December weather forecast and climate
Encinitas, CA

Weather in December

December, the first month of the winter, in Encinitas, is also an enjoyable month, with average temperature fluctuating between 62.6°F (17°C) and 52.5°F (11.4°C).

Temperature

The coldest months are February and December, with an average high-temperature of 62.6°F (17°C).

Humidity

The average relative humidity in Encinitas is 62%.

Rainfall

December is the month with the most rainfall in Encinitas, California. Rain falls for 5.6 days and accumulates 1.22" (31mm) of precipitation.

Ocean temperature

In Encinitas, the average seawater temperature in December is 60.4°F (15.8°C).
Note: Swimming in 60.4°F (15.8°C) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 69.8°F (21°C).

Daylight

December has the shortest days of the year, with an average of 10h of daylight.

Sunshine

December has the least sunshine of the year in Encinitas, with an average of 6.7h of sunshine.

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 reading of 3 to 5 represents a moderate threat to health from unsafe exposure to the UV radiation for average individuals.
Note: In December, the average maximum UV index of 4 translate into the following recommendations:
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 Encinitas?

The coldest months are February and December, with an average high-temperature of 62.6°F (17°C).

What is the temperature in December in Encinitas?

In December, in Encinitas, California, the average high-temperature is 62.6°F (17°C), and the average low-temperature is 52.5°F (11.4°C).

What is the average humidity in December in Encinitas?

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

How many days does it rain in December in Encinitas?

In Encinitas, California, in December, during 5.6 rainfall days, 1.22" (31mm) of precipitation is typically accumulated.

What is the wettest month in Encinitas?

The month with the most rainfall in Encinitas is December when the rain falls for 5.6 days and typically aggregates up to 1.22" (31mm) of precipitation.

What is the ocean temperature in December in Encinitas?

In December, the average ocean temperature in Encinitas is 60.4°F (15.8°C). For swimming, a surface water temperature of 60.4°F (15.8°C) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C).

What is the month with the shortest days in Encinitas?

With an average of 10h of daylight, December has the shortest days of the year in Encinitas, California.

How many hours of daylight does Encinitas have in December?

In Encinitas, California, the average length of the day in December is 10h.

What is the month with the least sunshine in Encinitas?

The month with the least sunshine in Encinitas, California, is December, with an average of 6.7h of sunshine.

How many hours of sunshine does Encinitas have in December?

In December, the average sunshine is 6.7h.

What is the month with the lowest UV index in Encinitas?

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

How high is the UV index in December in Encinitas?

The average daily maximum UV index in December in Encinitas is 4. A UV Index reading of 3 to 5 represents a medium hazard to health from unsafe exposure to the Sun's UV rays.

Average temperature in December
Encinitas, CA

Average temperature in December - Encinitas, CA
  • Average high temperature in December: 62.6°F

The warmest month (with the highest average high temperature) is August (76.5°F).
Months with the lowest average high temperature are February and December (62.6°F).

  • Average low temperature in December: 52.5°F

The month with the highest average low temperature is August (64.8°F).
The coldest month (with the lowest average low temperature) is February (51.8°F).

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Average pressure in December
Encinitas, CA

Average pressure in December - Encinitas, CA
  • Average pressure in December: 30.06"

The month with the highest atmospheric pressure is January (30.09").
Months with the lowest atmospheric pressure are June and September (29.88").

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Average wind speed in December
Encinitas, CA

Average wind speed in December - Encinitas, CA
  • Average wind speed in December: 5.6mph

The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is October (5.2mph).

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Average humidity in December
Encinitas, CA

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

The month with the highest relative humidity is June (75%).
The month with the lowest relative humidity is November (60%).

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Average rainfall in December
Encinitas, CA

Average rainfall in December - Encinitas, CA
  • Average rainfall in December: 1.22"

The wettest month (with the highest rainfall) is December (1.22").
The driest month (with the least rainfall) is June (0.12").

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Average rainfall days in December
Encinitas, CA

Average rainfall days in December - Encinitas, CA
  • Average rainfall days in December: 5.6 days

The month with the highest number of rainy days is March (7.8 days).
The month with the least rainy days is October (3.4 days).

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Average sea temperature in December
Encinitas, CA

Average sea temperature in December - Encinitas, CA
  • Average sea temperature in December: 60.3°F

The best month for swimming (with the highest average sea temperature) is August (68°F).
The coldest months (with the lowest average sea temperature) are January and February (58.7°F).

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

Average daylight in December / Average sunshine in December - Encinitas, CA
  • Average daylight in December: 10h

The month with the longest days is June (Average daylight: 14.3h).
The month with the shortest days is December (Average daylight: 10h).

  • Average sunshine in December: 6.7h

Months with the most sunshine are July and August (Average sunshine: 11.9h).
The month with the least sunshine is December (Average sunshine: 6.7h).

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Average sunshine days in December
Encinitas, CA

Average sunshine days in December - Encinitas, CA
  • Average sunshine days in December: 23.6 days

The month with the most sunshine days is October (24.9 days).
The month with the least sunshine days is July (19.8 days).

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Average UV index in December
Encinitas, CA

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

Months with the highest UV index are 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
Encinitas, CA

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

Months with the most cloud cover are March and December (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 9).

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Average visibility in December
Encinitas, CA

Average visibility in December - Encinitas, 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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