Corvallis Weather in December

December in Corvallis sees daytime temperatures around 8°C (46°F) and lows of 1°C (34°F) at night. As the wettest month of the year, keep in mind that rainfall is at its highest.

Rainfall in Corvallis in December

During this month, the rain comes down heavily. A poncho is essential for staying dry. The climate data from previous years indicates about 21 days of rain, averaging 188 mm (7.4 in) for the month. Rain falls regularly this month and can be quite heavy when it does. Showers can be substantial, so waterproof gear is a good idea.

Temperature in Corvallis in December

Daytime highs in Corvallis in December reach 8°C (46°F), with nights around 1°C (34°F). December is typically considered a winter month. Temperatures remain on the cold side all day. A proper warm jacket is worth having, not just for evenings. With lows around 1°C (34°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep. It is the coldest month of the year, so be sure to pack proper winter clothing for the conditions.Pack accordingly with warm clothes.

Sunshine in Corvallis in December

This month is characterized by fewer sunny days, with about 76 hours of sunshine. It's great for those who appreciate cooler, less sunny days.

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