Olympic Valley
California, USA
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Olympic Valley, CA

December, the first month of the winter, in Olympic Valley, is also a wintry month, with average temperature varying between 15.8°F (-9°C) and 37.4°F (3°C).

Temperature

January and December, with an average high-temperature of 37.4°F (3°C), are the coldest months.

Rainfall

In Olympic Valley, in December, during 9 rainfall days, 6.8" (173mm) of precipitation is typically accumulated. Throughout the year, there are 59 rainfall days, and 47.8" (1214mm) of precipitation is accumulated.

Daylight

The month with the shortest days is December, with an average of 9.5h of daylight.

What are the coldest months in Olympic Valley?

The coldest months are January and December, with an average high-temperature of 37.4°F (3°C).

What is the temperature in December in Olympic Valley?

The average high-temperature, in December, in Olympic Valley, is 37.4°F (3°C), while the average low-temperature is 15.8°F (-9°C).

How many days does it rain in December in Olympic Valley?

In Olympic Valley, California, during December, the rain falls for 9 days and regularly aggregates up to 6.8" (173mm) of precipitation.

What is the month with the shortest days in Olympic Valley?

With an average of 9.5h of daylight, December has the shortest days of the year in Olympic Valley.

How many hours of daylight does Olympic Valley have in December?

In December, the average length of the day is 9.5h.
Average temperature in December - Olympic Valley, CA
  • Average high temperature in December: 37.4°F

Warmest months (with the highest average high temperature) are July and August (75.2°F).
Months with the lowest average high temperature are January and December (37.4°F).

  • Average low temperature in December: 15.8°F

The month with the highest average low temperature is July (44.6°F).
Coldest months (with the lowest average low temperature) are January and December (15.8°F).

Average rainfall in December - Olympic Valley, CA
  • Average rainfall in December: 6.8"

The wettest month (with the highest rainfall) is January (10.1").
The driest month (with the lowest rainfall) is August (0.3").

Average rainfall days in December - Olympic Valley, CA
  • Average rainfall days in December: 9 days

The month with the highest number of rainy days is January (10 days).
Months with the lowest number of rainy days are August and October (1 days).

Average daylight in December - Olympic Valley, 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).