Onalaska Weather in December

During December, Onalaska experiences very low daytime temperatures of -1°C (30°F) and cooler nights around -9°C (16°F). As part of the winter season, some snowfall is to be expected.

Rainfall in Onalaska in December

Records from the past 30 years suggest around 12 days of snow, with 59 mm (2.3 in) average for the month. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in Onalaska in December

December in Onalaska brings very low temperatures, with highs of -1°C (30°F) and nights around -9°C (16°F). December is typically considered a winter month. Cold conditions tend to persist from morning through evening, so be prepared for winter weather. With overnight lows of -9°C (16°F), temperatures fall below freezing at night. An extra thick blanket can make a real difference if your accommodation runs cold. This month is known for its biting cold, so make sure to dress warmly. Proper preparation can help you stay cozy.

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