Ilwaco Weather in December

Ilwaco in December averages 9°C (48°F) during the day and 3°C (37°F) at night. December is part of the rainy season, and falls within the winter season, so frequent rainfall is typical.

Rainfall in Ilwaco in December

Ilwaco is in the rainy season in December, with rain on around 24 days and an average of 291 mm (11 in). Rain during the rainy season is significant rather than just light drizzle. Expect proper showers on most rainy days.

Temperature in Ilwaco in December

Daytime temperatures in Ilwaco reach 9°C (48°F) in December, dropping to 3°C (37°F) at night. December marks the winter season. Even at the warmest part of the day, temperatures stay low. Dressing warmly from the start is the sensible approach. At 3°C (37°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions. This is usually the coldest month of the year, so be sure to prepare with plenty of winter gear.

Sunshine in Ilwaco in December

The month has fewer sunny days, with around 62 hours of sunshine.

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