Thousand Oaks Weather in December

In Thousand Oaks, December brings moderate daytime temperatures around 18°C (64°F), with nights cooling to 8°C (46°F). It is the wettest month of the year, so expect more rainfall than usual.

Rainfall in Thousand Oaks in December

It's the month with the heaviest rainfall, so an umbrella is a must to navigate the wet weather. Typically, you can expect about 7 days of rain this month, with 68 mm (2.7 in) on average. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Thousand Oaks in December

Expect highs of 18°C (64°F) in Thousand Oaks in December, with nights dropping to around 8°C (46°F). This month falls in the winter season. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights fall to 8°C (46°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep. Typically, this month presents some of the milder temperatures of the year, yet it remains pleasantly warm.

Sunshine in Thousand Oaks in December

The month enjoys around 220 hours of sunshine, creating mostly sunny days with good weather conditions.

If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit Thousand Oaks. Our weather planner can help you explore destinations with more pleasant weather conditions.