December weather forecast and climate
Shelter Cove, CA

Weather in December

The first month of the winter, December, is still a cool month in Shelter Cove, California, with average temperature fluctuating between 43.9°F (6.6°C) and 53.4°F (11.9°C).

Temperature

The coldest month is December, with an average high-temperature of 53.4°F (11.9°C) and an average low-temperature of 43.9°F (6.6°C).

Humidity

In Shelter Cove, the average relative humidity in December is 78%.

Rainfall

The month with the most rainfall is December when the rain falls for 14.8 days and typically aggregates up to 5.31" (135mm) of precipitation.

Snowfall

In Shelter Cove, California, snow does not fall in January, March through December.

Daylight

With an average of 9.4h of daylight, December has the shortest days of the year in Shelter Cove.

Sunshine

December has the least sunshine of the year, with an average of 5h of sunshine.

UV index

Months with the lowest UV index in Shelter Cove are January through March, November and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 3 in December interpret into the following advice:
Take precautions - Protection against the skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the coldest month in Shelter Cove?

With an average high-temperature of 53.4°F (11.9°C) and an average low-temperature of 43.9°F (6.6°C), December is the coldest month in Shelter Cove, California.

What is the temperature in December in Shelter Cove?

In December, in Shelter Cove, the average high-temperature is 53.4°F (11.9°C), and the average low-temperature is 43.9°F (6.6°C).

What is the average humidity in December in Shelter Cove?

In Shelter Cove, the average relative humidity in December is 78%.

How much does it rain in Shelter Cove in December?

In Shelter Cove, during December, the rain falls for 14.8 days and regularly aggregates up to 5.31" (135mm) of precipitation.

What is the rainiest month in Shelter Cove?

The month with the most rainfall is December when the rain falls for 14.8 days and typically aggregates up to 5.31" (135mm) of precipitation.

When it does not snow in Shelter Cove?

January, March through December are months without snowfall in Shelter Cove, California.

What is the month with the shortest days in Shelter Cove?

December has the shortest days of the year in Shelter Cove, with an average of 9.4h of daylight.

What is the average length of the day in December in Shelter Cove?

In December, the average length of the day is 9.4h.

What is the month with the least sunshine in Shelter Cove?

With an average of 5h of sunshine, December has the least sunshine of the year in Shelter Cove.

How long on average sun shines in December in Shelter Cove?

In Shelter Cove, California, the average sunshine in December is 5h.

What are the months with the lowest UV index in Shelter Cove?

Months with the lowest UV index in Shelter Cove, California, are January through March, November and December, with an average maximum UV index of 3.

What is the UV index intensity in December in Shelter Cove?

In December, the average daily maximum UV index in Shelter Cove is 3. A UV Index reading of 3 to 5 represents a medium hazard to health from the exposure to the Sun's UV rays.

Average temperature in December
Shelter Cove, CA

Average temperature in December - Shelter Cove, CA
  • Average high temperature in December: 53.4°F

The warmest month (with the highest average high temperature) is September (69.8°F).
The month with the lowest average high temperature is December (53.4°F).

  • Average low temperature in December: 43.9°F

Months with the highest average low temperature are July, August and September (54.3°F).
The coldest month (with the lowest average low temperature) is February (43.5°F).

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Average pressure in December
Shelter Cove, CA

Average pressure in December - Shelter Cove, CA
  • Average pressure in December: 30.1"

The month with the highest atmospheric pressure is January (30.13").
Months with the lowest atmospheric pressure are August and September (29.95").

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Average wind speed in December
Shelter Cove, CA

Average wind speed in December - Shelter Cove, CA
  • Average wind speed in December: 8.6mph

The windiest month (with the highest average wind speed) is June (10.6mph).
The calmest months (with the lowest average wind speed) are January and August (7.8mph).

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Average humidity in December
Shelter Cove, CA

Average humidity in December - Shelter Cove, CA
  • Average humidity in December: 78%

The month with the highest relative humidity is March (81%).
The month with the lowest relative humidity is September (72%).

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Average rainfall in December
Shelter Cove, CA

Average rainfall in December - Shelter Cove, CA
  • Average rainfall in December: 5.31"

The wettest month (with the highest rainfall) is December (5.31").
The driest month (with the least rainfall) is July (0.08").

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Average rainfall days in December
Shelter Cove, CA

Average rainfall days in December - Shelter Cove, CA
  • Average rainfall days in December: 14.8 days

The month with the highest number of rainy days is March (16.4 days).
The month with the least rainy days is August (1.8 days).

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Average snowfall days in December
Shelter Cove, CA

Average snowfall days in December - Shelter Cove, CA
  • Average snowfall days in December: 0 days

The month with the highest number of snowfall days is February (0.1 days).
Months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).

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Average daylight in December /
Average sunshine in December
Shelter Cove, CA

Average daylight in December / Average sunshine in December - Shelter Cove, CA
  • Average daylight in December: 9.4h

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in December: 5h

Months with the most sunshine are July and August (Average sunshine: 11.7h).
The month with the least sunshine is December (Average sunshine: 5h).

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Average sunshine days in December
Shelter Cove, CA

Average sunshine days in December - Shelter Cove, CA
  • Average sunshine days in December: 15.5 days

The month with the most sunshine days is July (28.4 days).
The month with the least sunshine days is March (13.1 days).

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Average UV index in December
Shelter Cove, CA

Average UV index in December - Shelter Cove, CA
  • Average UV index in December: 3

Months with the highest UV index are June, July and August (UV index 5).
Months with the lowest UV index are January, February, March, November and December (UV index 3).

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Average cloud cover in December
Shelter Cove, CA

Average cloud cover in December - Shelter Cove, CA
  • Average cloud cover in December: 44

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 10).

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Average visibility in December
Shelter Cove, CA

Average visibility in December - Shelter Cove, 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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