Olean Weather in December

Olean in December sees low temperatures, with highs around 3°C (37°F) and overnight lows of -5°C (23°F). Snow/rainfall is fairly high at around 97 mm (3.8 in) on average, so pack waterproofs just in case.

Rainfall in Olean in December

The climate data from previous years indicates about 19 days of snow/rain, averaging 97 mm (3.8 in) for the month. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in Olean in December

December in Olean brings typical temperatures with highs around 3°C (37°F) and lows of -5°C (23°F). This month falls in the winter season. Expect a distinctly cold feel throughout the day, not just overnight. With lows of -5°C (23°F), nights are freezing. Packing a spare blanket is worth considering if you're staying somewhere that might not be fully heated. It's a frigid month, so wearing warm clothing is crucial. Don't underestimate the cold; prepare accordingly.

If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit Olean. Our weather planner can help you explore destinations with more pleasant weather conditions.