December weather forecast
Golden Hills, CA

Weather in December

The first month of the winter, December, is still a cool month in Golden Hills, California, with average temperature varying between 50.5°F (10.3°C) and 34°F (1.1°C).

Temperature

The coldest month is December, with an average high-temperature of 50.5°F (10.3°C) and an average low-temperature of 34°F (1.1°C).

Humidity

Months with the highest humidity are February and December, with an average relative humidity of 58%.

Rainfall

The month with the most rainfall is December when the rain falls for 6.5 days and typically aggregates up to 1.5" (38mm) of precipitation.

Snowfall

January through May, November and December are months with snowfall. December is the month with the most snowfall. Snow falls for 2.8 days and accumulates 5.16" (131mm) of snow.

Daylight

December has the shortest days of the year in Golden Hills, with an average of 9.8h of daylight.

Sunshine

The average sunshine in Golden Hills, California, is 6.7h.

UV index

November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from the exposure to the Sun's UV rays for average individuals.
Note: In December, the average maximum UV index of 2 translate into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the coldest month in Golden Hills?

December is the coldest month in Golden Hills, with an average high-temperature of 50.5°F (10.3°C) and an average low-temperature of 34°F (1.1°C).

What is the most humid month in Golden Hills?

Months with the highest humidity in Golden Hills are February and December, with an average relative humidity of 58%.

What is the average humidity in December in Golden Hills?

In December, the average relative humidity in Golden Hills is 58%.

What is the rainiest month in Golden Hills?

December is the month with the most rainfall in Golden Hills, California. Rain falls for 6.5 days and accumulates 1.5" (38mm) of precipitation.

How much does it rain in Golden Hills in December?

In Golden Hills, during December, the rain falls for 6.5 days and regularly aggregates up to 1.5" (38mm) of precipitation.

What is the snowiest month in Golden Hills?

The month with the most snowfall in Golden Hills is December when snow falls for 2.8 days and typically aggregates up to 5.16" (131mm) of snow.

How much does it snow in Golden Hills in December?

In Golden Hills, California, in December, snow falls for 2.8 days, with typically accumulated 5.16" (131mm) of snow.

What is the month with the shortest days in Golden Hills?

The month with the shortest days in Golden Hills is December, with an average of 9.8h of daylight.

How many hours of daylight does Golden Hills have in December?

In December, the average length of the day in Golden Hills is 9.8h.

How many hours of sunshine does Golden Hills have in December?

In Golden Hills, California, the average sunshine in December is 6.7h.

When is the lowest UV index in Golden Hills?

November and December, with an average maximum UV index of 2, are months with the lowest UV index in Golden Hills, California.

What is the UV index reading in December in Golden Hills?

The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health threat from unprotected exposure to the UV radiation.

Average temperature in December
Golden Hills, CA

Average temperature in December - Golden Hills, CA
  • Average high temperature in December: 50.5°F

The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is December (50.5°F).

  • Average low temperature in December: 34°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is December (34°F).

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Average pressure in December
Golden Hills, CA

Average pressure in December - Golden Hills, CA
  • Average pressure in December: 30.09"

The month with the highest atmospheric pressure is January (30.12").
The month with the lowest atmospheric pressure is June (29.86").

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Average wind speed in December
Golden Hills, CA

Average wind speed in December - Golden Hills, CA
  • Average wind speed in December: 7.3mph

The windiest month (with the highest average wind speed) is May (9.4mph).
The calmest month (with the lowest average wind speed) is September (7mph).

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Average humidity in December
Golden Hills, CA

Average humidity in December - Golden Hills, CA
  • Average humidity in December: 58%

Months with the highest relative humidity are February and December (58%).
The month with the lowest relative humidity is August (28%).

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Average rainfall in December
Golden Hills, CA

Average rainfall in December - Golden Hills, CA
  • Average rainfall in December: 1.5"

The wettest month (with the highest rainfall) is December (1.5").
The driest month (with the least rainfall) is September (0.12").

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Average rainfall days in December
Golden Hills, CA

Average rainfall days in December - Golden Hills, CA
  • Average rainfall days in December: 6.5 days

The month with the highest number of rainy days is March (7.5 days).
The month with the least rainy days is September (1.6 days).

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Average snowfall in December
Golden Hills, CA

Average snowfall in December - Golden Hills, CA
  • Average snowfall in December: 5.16"

The month with the highest snowfall is December (5.16").
Months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in December
Golden Hills, CA

Average snowfall days in December - Golden Hills, CA
  • Average snowfall days in December: 2.8 days

The month with the highest number of snowfall days is February (3.8 days).
Months with the least snowfall days are June, July, August, September and October (0 days).

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Average daylight in December /
Average sunshine in December
Golden Hills, CA

Average daylight in December / Average sunshine in December - Golden Hills, CA
  • Average daylight in December: 9.8h

The month with the longest days is June (Average daylight: 14.5h).
The month with the shortest days is December (Average daylight: 9.8h).

  • Average sunshine in December: 6.7h

The month with the most sunshine is July (Average sunshine: 12.1h).
The month with the least sunshine is January (Average sunshine: 6.5h).

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Average sunshine days in December
Golden Hills, CA

Average sunshine days in December - Golden Hills, CA
  • Average sunshine days in December: 23 days

The month with the most sunshine days is October (28 days).
The month with the least sunshine days is February (20.4 days).

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Average UV index in December
Golden Hills, CA

Average UV index in December - Golden Hills, CA
  • Average UV index in December: 2

The month with the highest UV index is July (UV index 7).
Months with the lowest UV index are November and December (UV index 2).

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Average cloud cover in December
Golden Hills, CA

Average cloud cover in December - Golden Hills, CA
  • Average cloud cover in December: 27

The month with the most cloud cover is March (Cloud cover 29).
The month with the least cloud cover is August (Cloud cover 5).

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Average visibility in December
Golden Hills, CA

Average visibility in December - Golden Hills, CA
  • Average visibility in December: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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