December weather forecast
Sisquoc, CA

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Weather in December

December, the first month of the winter in Sisquoc, is still a comfortable month, with an average temperature varying between 61.9°F (16.6°C) and 47.7°F (8.7°C).

Temperature

December, with its average high-temperature of 61.9°F (16.6°C) and an average low-temperature of 47.7°F (8.7°C), holds the record as the coldest month.

Humidity

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

Rainfall

In Sisquoc, California, in December, during 5.7 rainfall days, 1.02" (26mm) of precipitation is typically accumulated. In Sisquoc, during the entire year, the rain falls for 43.9 days and collects up to 6.93" (176mm) of precipitation.

Daylight

The month with the shortest days is December, with an average of 9h and 54min of daylight.
On the first day of the month, sunrise is at 6:51 am and sunset at 4:49 pm. On the last day of December, in Sisquoc, sunrise is at 7:08 am and sunset at 5:00 pm PST.

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 of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In December, the maximum UV index of 4 transforms into these recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year in Sisquoc?

With average high temperatures of 61.9°F (16.6°C) and lows of 47.7°F (8.7°C), December is the coldest month in Sisquoc.

What is the temperature in December in Sisquoc?

The average high-temperature, in December, in Sisquoc, is 61.9°F (16.6°C), while the average low-temperature is 47.7°F (8.7°C).

What is the average humidity in December in Sisquoc?

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

How much does it rain in Sisquoc in December?

In December, in Sisquoc, the rain falls for 5.7 days. Throughout December, 1.02" (26mm) of precipitation is accumulated.

What is the month with the shortest days in Sisquoc?

The month with the shortest days in Sisquoc, California, is December, with an average of 9h and 54min of daylight.

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

In December, the average day length in Sisquoc, California, is 9h and 52min.

What time are sunrise and sunset in December in Sisquoc?

In December, on the first day of the month, sunrise is at 6:51 am and sunset at 4:49 pm. On the last day of the month, in Sisquoc, sunrise is at 7:08 am and sunset at 5:00 pm PST.

How many hours of sunshine does Sisquoc have in December?

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

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

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

How high is the UV index in December in Sisquoc?

In December, the average daily maximum UV index in Sisquoc is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

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).

Average pressure in December
Sisquoc, CA

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

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

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).

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%).

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").

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).
The months with the least rainy days are June and August (0.8 days).

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

Average daylight in December / Average sunshine in December - Sisquoc, CA
  • Average daylight in December: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in December: 6h and 4min

The months with the most sunshine are June, July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is February (Average sunshine: 6h and 30min).

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).

Average UV index in December
Sisquoc, CA

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

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

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).

Average visibility in December
Sisquoc, CA

Average visibility in December - Sisquoc, CA
  • Average visibility in December: 6mi

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

Sisquoc, California, USA

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