Clearlake Weather in December

During December, Clearlake experiences moderate daytime temperatures of 13°C (55°F) and cooler nights around 2°C (36°F). As the wettest month of the year, and part of the winter season, expect frequent rainfall.

Rainfall in Clearlake in December

It's the month with the heaviest rainfall, so an umbrella is a must to navigate the wet weather. Rain is expected on roughly 13 days, totalling around 130 mm (5.1 in) for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Clearlake in December

December in Clearlake brings typical temperatures with highs around 13°C (55°F) and lows of 2°C (36°F). December is part of the winter season. The difference between afternoon and evening temperatures is usually noticeable. Nights drop to 2°C (36°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet. During this period, the city experiences its coolest temperatures annually.

Sunshine in Clearlake in December

The area experiences a moderate amount of sunshine, with approximately 160 hours of sunlight expected. This means a decent mix of sun and overcast.

December in Clearlake has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.