Deferiet weather by month
What a typical year looks like in Deferiet, New York: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at WATERTOWN, 17 km from Deferiet; records cover 1893–2026.
The year at a glance
- Precipitation a year
- 44.4 in1127 mm
- Snow a year
- 116 in296 cm
- Last spring freeze
- May 1
- First fall freeze
- Oct 8
- Heating degree days
- 7,294
- Cooling degree days
- 558
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −13°−25° (heating, 99%) and 89°32° (cooling, 1%).
Month by month
Deferiet in January
Highs average 29°−2° and lows 11°−12°, with 3.6 in91 mm of precipitation and 34 in86 cm of snow in a typical January.
- Record high
- 66°19° (1906)
- Record low
- −34°−37° (1981)
- Heating degree days
- 1401
- Cooling degree days
- 0
Deferiet in February
Highs average 31°−1° and lows 12°−11°, with 2.9 in73 mm of precipitation and 30 in75 cm of snow in a typical February.
- Record high
- 67°19° (2018)
- Record low
- −31°−35° (1943)
- Heating degree days
- 1224
- Cooling degree days
- 0
Deferiet in March
Highs average 40°4° and lows 22°−6°, with 2.8 in70 mm of precipitation and 14 in35 cm of snow in a typical March.
- Record high
- 82°28° (1990)
- Record low
- −21°−29° (1950)
- Heating degree days
- 1067
- Cooling degree days
- 0
Deferiet in April
Highs average 54°12° and lows 35°1°, with 3.5 in90 mm of precipitation and 2.7 in6.9 cm of snow in a typical April.
- Record high
- 92°33° (1990)
- Record low
- 1°−17° (1923)
- Heating degree days
- 632
- Cooling degree days
- 2
Deferiet in May
Highs average 67°19° and lows 47°8°, with 3.7 in93 mm of precipitation in a typical May.
- Record high
- 92°33° (1911)
- Record low
- 21°−6° (1902)
- Heating degree days
- 277
- Cooling degree days
- 31
Deferiet in June
Highs average 75°24° and lows 57°14°, with 3.7 in94 mm of precipitation in a typical June.
- Record high
- 98°37° (1894)
- Record low
- 30°−1° (1945)
- Heating degree days
- 69
- Cooling degree days
- 102
Deferiet in July
Highs average 80°27° and lows 62°17°, with 3.5 in88 mm of precipitation in a typical July.
- Record high
- 99°37° (1894)
- Record low
- 35°2° (1898)
- Heating degree days
- 12
- Cooling degree days
- 195
Deferiet in August
Highs average 79°26° and lows 61°16°, with 3.8 in98 mm of precipitation in a typical August.
- Record high
- 97°36° (1916)
- Record low
- 36°2° (1940)
- Heating degree days
- 22
- Cooling degree days
- 164
Deferiet in September
Highs average 72°22° and lows 52°11°, with 3.9 in98 mm of precipitation in a typical September.
- Record high
- 96°36° (1953)
- Record low
- 26°−3° (1896)
- Heating degree days
- 148
- Cooling degree days
- 59
Deferiet in OctoberThis month
Highs average 59°15° and lows 41°5°, with 5 in127 mm of precipitation and 0.5 in1.3 cm of snow in a typical October.
- Record high
- 87°31° (2005)
- Record low
- 15°−9° (1936)
- Heating degree days
- 476
- Cooling degree days
- 5
Deferiet in November
Highs average 46°8° and lows 31°−1°, with 4.2 in108 mm of precipitation and 9 in23 cm of snow in a typical November.
- Record high
- 78°26° (1896)
- Record low
- −3°−19° (1933)
- Heating degree days
- 797
- Cooling degree days
- 0
Deferiet in December
Highs average 35°2° and lows 20°−7°, with 3.9 in98 mm of precipitation and 27 in68 cm of snow in a typical December.
- Record high
- 69°21° (2001)
- Record low
- −39° (1933)
- Heating degree days
- 1169
- Cooling degree days
- 0