South Lansing weather by month
What a typical year looks like in South Lansing, New York: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at ITHACA CORNELL UNIV, 10 km from South Lansing; records cover 1893–2026.
The year at a glance
- Precipitation a year
- 38.3 in973 mm
- Snow a year
- 63 in160 cm
- Last spring freeze
- May 13
- First fall freeze
- Oct 5
- Heating degree days
- 7,208
- Cooling degree days
- 415
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −6°−21° (heating, 99%) and 90°32° (cooling, 1%).
Month by month
South Lansing in January
Highs average 31°−1° and lows 15°−10°, with 2.2 in57 mm of precipitation and 17 in42 cm of snow in a typical January.
- Record high
- 70°21° (1906)
- Record low
- −25°−32° (1957)
- Heating degree days
- 1308
- Cooling degree days
- 0
South Lansing in February
Highs average 33°1° and lows 15°−9°, with 2 in50 mm of precipitation and 15 in37 cm of snow in a typical February.
- Record high
- 73°23° (2017)
- Record low
- −25°−32° (1961)
- Heating degree days
- 1145
- Cooling degree days
- 0
South Lansing in March
Highs average 41°5° and lows 22°−6°, with 2.8 in71 mm of precipitation and 12 in30 cm of snow in a typical March.
- Record high
- 85°29° (1977)
- Record low
- −17°−27° (1993)
- Heating degree days
- 1045
- Cooling degree days
- 0
South Lansing in April
Highs average 55°13° and lows 33°0°, with 3.4 in86 mm of precipitation and 2.8 in7.1 cm of snow in a typical April.
- Record high
- 91°33° (2009)
- Record low
- −1°−18° (2016)
- Heating degree days
- 642
- Cooling degree days
- 3
South Lansing in May
Highs average 67°20° and lows 44°7°, with 3.2 in81 mm of precipitation in a typical May.
- Record high
- 96°36° (1911)
- Record low
- 22°−6° (1903)
- Heating degree days
- 314
- Cooling degree days
- 24
South Lansing in June
Highs average 76°24° and lows 53°12°, with 4 in101 mm of precipitation in a typical June.
- Record high
- 102°39° (1933)
- Record low
- 31°−1° (1964)
- Heating degree days
- 95
- Cooling degree days
- 81
South Lansing in July
Highs average 80°27° and lows 58°14°, with 3.9 in99 mm of precipitation in a typical July.
- Record high
- 103°39° (1936)
- Record low
- 38°3° (1963)
- Heating degree days
- 27
- Cooling degree days
- 148
South Lansing in August
Highs average 79°26° and lows 56°13°, with 3.8 in96 mm of precipitation in a typical August.
- Record high
- 101°38° (1916)
- Record low
- 32°0° (1965)
- Heating degree days
- 42
- Cooling degree days
- 116
South Lansing in September
Highs average 72°22° and lows 49°9°, with 3.8 in97 mm of precipitation in a typical September.
- Record high
- 100°38° (1931)
- Record low
- 24°−4° (1947)
- Heating degree days
- 184
- Cooling degree days
- 40
South Lansing in OctoberThis month
Highs average 59°15° and lows 39°4°, with 3.7 in94 mm of precipitation and 0.2 in0.5 cm of snow in a typical October.
- Record high
- 91°33° (1927)
- Record low
- 15°−9° (1928)
- Heating degree days
- 501
- Cooling degree days
- 3
South Lansing in November
Highs average 47°8° and lows 30°−1°, with 2.9 in75 mm of precipitation and 5 in12 cm of snow in a typical November.
- Record high
- 81°27° (1950)
- Record low
- −5°−21° (2018)
- Heating degree days
- 792
- Cooling degree days
- 0
South Lansing in December
Highs average 36°2° and lows 22°−6°, with 2.6 in65 mm of precipitation and 12 in31 cm of snow in a typical December.
- Record high
- 69°21° (1998)
- Record low
- −22°−30° (1917)
- Heating degree days
- 1113
- Cooling degree days
- 0