December weather forecast
Anahola, HI

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Weather in December

December, the first month of the winter in Anahola, is still a warm month, with an average temperature ranging between max 75.4°F (24.1°C) and min 71.8°F (22.1°C).

Temperature

Anahola starts December with an average high-temperature of a still warm 75.4°F (24.1°C), hinting at a minimal fluctuation from November. A minimal decline in temperature from daytime highs is anticipated throughout the December nights, averaging a pleasant 71.8°F (22.1°C).

Humidity

June through August, October and December, with an average relative humidity of 77%, are the most humid months.

Rainfall

In Anahola, in December, it is raining for 18.1 days, with typically 2.2" (56mm) of accumulated precipitation. In Anahola, Hawaii, during the entire year, the rain falls for 218.4 days and collects up to 22.13" (562mm) of precipitation.

Ocean temperature

In Anahola, Hawaii, in December, the average water temperature is 76.6°F (24.8°C).
Note: When considering a person's aversion to cold, factors like sunshine, wind, and atmospheric temperature are key. Swimming in 76.6°F (24.8°C) might be delightful. (Remember: The Olympics' swimming events have water temperatures between 77°F (25°C) and 82.4°F (28°C).)

Daylight

December has the shortest days of the year in Anahola, with an average of 10h and 48min of daylight.
On the first day of the month, sunrise is at 7:00 am and sunset at 5:52 pm. On the last day of December, in Anahola, sunrise is at 7:16 am and sunset at 6:04 pm HST.

Sunshine

In December, the average sunshine is 6.4h.

UV index

January through August, October through December, with an average maximum UV index of 6, are months with the lowest UV index in Anahola, Hawaii. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum UV index of 6 during December translates into these guidelines:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Attention! UV radiation is ramped up when reflecting off sand and water surfaces.
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Frequently asked questions

What are the temperatures in Anahola in December?

The average high-temperature and low-temperature during December are 75.4°F (24.1°C) and 71.8°F (22.1°C) respectively.

What is the most humid month in Anahola?

June through August, October and December, with an average relative humidity of 77%, are most humid months in Anahola.

What is the average humidity in December in Anahola?

In Anahola, Hawaii, the average relative humidity in December is 77%.

How many days does it rain in December in Anahola?

In December, the rain falls for 18.1 days. Throughout December, 2.2" (56mm) of precipitation is accumulated.

What is the ocean temperature in December in Anahola?

In Anahola, Hawaii, the average seawater temperature in December is 76.6°F (24.8°C). Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 76.6°F (24.8°C) water may be enjoyable.

What is the month with the shortest days in Anahola?

With an average of 10h and 48min of daylight, December has the shortest days of the year in Anahola, Hawaii.

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

The average day length in December in Anahola, Hawaii, is 10h and 49min.

When are sunrise and sunset in December in Anahola?

On the first day of December, sunrise is at 7:00 am and sunset at 5:52 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 6:04 pm HST.

How long on average sun shines in December in Anahola?

The average sunshine duration in December in Anahola is 6.4h.

When is the lowest UV index in Anahola?

January through August, October through December, with an average maximum UV index of 6, are months with the lowest UV index in Anahola, Hawaii.

What is the UV index intensity in December in Anahola?

The average daily maximum UV index in December is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to Sun's UV rays.

Average temperature in December
Anahola, HI

Average temperature in December - Anahola, HI
  • Average high temperature in December: 75.4°F

The warmest month (with the highest average high temperature) is September (79.7°F).
The months with the lowest average high temperature are February and March (73.2°F).

  • Average low temperature in December: 71.8°F

The month with the highest average low temperature is September (75.9°F).
The coldest month (with the lowest average low temperature) is February (68.5°F).

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Average pressure in December
Anahola, HI

Average pressure in December - Anahola, HI
  • Average pressure in December: 30.01"Hg

The month with the highest atmospheric pressure is April (30.07"Hg).
The months with the lowest atmospheric pressure are September and October (29.98"Hg).

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Average wind speed in December
Anahola, HI

Average wind speed in December - Anahola, HI
  • Average wind speed in December: 11.2mph

The windiest month (with the highest average wind speed) is July (12.3mph).
The calmest month (with the lowest average wind speed) is January (10mph).

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Average humidity in December
Anahola, HI

Average humidity in December - Anahola, HI
  • Average humidity in December: 77%

The months with the highest relative humidity are June, July, August, October and December (77%).
The month with the lowest relative humidity is January (75%).

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Average rainfall in December
Anahola, HI

Average rainfall in December - Anahola, HI
  • Average rainfall in December: 2.2"

The wettest month (with the highest rainfall) is March (2.52").
The driest month (with the least rainfall) is April (1.3").

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Average rainfall days in December
Anahola, HI

Average rainfall days in December - Anahola, HI
  • Average rainfall days in December: 18.1 days

The month with the highest number of rainy days is August (21.1 days).
The month with the least rainy days is January (12.5 days).

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Average sea temperature in December
Anahola, HI

Average sea temperature in December - Anahola, HI
  • Average sea temperature in December: 76.6°F

The best month for swimming (with the highest average sea temperature) is September (80.2°F).
The coldest month (with the lowest average sea temperature) is March (74.8°F).

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Average daylight in December /
Average sunshine in December
Anahola, HI

Average daylight in December / Average sunshine in December - Anahola, HI
  • Average daylight in December: 10h and 5min

The month with the longest days is June (Average daylight: 13h and 30min).
The month with the shortest days is December (Average daylight: 10h and 48min).

  • Average sunshine in December: 6h and 2min

The month with the most sunshine is June (Average sunshine: 9h and 42min).
The month with the least sunshine is November (Average sunshine: 6h and 12min).

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Average sunshine days in December
Anahola, HI

Average sunshine days in December - Anahola, HI
  • Average sunshine days in December: 6.7 days

The month with the most sunshine days is January (12.8 days).
The month with the least sunshine days is August (2.9 days).

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Average UV index in December
Anahola, HI

Average UV index in December - Anahola, HI
  • Average UV index in December: 6

The month with the highest UV index is September (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, October, November and December (UV index 6).

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Average cloud cover in December
Anahola, HI

Average cloud cover in December - Anahola, HI
  • Average cloud cover in December: 42

The month with the most cloud cover is March (Cloud cover 47).
The months with the least cloud cover are January and September (Cloud cover 38).

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Average visibility in December
Anahola, HI

Average visibility in December - Anahola, HI
  • 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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Anahola, Hawaii, USA

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