December weather forecast
Capitola, CA

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The beach and a long wooden pier on the calm blue waters in Capitola, California
The beach and a long wooden pier on the calm blue waters in Capitola, California

Weather in December

December, the first month of the winter in Capitola, is still a mild month, with an average temperature ranging between max 57.2°F (14°C) and min 46.2°F (7.9°C).

Temperature

Capitola experiences its lowest temperatures in December, with an average peak of 57.2°F (14°C) and a low of 46.2°F (7.9°C).

Humidity

The average relative humidity in December is 71%.

Rainfall

December is the month with the most rainfall. Rain falls for 10.3 days and accumulates 2.8" (71mm) of precipitation.

Ocean temperature

In December, the average ocean temperature is 55.6°F (13.1°C).
Note: Swimming in 55.6°F (13.1°C) can be lethal. Merely spending a few minutes in 55.4°F (13°C) waters feels harsh, and venturing below 50°F (10°C) might disrupt breathing control and bring about cold shock, contingent on individual resilience.

Daylight

With an average of 9h and 42min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:03 am and sunset at 4:51 pm. On the last day of December, sunrise is at 7:20 am and sunset at 5:01 pm PST.

Sunshine

The month with the least sunshine is December, with an average of 5.8h of sunshine.

UV index

In Capitola, the average daily maximum UV index in December is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.
Note: In December, the maximum UV index of 4 translates into these guidelines:
Heed the precautions - Suggestions to avoid sunburn are made. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
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Frequently asked questions

What is the coldest time of year in Capitola?

With average high and low temperatures of 57.2°F (14°C) and 46.2°F (7.9°C) respectively, December is Capitola's coldest month.

What is the average December temperature in Capitola?

The average high-temperature and low-temperature during December are 57.2°F (14°C) and 46.2°F (7.9°C) respectively.

What is the average humidity in December in Capitola?

The average relative humidity in December in Capitola is 71%.

What is the wettest month in Capitola?

The month with the most rainfall in Capitola, California, is December, when the rain falls for 10.3 days and typically aggregates up to 2.8" (71mm) of precipitation.

How many days does it rain in December in Capitola?

In Capitola, in December, it is raining for 10.3 days, with typically 2.8" (71mm) of accumulated precipitation.

What is the water temperature in December in Capitola?

In Capitola, California, 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 in Capitola?

With an average of 9h and 42min of daylight, December has the shortest days of the year in Capitola, California.

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

In December, the average day length in Capitola is 9h and 40min.

What time are sunrise and sunset in December in Capitola?

On the first day of December in Capitola, California, sunrise is at 7:03 am and sunset at 4:51 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 5:01 pm PST.

What is the month with the least sunshine in Capitola?

The month with the least sunshine in Capitola is December, with an average of 5.8h of sunshine.

How many hours of sunshine does Capitola have in December?

In December, the average sunshine duration in Capitola, California, is 5.8h.

What is the UV index reading in December in Capitola?

The average daily maximum UV index in December in Capitola is 4. A UV Index value 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
Capitola, CA

Average temperature in December - Capitola, CA
  • Average high temperature in December: 57.2°F

The warmest months (with the highest average high temperature) are August and September (73°F).
The month with the lowest average high temperature is December (57.2°F).

  • Average low temperature in December: 46.2°F

The month with the highest average low temperature is September (55.2°F).
The coldest month (with the lowest average low temperature) is February (45.5°F).

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Average pressure in December
Capitola, CA

Average pressure in December - Capitola, CA
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.92"Hg).

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Average wind speed in December
Capitola, CA

Average wind speed in December - Capitola, CA
  • Average wind speed in December: 6.2mph

The windiest month (with the highest average wind speed) is April (7.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

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Average humidity in December
Capitola, CA

Average humidity in December - Capitola, CA
  • Average humidity in December: 71%

The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is October (68%).

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Average rainfall in December
Capitola, CA

Average rainfall in December - Capitola, CA
  • Average rainfall in December: 2.8"

The wettest month (with the highest rainfall) is December (2.8").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days in December
Capitola, CA

Average rainfall days in December - Capitola, CA
  • Average rainfall days in December: 10.3 days

The month with the highest number of rainy days is March (13.4 days).
The month with the least rainy days is August (1.2 days).

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Average sea temperature in December
Capitola, CA

Average sea temperature in December - Capitola, 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).

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

Average daylight in December / Average sunshine in December - Capitola, CA
  • Average daylight in December: 9h and 4min

The month with the longest days is June (Average daylight: 14h and 42min).
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 42min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).

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Average sunshine days in December
Capitola, CA

Average sunshine days in December - Capitola, CA
  • Average sunshine days in December: 19.5 days

The month with the most sunshine days is August (27.8 days).
The month with the least sunshine days is March (16.4 days).

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Average UV index in December
Capitola, CA

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

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

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Average cloud cover in December
Capitola, CA

Average cloud cover in December - Capitola, CA
  • Average cloud cover in December: 35

The month with the most cloud cover is March (Cloud cover 38).
The months with the least cloud cover are July and September (Cloud cover 15).

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Average visibility in December
Capitola, CA

Average visibility in December - Capitola, 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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Capitola, California, USA

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