Palo Alto
California, USA
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Palo Alto, CA

A beautiful view of palm trees and the iconic Hoover Tower within Stanford University in Palo Alto, California, a cool and sunny day with cloudy skies
A beautiful view of palm trees and the iconic Hoover Tower within Stanford University in Palo Alto, California, a cool and sunny day with cloudy skies
The first month of the winter, December, is also a moderate month in Palo Alto, California, with average temperature varying between 58.3°F (14.6°C) and 37.9°F (3.3°C).

Temperature

December is the coldest month, with an average high-temperature of 58.3°F (14.6°C) and an average low-temperature of 37.9°F (3.3°C).

Rainfall

In Palo Alto, 2.9" (74.9mm) of precipitation is typically accumulated. During the entire year, Palo Alto aggregates up to 16.3" (413mm) of precipitation.

Daylight

December has the shortest days of the year in Palo Alto, with an average of 9.6h of daylight.

What is the coldest month in Palo Alto?

December is the coldest month in Palo Alto, California, with an average high-temperature of 58.3°F (14.6°C) and an average low-temperature of 37.9°F (3.3°C).

What is the temperature in December in Palo Alto?

In December, in Palo Alto, the average high-temperature is 58.3°F (14.6°C), and the average low-temperature is 37.9°F (3.3°C).

How much does it rain in Palo Alto in December?

In Palo Alto, in December, 2.9" (74.9mm) of precipitation is typically accumulated.

What is the month with the shortest days in Palo Alto?

December has the shortest days of the year, with an average of 9.6h of daylight.

What is the average length of the day in December in Palo Alto?

In Palo Alto, the average length of the day in December is 9.6h.
Average temperature in December - Palo Alto, CA
  • Average high temperature in December: 58.3°F

The warmest month (with the highest average high temperature) is July (79.6°F).
The month with the lowest average high temperature is December (58.3°F).

  • Average low temperature in December: 38°F

The month with the highest average low temperature is July (55.1°F).
The coldest month (with the lowest average low temperature) is December (38°F).

Average rainfall in December - Palo Alto, CA
  • Average rainfall in December: 3"

The wettest month (with the highest rainfall) is February (3.3").
Driest months (with the lowest rainfall) are July and August (0").

Average daylight in December - Palo Alto, CA
  • Average daylight in December: 9.6h

The month with the longest days is June (Average daylight: 14.7h).
The month with shortest days is December (Average daylight: 9.6h).