Buffalo, New York weather in January

Averages from 2021–2025 (155 days of record).

Average high: 33°F
Average low: 22°F
Rainy days: ~14 per month
Total precipitation: 3.4 in
Warmest recorded: 49°F
Coldest recorded: 0°F

Expect January days in Buffalo, New York to top out around 33°F and cool to about 22°F overnight, with roughly 14 days of measurable rain across the month. In recent years January has ranged from 0°F to 49°F.

Other months

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Current Buffalo, New York forecast → · Historical data by Open-Meteo (ERA5).