Hammond weather by month
What a typical year looks like in Hammond, New York: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Gouverneur 3 NW, 18 km from Hammond; records cover 1937–2026.
The year at a glance
- Precipitation a year
- 39.6 in1005 mm
- Snow a year
- 92 in235 cm
- Last spring freeze
- May 18
- First fall freeze
- Sep 26
- Heating degree days
- 8,155
- Cooling degree days
- 342
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −23°−31° (heating, 99%) and 89°32° (cooling, 1%).
Month by month
Hammond in January
Highs average 27°−3° and lows 5°−15°, with 2.8 in70 mm of precipitation and 24 in60 cm of snow in a typical January.
- Record high
- 65°18° (1995)
- Record low
- −45°−43° (1981)
- Heating degree days
- 1525
- Cooling degree days
- 0
Hammond in February
Highs average 29°−2° and lows 6°−15°, with 2.1 in54 mm of precipitation and 23 in58 cm of snow in a typical February.
- Record high
- 67°19° (2024)
- Record low
- −40° (2016)
- Heating degree days
- 1330
- Cooling degree days
- 0
Hammond in March
Highs average 39°4° and lows 17°−8°, with 2.3 in58 mm of precipitation and 15 in38 cm of snow in a typical March.
- Record high
- 81°27° (1945)
- Record low
- −29°−34° (1938)
- Heating degree days
- 1155
- Cooling degree days
- 0
Hammond in April
Highs average 53°12° and lows 31°0°, with 3.2 in80 mm of precipitation and 4 in11 cm of snow in a typical April.
- Record high
- 87°31° (1990)
- Record low
- −2°−19° (1954)
- Heating degree days
- 685
- Cooling degree days
- 1
Hammond in May
Highs average 66°19° and lows 42°6°, with 3.3 in83 mm of precipitation and 0.1 in0.3 cm of snow in a typical May.
- Record high
- 90°32° (1975)
- Record low
- 20°−7° (1974)
- Heating degree days
- 351
- Cooling degree days
- 12
Hammond in June
Highs average 75°24° and lows 53°11°, with 3.9 in99 mm of precipitation in a typical June.
- Record high
- 96°36° (1994)
- Record low
- 29°−2° (1965)
- Heating degree days
- 104
- Cooling degree days
- 64
Hammond in July
Highs average 79°26° and lows 57°14°, with 3.8 in96 mm of precipitation in a typical July.
- Record high
- 97°36° (1941)
- Record low
- 36°2° (1992)
- Heating degree days
- 29
- Cooling degree days
- 130
Hammond in August
Highs average 78°26° and lows 55°13°, with 3.4 in85 mm of precipitation in a typical August.
- Record high
- 98°37° (1944)
- Record low
- 30°−1° (1957)
- Heating degree days
- 49
- Cooling degree days
- 101
Hammond in September
Highs average 71°22° and lows 47°8°, with 3.8 in96 mm of precipitation in a typical September.
- Record high
- 94°34° (1999)
- Record low
- 22°−6° (1943)
- Heating degree days
- 217
- Cooling degree days
- 32
Hammond in OctoberThis month
Highs average 58°14° and lows 36°2°, with 4.7 in118 mm of precipitation and 0.8 in2 cm of snow in a typical October.
- Record high
- 87°31° (2023)
- Record low
- 13°−11° (1940)
- Heating degree days
- 560
- Cooling degree days
- 2
Hammond in November
Highs average 45°7° and lows 27°−3°, with 3.6 in91 mm of precipitation and 7 in18 cm of snow in a typical November.
- Record high
- 78°26° (1975)
- Record low
- −12°−24° (1949)
- Heating degree days
- 873
- Cooling degree days
- 0
Hammond in December
Highs average 33°0° and lows 15°−9°, with 3 in75 mm of precipitation and 18 in46 cm of snow in a typical December.
- Record high
- 70°21° (2001)
- Record low
- −43°−42° (1942)
- Heating degree days
- 1277
- Cooling degree days
- 0