Hemlock weather by month
What a typical year looks like in Hemlock, New York: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Avon, 19 km from Hemlock; records cover 1895–2026.
The year at a glance
- Precipitation a year
- 33.6 in853 mm
- Snow a year
- 52 in131 cm
- Last spring freeze
- May 4
- First fall freeze
- Oct 12
- Heating degree days
- 6,744
- Cooling degree days
- 539
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −4°−20° (heating, 99%) and 91°33° (cooling, 1%).
Month by month
Hemlock in January
Highs average 32°0° and lows 16°−9°, with 2 in51 mm of precipitation and 13 in34 cm of snow in a typical January.
- Record high
- 68°20° (1906)
- Record low
- −25°−32° (1904)
- Heating degree days
- 1258
- Cooling degree days
- 0
Hemlock in February
Highs average 34°1° and lows 17°−8°, with 1.7 in42 mm of precipitation and 12 in31 cm of snow in a typical February.
- Record high
- 72°22° (1997)
- Record low
- −30°−34° (1934)
- Heating degree days
- 1107
- Cooling degree days
- 0
Hemlock in March
Highs average 43°6° and lows 24°−5°, with 2.5 in63 mm of precipitation and 11 in27 cm of snow in a typical March.
- Record high
- 84°29° (1945)
- Record low
- −12°−24° (2015)
- Heating degree days
- 989
- Cooling degree days
- 0
Hemlock in April
Highs average 56°13° and lows 34°1°, with 2.8 in71 mm of precipitation and 1.3 in3.3 cm of snow in a typical April.
- Record high
- 91°33° (1990)
- Record low
- 4°−16° (1923)
- Heating degree days
- 604
- Cooling degree days
- 2
Hemlock in May
Highs average 69°21° and lows 46°8°, with 3 in76 mm of precipitation in a typical May.
- Record high
- 95°35° (1900)
- Record low
- 10°−12° (1936)
- Heating degree days
- 272
- Cooling degree days
- 33
Hemlock in June
Highs average 77°25° and lows 56°13°, with 3.5 in88 mm of precipitation in a typical June.
- Record high
- 100°38° (1934)
- Record low
- 33°1° (1897)
- Heating degree days
- 65
- Cooling degree days
- 110
Hemlock in July
Highs average 82°28° and lows 60°16°, with 3.7 in93 mm of precipitation in a typical July.
- Record high
- 103°39° (1911)
- Record low
- 37°3° (1898)
- Heating degree days
- 13
- Cooling degree days
- 190
Hemlock in August
Highs average 80°27° and lows 58°14°, with 3.4 in87 mm of precipitation in a typical August.
- Record high
- 99°37° (1918)
- Record low
- 36°2° (1913)
- Heating degree days
- 24
- Cooling degree days
- 145
Hemlock in September
Highs average 73°23° and lows 51°10°, with 3.2 in80 mm of precipitation in a typical September.
- Record high
- 98°37° (1922)
- Record low
- 25°−4° (1947)
- Heating degree days
- 142
- Cooling degree days
- 54
Hemlock in OctoberThis month
Highs average 61°16° and lows 41°5°, with 3.2 in82 mm of precipitation in a typical October.
- Record high
- 90°32° (1919)
- Record low
- 14°−10° (1904)
- Heating degree days
- 447
- Cooling degree days
- 5
Hemlock in November
Highs average 48°9° and lows 32°0°, with 2.5 in62 mm of precipitation and 5 in12 cm of snow in a typical November.
- Record high
- 79°26° (2024)
- Record low
- −2°−19° (1938)
- Heating degree days
- 752
- Cooling degree days
- 0
Hemlock in December
Highs average 38°3° and lows 23°−5°, with 2.2 in57 mm of precipitation and 9 in24 cm of snow in a typical December.
- Record high
- 71°22° (1982)
- Record low
- −20°−29° (1942)
- Heating degree days
- 1071
- Cooling degree days
- 0