Lafayette
California, USA
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Lafayette, CA

December, the first month of the winter, in Lafayette, is still a cool month, with average temperature varying between 55°F (12.8°C) and 39°F (3.9°C).

Temperature

In December, the average high-temperature marginally drops, from a comfortable 63°F (17.2°C) in November, to a fresh 55°F (12.8°C). The average low-temperature, in Lafayette, California, is 39°F (3.9°C).

Rainfall

Throughout December, 2.8" (70.9mm) of precipitation is accumulated. Throughout the year, in Lafayette, 19.6" (497.4mm) of rain is accumulated.

Daylight

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

What is the temperature in December in Lafayette?

In December, in Lafayette, the average high-temperature is 55°F (12.8°C), and the average low-temperature is 39°F (3.9°C).

How much does it rain in Lafayette in December?

Throughout December, in Lafayette, California, 2.8" (70.9mm) of precipitation is accumulated.

What is the month with the shortest days in Lafayette?

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

How many hours of daylight does Lafayette have in December?

In Lafayette, California, the average length of the day in December is 9.6h.
Average temperature in December - Lafayette, CA
  • Average high temperature in December: 55°F

Warmest months (with the highest average high temperature) are July and August (87°F).
The month with the lowest average high temperature is January (54°F).

  • Average low temperature in December: 39°F

Months with the highest average low temperature are July and August (55°F).
Coldest months (with the lowest average low temperature) are January and December (39°F).

Average rainfall in December - Lafayette, CA
  • Average rainfall in December: 2.8"

The wettest month (with the highest rainfall) is January (4.3").
The driest month (with the lowest rainfall) is July (0").

Average daylight in December - Lafayette, CA
  • Average daylight in December: 9.6h

The month with the longest days is June (Average daylight: 14.8h).
The month with shortest days is December (Average daylight: 9.6h).