Forest Grove Weather in December

In Forest Grove, December brings low daytime temperatures around 7°C (45°F), with nights cooling to 1°C (34°F). It is the wettest month of the year, so expect more rainfall than usual.

Rainfall in Forest Grove in December

This month experiences the most intense rain of the year, with heavy showers. Be prepared with a poncho to stay dry. Expect around 21 days of rain based on historical data, with 216 mm (8.5 in) average. 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 Forest Grove in December

December in Forest Grove brings typical temperatures with highs around 7°C (45°F) and lows of 1°C (34°F). This month falls in the winter season. It stays cool throughout the day, so warm layers are a good idea from morning to evening. At 1°C (34°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions. It's generally the coldest month of the year, making it essential to pack warm layers and winter accessories.

Sunshine in Forest Grove in December

The month is characterized by fewer sunny days, with roughly 64 hours hours of sunshine. Ideal for those who prefer a cooler, cloudier climate.

December in Forest Grove can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.