December weather forecast
Cuesta-by-the-Sea, CA

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Weather in December

December, the first month of the winter in Cuesta-by-the-Sea, is still a mild month, with an average temperature fluctuating between 59.2°F (15.1°C) and 48°F (8.9°C).

Temperature

The month of December sees the lowest average temperatures, reaching 59.2°F (15.1°C) at the peak and 48°F (8.9°C) at the low.

Humidity

The average relative humidity in December is 66%.

Rainfall

In Cuesta-by-the-Sea, California, in December, it is raining for 7.3 days, with typically 1.38" (35mm) of accumulated precipitation. In Cuesta-by-the-Sea, California, during the entire year, the rain falls for 53.7 days and collects up to 8.58" (218mm) of precipitation.

Daylight

December has the shortest days of the year, with an average of 9h and 48min of daylight.
On the first day of December in Cuesta-by-the-Sea, sunrise is at 6:54 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 5:01 pm PST.

Sunshine

The month with the least sunshine in Cuesta-by-the-Sea is December, with an average of 6.4h of sunshine.

UV index

The months with the lowest UV index in Cuesta-by-the-Sea are January through April, November and December, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: A daily high UV index of 4 in December leads to these guidelines:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. To guard against the harmful effects of the Sun, minimize exposure during midday. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
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Frequently asked questions

What time of the year is the coldest in Cuesta-by-the-Sea?

Cuesta-by-the-Sea, California, experiences its average lowest temperatures in December, reaching a peak of 59.2°F (15.1°C) and a minimum of 48°F (8.9°C).

What is the average December temperature in Cuesta-by-the-Sea?

The high-temperature during December is 59.2°F (15.1°C) and the low-temperature is 48°F (8.9°C).

What is the average humidity in December in Cuesta-by-the-Sea?

In Cuesta-by-the-Sea, California, the average relative humidity in December is 66%.

How many days does it rain in December in Cuesta-by-the-Sea?

In Cuesta-by-the-Sea, in December, it is raining for 7.3 days, with typically 1.38" (35mm) of accumulated precipitation.

What is the month with the shortest days in Cuesta-by-the-Sea?

With an average of 9h and 48min of daylight, December has the shortest days of the year.

What is the average length of the day in December in Cuesta-by-the-Sea?

The average day length in December is 9h and 49min.

When is the sunrise / sunset in December in Cuesta-by-the-Sea?

On the first day of December in Cuesta-by-the-Sea, California, sunrise is at 6:54 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 5:01 pm PST.

What is the month with the least sunshine in Cuesta-by-the-Sea?

With an average of 6.4h of sunshine, December has the least sunshine of the year.

How long on average sun shines in December in Cuesta-by-the-Sea?

In Cuesta-by-the-Sea, California, the average sunshine duration in December is 6.4h.

What are the months with the lowest UV index in Cuesta-by-the-Sea?

The months with the lowest UV index in Cuesta-by-the-Sea, California, are January through April, November and December, with an average maximum UV index of 4.

How high is the UV index in December in Cuesta-by-the-Sea?

In December, the average daily maximum UV index in Cuesta-by-the-Sea, California, is 4. A UV Index of 3 to 5 symbolizes a moderate health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Cuesta-by-the-Sea, CA

Average temperature in December - Cuesta-by-the-Sea, CA
  • Average high temperature in December: 59.2°F

The warmest month (with the highest average high temperature) is September (76.3°F).
The month with the lowest average high temperature is December (59.2°F).

  • Average low temperature in December: 48°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 (47.3°F).

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Average pressure in December
Cuesta-by-the-Sea, CA

Average pressure in December - Cuesta-by-the-Sea, CA
  • Average pressure in December: 30.1"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The months with the lowest atmospheric pressure are June and September (29.91"Hg).

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Average wind speed in December
Cuesta-by-the-Sea, CA

Average wind speed in December - Cuesta-by-the-Sea, CA
  • Average wind speed in December: 6.8mph

The windiest month (with the highest average wind speed) is May (7.9mph).
The calmest months (with the lowest average wind speed) are August and September (6mph).

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Average humidity in December
Cuesta-by-the-Sea, CA

Average humidity in December - Cuesta-by-the-Sea, CA
  • Average humidity in December: 66%

The month with the highest relative humidity is March (70%).
The months with the lowest relative humidity are September and October (61%).

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Average rainfall in December
Cuesta-by-the-Sea, CA

Average rainfall in December - Cuesta-by-the-Sea, CA
  • Average rainfall in December: 1.38"

The wettest month (with the highest rainfall) is January (1.81").
The driest month (with the least rainfall) is August (0.04").

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Average rainfall days in December
Cuesta-by-the-Sea, CA

Average rainfall days in December - Cuesta-by-the-Sea, CA
  • Average rainfall days in December: 7.3 days

The month with the highest number of rainy days is March (10.3 days).
The month with the least rainy days is August (0.7 days).

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Average daylight in December /
Average sunshine in December
Cuesta-by-the-Sea, CA

Average daylight in December / Average sunshine in December - Cuesta-by-the-Sea, 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 48min).

  • Average sunshine in December: 6h and 2min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).

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Average sunshine days in December
Cuesta-by-the-Sea, CA

Average sunshine days in December - Cuesta-by-the-Sea, CA
  • Average sunshine days in December: 22.5 days

The month with the most sunshine days is August (28.8 days).
The month with the least sunshine days is February (20.1 days).

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Average UV index in December
Cuesta-by-the-Sea, CA

Average UV index in December - Cuesta-by-the-Sea, CA
  • Average UV index in December: 4

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

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Average cloud cover in December
Cuesta-by-the-Sea, CA

Average cloud cover in December - Cuesta-by-the-Sea, CA
  • Average cloud cover in December: 26

The month with the most cloud cover is March (Cloud cover 28).
The months with the least cloud cover are August and September (Cloud cover 7).

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Average visibility in December
Cuesta-by-the-Sea, CA

Average visibility in December - Cuesta-by-the-Sea, 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).

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Cuesta-by-the-Sea, California, USA

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