Hillside weather by month
What a typical year looks like in Hillside, New York: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Mohonk Lake, 19 km from Hillside; records cover 1896–2026.
The year at a glance
- Precipitation a year
- 52.6 in1337 mm
- Snow a year
- 59 in150 cm
- Last spring freeze
- Apr 20
- First fall freeze
- Oct 27
- Heating degree days
- 6,038
- Cooling degree days
- 736
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 1°−17° (heating, 99%) and 92°33° (cooling, 1%).
Month by month
Hillside in January
Highs average 34°1° and lows 19°−7°, with 3.8 in97 mm of precipitation and 15 in37 cm of snow in a typical January.
- Record high
- 65°18° (1932)
- Record low
- −19°−28° (1957)
- Heating degree days
- 1200
- Cooling degree days
- 0
Hillside in February
Highs average 37°3° and lows 21°−6°, with 3.2 in81 mm of precipitation and 15 in37 cm of snow in a typical February.
- Record high
- 74°23° (2018)
- Record low
- −20°−29° (1934)
- Heating degree days
- 1014
- Cooling degree days
- 0
Hillside in March
Highs average 46°8° and lows 28°−2°, with 4.3 in108 mm of precipitation and 12 in31 cm of snow in a typical March.
- Record high
- 84°29° (1998)
- Record low
- −8°−22° (1912)
- Heating degree days
- 879
- Cooling degree days
- 0
Hillside in April
Highs average 60°15° and lows 39°4°, with 4 in101 mm of precipitation and 1.8 in4.6 cm of snow in a typical April.
- Record high
- 91°33° (1976)
- Record low
- 1°−17° (1965)
- Heating degree days
- 482
- Cooling degree days
- 8
Hillside in May
Highs average 71°21° and lows 50°10°, with 4 in103 mm of precipitation in a typical May.
- Record high
- 94°34° (2010)
- Record low
- 23°−5° (1907)
- Heating degree days
- 196
- Cooling degree days
- 43
Hillside in June
Highs average 78°26° and lows 59°15°, with 4.8 in123 mm of precipitation in a typical June.
- Record high
- 96°36° (2005)
- Record low
- 33°1° (1920)
- Heating degree days
- 38
- Cooling degree days
- 143
Hillside in July
Highs average 83°28° and lows 64°18°, with 4.7 in120 mm of precipitation in a typical July.
- Record high
- 100°38° (2010)
- Record low
- 37°3° (1920)
- Heating degree days
- 3
- Cooling degree days
- 255
Hillside in August
Highs average 80°27° and lows 63°17°, with 4.8 in122 mm of precipitation in a typical August.
- Record high
- 101°38° (2001)
- Record low
- 39°4° (1920)
- Heating degree days
- 9
- Cooling degree days
- 208
Hillside in September
Highs average 73°23° and lows 56°13°, with 5.2 in132 mm of precipitation in a typical September.
- Record high
- 95°35° (1953)
- Record low
- 28°−2° (1928)
- Heating degree days
- 102
- Cooling degree days
- 73
Hillside in OctoberThis month
Highs average 61°16° and lows 45°7°, with 5.2 in133 mm of precipitation and 0.1 in0.3 cm of snow in a typical October.
- Record high
- 85°29° (1941)
- Record low
- 19°−7° (1925)
- Heating degree days
- 384
- Cooling degree days
- 6
Hillside in November
Highs average 49°9° and lows 35°2°, with 3.8 in97 mm of precipitation and 2.8 in7.1 cm of snow in a typical November.
- Record high
- 78°26° (1950)
- Record low
- 3°−16° (1932)
- Heating degree days
- 700
- Cooling degree days
- 0
Hillside in December
Highs average 38°3° and lows 26°−4°, with 4.8 in121 mm of precipitation and 13 in33 cm of snow in a typical December.
- Record high
- 68°20° (1900)
- Record low
- −24°−31° (1917)
- Heating degree days
- 1031
- Cooling degree days
- 0