Castorland weather by month
What a typical year looks like in Castorland, New York: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Lowville, 11 km from Castorland; records cover 1892–2026.
The year at a glance
- Precipitation a year
- 41.8 in1062 mm
- Snow a year
- 127 in323 cm
- Last spring freeze
- May 13
- First fall freeze
- Oct 3
- Heating degree days
- 8,050
- Cooling degree days
- 320
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −16°−27° (heating, 99%) and 88°31° (cooling, 1%).
Month by month
Castorland in January
Highs average 27°−3° and lows 8°−13°, with 3.5 in88 mm of precipitation and 36 in90 cm of snow in a typical January.
- Record high
- 64°18° (1950)
- Record low
- −37°−38° (1914)
- Heating degree days
- 1478
- Cooling degree days
- 0
Castorland in February
Highs average 29°−2° and lows 9°−13°, with 2.6 in66 mm of precipitation and 30 in75 cm of snow in a typical February.
- Record high
- 66°19° (2018)
- Record low
- −36°−38° (1943)
- Heating degree days
- 1285
- Cooling degree days
- 0
Castorland in March
Highs average 38°3° and lows 19°−7°, with 2.7 in67 mm of precipitation and 16 in40 cm of snow in a typical March.
- Record high
- 81°27° (1946)
- Record low
- −25°−32° (1950)
- Heating degree days
- 1147
- Cooling degree days
- 0
Castorland in April
Highs average 52°11° and lows 32°0°, with 3.1 in79 mm of precipitation and 4 in10 cm of snow in a typical April.
- Record high
- 89°32° (1896)
- Record low
- −4°−20° (1954)
- Heating degree days
- 697
- Cooling degree days
- 1
Castorland in May
Highs average 66°19° and lows 43°6°, with 3.4 in86 mm of precipitation and 0.2 in0.5 cm of snow in a typical May.
- Record high
- 92°33° (1911)
- Record low
- 20°−7° (1903)
- Heating degree days
- 341
- Cooling degree days
- 15
Castorland in June
Highs average 74°23° and lows 53°12°, with 3.7 in94 mm of precipitation in a typical June.
- Record high
- 99°37° (1933)
- Record low
- 28°−2° (1986)
- Heating degree days
- 111
- Cooling degree days
- 61
Castorland in July
Highs average 78°26° and lows 57°14°, with 3.5 in88 mm of precipitation in a typical July.
- Record high
- 100°38° (1931)
- Record low
- 35°2° (1898)
- Heating degree days
- 33
- Cooling degree days
- 121
Castorland in August
Highs average 77°25° and lows 55°13°, with 3.8 in97 mm of precipitation in a typical August.
- Record high
- 98°37° (1944)
- Record low
- 29°−2° (1934)
- Heating degree days
- 54
- Cooling degree days
- 92
Castorland in September
Highs average 70°21° and lows 47°8°, with 3.5 in89 mm of precipitation in a typical September.
- Record high
- 95°35° (1931)
- Record low
- 22°−6° (1943)
- Heating degree days
- 219
- Cooling degree days
- 28
Castorland in OctoberThis month
Highs average 57°14° and lows 38°3°, with 4.6 in116 mm of precipitation and 0.4 in1 cm of snow in a typical October.
- Record high
- 87°31° (1927)
- Record low
- 9°−13° (1936)
- Heating degree days
- 556
- Cooling degree days
- 2
Castorland in November
Highs average 44°7° and lows 28°−2°, with 3.8 in95 mm of precipitation and 9 in24 cm of snow in a typical November.
- Record high
- 77°25° (2024)
- Record low
- −15°−26° (1933)
- Heating degree days
- 878
- Cooling degree days
- 0
Castorland in December
Highs average 33°0° and lows 17°−8°, with 3.8 in97 mm of precipitation and 32 in81 cm of snow in a typical December.
- Record high
- 67°19° (2001)
- Record low
- −40° (1942)
- Heating degree days
- 1251
- Cooling degree days
- 0