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

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Magnificent surroundings of luxurious homes in Carmel-by-the-Sea Town, California
Magnificent surroundings of luxurious homes in Carmel-by-the-Sea Town, California

Weather in December

December is the coldest month in Carmel-by-the-Sea, with the lowest temperature recorded at 46.9°F (8.3°C). This month also receives the highest rainfall in the year at 2.48" (63mm), marking the onset of winter. Despite the chilly temperatures, the sea temperature is mild enough to allow certain water activities. Esthetically, December is one of the most beautiful months in Carmel-by-the-Sea, transforming the city into a winter wonderland.

Temperature

With average temperatures fluctuating between a high of 57°F (13.9°C) and a low of 46.9°F (8.3°C), December stands out as the coldest month.

Humidity

In December, the average relative humidity is 72%.

Rainfall

December is the month with the most rainfall. Rain falls for 9.8 days and accumulates 2.48" (63mm) of precipitation.

Ocean temperature

In December, the average ocean temperature is 55.6°F (13.1°C).
Note: Navigating the 55.6°F (13.1°C) at 55.4°F (13°C) is no joy, and temperatures less than 50°F (10°C) can threaten breathing and cause a chilling shock, gauging personal stamina.

Daylight

With an average of 9h and 42min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:01 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 5:02 pm PST.

Sunshine

With an average of 5.9h of sunshine, December has the least sunshine of the year.

UV index

The month with the lowest UV index is December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: An average UV index of 3 in December transforms into this advice:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.

Frequently asked questions

What are the coldest months?

December, noted for its average high-temperature of 57°F (13.9°C) and an average low-temperature of 46.9°F (8.3°C), is considered the coldest month in Carmel-by-the-Sea.

What is the usual temperature for Carmel-by-the-Sea in December?

In Carmel-by-the-Sea, in December, the average high-temperature is 57°F (13.9°C), and the average low-temperature is 46.9°F (8.3°C).

What is the average humidity in December?

In Carmel-by-the-Sea, the average relative humidity in December is 72%.

What is the rainiest month?

The month with the most rainfall is December, when the rain falls for 9.8 days and typically aggregates up to 2.48" (63mm) of precipitation.

How much does it rain in December?

In December, the rain falls for 9.8 days. Throughout December, 2.48" (63mm) of precipitation is accumulated.

What is the ocean temperature in December?

In Carmel-by-the-Sea, the average seawater temperature in December is 55.6°F (13.1°C). Swimming in 55.6°F (13.1°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 42min of daylight.

What is the average length of the day in December?

In Carmel-by-the-Sea, the average day length in December is 9h and 43min.

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 7:01 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 5:02 pm PST.

What is the month with the least sunshine?

December has the least sunshine of the year, with an average of 5.9h of sunshine.

How many hours of sunshine does Carmel-by-the-Sea have in December?

In December, the average sunshine duration is 5.9h.

When is the lowest UV index?

With an average maximum UV index of 3, December is the month with the lowest UV index.

What is the UV index intensity in December?

In Carmel-by-the-Sea, the average daily maximum UV index in December is 3. A UV Index estimate of 3 to 5 represents 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
Carmel-by-the-Sea, CA

Average temperature in December - Carmel-by-the-Sea, CA
  • Average high temperature in December: 57°F

The warmest month (with the highest average high temperature) is September (69.6°F).
The month with the lowest average high temperature is December (57°F).

  • Average low temperature in December: 46.9°F

The month with the highest average low temperature is September (55.4°F).
The coldest month (with the lowest average low temperature) is December (46.9°F).

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

Average pressure in December - Carmel-by-the-Sea, CA
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.93"Hg).

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

Average wind speed in December - Carmel-by-the-Sea, CA
  • Average wind speed in December: 7.3mph

The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

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

Average humidity in December - Carmel-by-the-Sea, CA
  • Average humidity in December: 72%

The month with the highest relative humidity is August (79%).
The month with the lowest relative humidity is November (70%).

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

Average rainfall in December - Carmel-by-the-Sea, CA
  • Average rainfall in December: 2.48"

The wettest month (with the highest rainfall) is December (2.48").
The driest month (with the least rainfall) is August (0.04").

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

Average rainfall days in December - Carmel-by-the-Sea, CA
  • Average rainfall days in December: 9.8 days

The month with the highest number of rainy days is March (12.3 days).
The month with the least rainy days is August (1.3 days).

Average sea temperature in December
Carmel-by-the-Sea, CA

Average sea temperature in December - Carmel-by-the-Sea, CA
  • Average sea temperature in December: 55.6°F

The best months for swimming (with the highest average sea temperature) are August and September (58.1°F).
The coldest month (with the lowest average sea temperature) is April (53.8°F).

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

Average daylight in December / Average sunshine in December - Carmel-by-the-Sea, CA
  • Average daylight in December: 9h and 4min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in December: 5h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).

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

Average sunshine days in December - Carmel-by-the-Sea, CA
  • Average sunshine days in December: 20.3 days

The month with the most sunshine days is August (27.8 days).
The month with the least sunshine days is March (17.3 days).

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

Average UV index in December - Carmel-by-the-Sea, CA
  • Average UV index in December: 3

The months with the highest UV index are June, July, August and September (UV index 5).
The month with the lowest UV index is December (UV index 3).

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

Average cloud cover in December - Carmel-by-the-Sea, CA
  • Average cloud cover in December: 33

The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 13).

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

Average visibility in December - Carmel-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).

Carmel-by-the-Sea, California, USA

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