Rensselaer weather by month
What a typical year looks like in Rensselaer, New York: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Albany International Airport, 13 km from Rensselaer; records cover 1874–2026.
The year at a glance
- Precipitation a year
- 40.7 in1033 mm
- Snow a year
- 59 in150 cm
- Last spring freeze
- Apr 29
- First fall freeze
- Oct 12
- Heating degree days
- 6,357
- Cooling degree days
- 719
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −3°−19° (heating, 99%) and 92°33° (cooling, 1%).
Month by month
Rensselaer in January
Highs average 33°0° and lows 16°−9°, with 2.6 in66 mm of precipitation and 16 in40 cm of snow in a typical January.
- Record high
- 71°22° (1932)
- Record low
- −28°−33° (1971)
- Heating degree days
- 1260
- Cooling degree days
- 0
Rensselaer in February
Highs average 36°2° and lows 18°−8°, with 2.3 in58 mm of precipitation and 14 in35 cm of snow in a typical February.
- Record high
- 74°23° (2017)
- Record low
- −22°−30° (1943)
- Heating degree days
- 1070
- Cooling degree days
- 0
Rensselaer in March
Highs average 45°7° and lows 26°−3°, with 3.1 in78 mm of precipitation and 12 in30 cm of snow in a typical March.
- Record high
- 89°32° (1998)
- Record low
- −21°−29° (1948)
- Heating degree days
- 908
- Cooling degree days
- 0
Rensselaer in April
Highs average 59°15° and lows 37°3°, with 3.1 in79 mm of precipitation and 1.6 in4.1 cm of snow in a typical April.
- Record high
- 93°34° (1941)
- Record low
- 9°−13° (1923)
- Heating degree days
- 514
- Cooling degree days
- 5
Rensselaer in May
Highs average 71°22° and lows 48°9°, with 3.4 in87 mm of precipitation and 0.1 in0.3 cm of snow in a typical May.
- Record high
- 97°36° (1911)
- Record low
- 26°−3° (1968)
- Heating degree days
- 204
- Cooling degree days
- 38
Rensselaer in June
Highs average 79°26° and lows 57°14°, with 4.1 in103 mm of precipitation in a typical June.
- Record high
- 100°38° (1933)
- Record low
- 35°2° (1945)
- Heating degree days
- 37
- Cooling degree days
- 139
Rensselaer in July
Highs average 84°29° and lows 62°17°, with 4.6 in116 mm of precipitation in a typical July.
- Record high
- 104°40° (1911)
- Record low
- 40°4° (1978)
- Heating degree days
- 3
- Cooling degree days
- 255
Rensselaer in August
Highs average 82°28° and lows 61°16°, with 3.8 in96 mm of precipitation in a typical August.
- Record high
- 102°39° (1918)
- Record low
- 34°1° (1982)
- Heating degree days
- 10
- Cooling degree days
- 207
Rensselaer in September
Highs average 74°24° and lows 53°11°, with 3.7 in95 mm of precipitation in a typical September.
- Record high
- 100°38° (1953)
- Record low
- 24°−4° (1947)
- Heating degree days
- 115
- Cooling degree days
- 70
Rensselaer in OctoberThis month
Highs average 62°16° and lows 41°5°, with 3.9 in98 mm of precipitation and 0.3 in0.8 cm of snow in a typical October.
- Record high
- 91°33° (1941)
- Record low
- 16°−9° (1969)
- Heating degree days
- 428
- Cooling degree days
- 5
Rensselaer in November
Highs average 49°10° and lows 32°0°, with 3 in76 mm of precipitation and 2.6 in6.6 cm of snow in a typical November.
- Record high
- 82°28° (1950)
- Record low
- −11°−24° (1938)
- Heating degree days
- 737
- Cooling degree days
- 0
Rensselaer in December
Highs average 38°3° and lows 23°−5°, with 3.3 in83 mm of precipitation and 13 in34 cm of snow in a typical December.
- Record high
- 72°22° (2015)
- Record low
- −22°−30° (1969)
- Heating degree days
- 1071
- Cooling degree days
- 0