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

December weather forecast and climate
Alta, CA

December, the first month of the winter, in Alta, is also a fresh month, with average temperature varying between 53.1°F (11.7°C) and 39°F (3.9°C).

Temperature

The coldest months are January and December, with an average high-temperature of 53.1°F (11.7°C).

Rainfall

During December, Alta regularly aggregates up to 3" (77mm) of precipitation. Throughout the year, in Alta, 22" (559.5mm) of rain is accumulated.

Daylight

December has the shortest days of the year, with an average of 9.5h of daylight.

What is the coldest month in Alta?

The coldest months are January and December, with an average high-temperature of 53.1°F (11.7°C).

What is the temperature in December in Alta?

In Alta, in December, the average high-temperature is 53.1°F (11.7°C), and the average low-temperature is 39°F (3.9°C).

How much does it rain in Alta in December?

In Alta, in December, 3" (77mm) of precipitation is typically accumulated.

What is the month with the shortest days in Alta?

December has the shortest days of the year in Alta, with an average of 9.5h of daylight.

What is the average length of the day in December in Alta?

The average length of the day in December in Alta is 9.5h.
Average temperature in December - Alta, CA
  • Average high temperature in December: 53°F

The warmest month (with the highest average high temperature) is July (94°F).
Months with the lowest average high temperature are January and December (53°F).

  • Average low temperature in December: 39°F

The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (38°F).

Average rainfall in December - Alta, CA
  • Average rainfall in December: 3"

The wettest month (with the highest rainfall) is January (4.1").
Driest months (with the lowest rainfall) are July and August (0.1").

Average daylight in December - Alta, CA
  • Average daylight in December: 9.5h

The month with the longest days is June (Average daylight: 14.9h).
The month with shortest days is December (Average daylight: 9.5h).