Palo Alto Weather in December

Palo Alto in December averages 15°C (59°F) during the day and 5°C (41°F) at night. This is the wettest month of the year, and part of the winter season.

Rainfall in Palo Alto in December

During the wettest month of the year, an umbrella can be your best friend to stay dry. Rain is expected on roughly 12 days, totalling around 83 mm (3.3 in) for the month. A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.

Temperature in Palo Alto in December

In December, Palo Alto sees moderate temperatures, with highs of 15°C (59°F). Nights drop to around 5°C (41°F). The winter season takes place during December. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. Nights drop to 5°C (41°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet. Experience the year's most moderate temperatures in December.

Sunshine in Palo Alto in December

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

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