Mountain View Weather in December

December in Mountain View averages 15°C (59°F) during the day and 5°C (41°F) at night. It is the wettest month of the year, with 74 mm (2.9 in) of rainfall on average, so waterproof gear is a must.

Rainfall in Mountain View in December

With this being the wettest month, keeping an umbrella on hand might save you from getting wet from a sudden shower. This month experiences about 11 days of rain according to historical data, averaging 74 mm (2.9 in). A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.

Temperature in Mountain View in December

Expect highs of 15°C (59°F) in Mountain View in December, with nights dropping to around 5°C (41°F). December is typically considered a winter month. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. With lows around 5°C (41°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep. December has the coolest temperatures of the year, but still offering mild weather.

Sunshine in Mountain View in December

The area enjoys a balanced 160 hours of sunlight, ensuring it's neither too overcast nor too sunny.

December in Mountain View 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.