Eureka Weather in December

During December, Eureka experiences low daytime temperatures of 7°C (45°F) and cooler nights around -3°C (27°F). As part of the winter season, expect quite a bit of snow/rainfall. Around 93 mm (3.7 in) is typical.

Rainfall in Eureka in December

Historically, the month has about 10 days of snow/rain, averaging 93 mm (3.7 in) in total. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Eureka in December

December in Eureka sees highs of 7°C (45°F) and lows of -3°C (27°F) overnight. During December, you'll experience the winter season. It stays cool throughout the day, so warm layers are a good idea from morning to evening. Nights are well below freezing at -3°C (27°F). An extra blanket is a good idea if you feel the cold, especially in older or less well-heated accommodation.

Sunshine in Eureka in December

The area experiences a moderate amount of sunshine, with approximately 128 hours of sunlight expected. This means a decent mix of sun and overcast.

December in Eureka 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.