree days
- 81
Washington Mills in July
Highs average 81°27° and lows 60°15°, with 4.3 in108 mm of precipitation in a typical July.
- Record high
- 99°37° (2011)
- Record low
- 43°6° (2007)
- Heating degree days
- 13
- Cooling degree days
- 174
Washington Mills in August
Highs average 79°26° and lows 58°15°, with 3.6 in91 mm of precipitation in a typical August.
- Record high
- 94°34° (2007)
- Record low
- 43°6° (2008)
- Heating degree days
- 23
- Cooling degree days
- 138
Washington Mills in September
Highs average 72°22° and lows 51°11°, with 4 in100 mm of precipitation in a typical September.
- Record high
- 93°34° (2007)
- Record low
- 30°−1° (2020)
- Heating degree days
- 158
- Cooling degree days
- 51
Washington Mills in OctoberThis month
Highs average 59°15° and lows 41°5°, with 4.7 in119 mm of precipitation in a typical October.
- Record high
- 87°31° (2023)
- Record low
- 21°−6° (2013)
- Heating degree days
- 477
- Cooling degree days
- 3
Washington Mills in November
Highs average 47°8° and lows 31°0°, with 3.7 in94 mm of precipitation in a typical November.
- Record high
- 78°26° (2020)
- Record low
- −4°−20° (2018)
- Heating degree days
- 780
- Cooling degree days
- 0
Washington Mills in December
Highs average 36°2° and lows 21°−6°, with 3 in75 mm of precipitation in a typical December.
- Record high
- 68°20° (2015)
- Record low
- −16°−27° (2017)
- Heating degree days
- 1138
- Cooling degree days
- 0