December weather forecast and climate
Sisquoc, CA

Weather in December

The first month of the winter, December, is also an enjoyable month in Sisquoc, California, with temperature in the range of an average low of 47.7°F (8.7°C) and an average high of 61.9°F (16.6°C).

Temperature

The coldest month is December, with an average high-temperature of 61.9°F (16.6°C) and an average low-temperature of 47.7°F (8.7°C).

Humidity

In December, the average relative humidity is 62%.

Rainfall

In December, the rain falls for 5.7 days. Throughout December, 1.02" (26mm) of precipitation is accumulated. Throughout the year, there are 43.9 rainfall days, and 6.93" (176mm) of precipitation is accumulated.

Daylight

December has the shortest days of the year in Sisquoc, with an average of 9.9h of daylight.

Sunshine

In Sisquoc, the average sunshine in December is 6.6h.

UV index

January through March, November and December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to the Sun's UV rays for average individuals.
Note: In December, the average maximum UV index of 4 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the coldest month in Sisquoc?

December is the coldest month in Sisquoc, California, with an average high-temperature of 61.9°F (16.6°C) and an average low-temperature of 47.7°F (8.7°C).

What is the temperature in December in Sisquoc?

In December, the average high-temperature is 61.9°F (16.6°C), and the average low-temperature is 47.7°F (8.7°C).

What is the average humidity in December in Sisquoc?

In Sisquoc, California, the average relative humidity in December is 62%.

How much does it rain in Sisquoc in December?

In Sisquoc, in December, during 5.7 rainfall days, 1.02" (26mm) of precipitation is typically accumulated.

What is the month with the shortest days in Sisquoc?

December has the shortest days of the year, with an average of 9.9h of daylight.

How many hours of daylight does Sisquoc have in December?

In December, the average length of the day is 9.9h.

How long on average sun shines in December in Sisquoc?

The average sunshine in December in Sisquoc is 6.6h.

What are the months with the lowest UV index in Sisquoc?

Months with the lowest UV index in Sisquoc are January through March, November and December, with an average maximum UV index of 4.

What is the UV index reading in December in Sisquoc?

The average daily maximum UV index in December is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from the exposure to the Sun's UV rays.

Average temperature in December
Sisquoc, CA

Average temperature in December - Sisquoc, CA
  • Average high temperature in December: 61.9°F

The warmest month (with the highest average high temperature) is August (79.3°F).
The month with the lowest average high temperature is December (61.9°F).

  • Average low temperature in December: 47.7°F

The month with the highest average low temperature is September (59.9°F).
The coldest month (with the lowest average low temperature) is February (46.6°F).

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Average pressure in December
Sisquoc, CA

Average pressure in December - Sisquoc, CA
  • Average pressure in December: 30.09"

The month with the highest atmospheric pressure is January (30.11").
Months with the lowest atmospheric pressure are June, August and September (29.91").

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Average wind speed in December
Sisquoc, CA

Average wind speed in December - Sisquoc, CA
  • Average wind speed in December: 6.5mph

The windiest months (with the highest average wind speed) are April and May (7.6mph).
The calmest month (with the lowest average wind speed) is July (6.1mph).

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Average humidity in December
Sisquoc, CA

Average humidity in December - Sisquoc, CA
  • Average humidity in December: 62%

The month with the highest relative humidity is March (68%).
The month with the lowest relative humidity is October (58%).

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Average rainfall in December
Sisquoc, CA

Average rainfall in December - Sisquoc, CA
  • Average rainfall in December: 1.02"

The wettest month (with the highest rainfall) is March (1.5").
The driest months (with the least rainfall) are June and August (0.04").

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Average rainfall days in December
Sisquoc, CA

Average rainfall days in December - Sisquoc, CA
  • Average rainfall days in December: 5.7 days

The month with the highest number of rainy days is March (7.9 days).
Months with the least rainy days are June and August (0.8 days).

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Average daylight in December /
Average sunshine in December
Sisquoc, CA

Average daylight in December / Average sunshine in December - Sisquoc, CA
  • Average daylight in December: 9.9h

The month with the longest days is June (Average daylight: 14.5h).
The month with the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in December: 6.6h

Months with the most sunshine are June, July and August (Average sunshine: 12h).
The month with the least sunshine is February (Average sunshine: 6.5h).

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Average sunshine days in December
Sisquoc, CA

Average sunshine days in December - Sisquoc, CA
  • Average sunshine days in December: 24.5 days

The month with the most sunshine days is August (29.3 days).
The month with the least sunshine days is February (21.3 days).

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Average UV index in December
Sisquoc, CA

Average UV index in December - Sisquoc, CA
  • Average UV index in December: 4

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, March, November and December (UV index 4).

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Average cloud cover in December
Sisquoc, CA

Average cloud cover in December - Sisquoc, CA
  • Average cloud cover in December: 24

The month with the most cloud cover is March (Cloud cover 26).
The month with the least cloud cover is August (Cloud cover 6).

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Average visibility in December
Sisquoc, CA

Average visibility in December - Sisquoc, 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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