Seaside Weather in December

Thinking of visiting Seaside in December? Expect moderate temperatures reaching 15°C (59°F) during the day, dropping to 6°C (43°F) at night, and be prepared for the wettest month of the year.

Rainfall in Seaside in December

Since this month has the highest rainfall, keep an umbrella with you to handle sudden showers. Historically, approximately 11 days this month are expected to have rain, averaging 76 mm (3 in). Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Seaside in December

In December, Seaside gets moderate temperatures, with highs of 15°C (59°F). Nights cool to around 6°C (43°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. At 6°C (43°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions. This period usually represents the year's more moderate temperatures, but it's far from being chilly.

December in Seaside 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.