December weather forecast
Kapalua, HI

Weather in December

December, the first month of the winter in Kapalua, is also a moderately hot month, with an average temperature ranging between min 72.7°F (22.6°C) and max 75.4°F (24.1°C).

Temperature

In Kapalua, the average high-temperature in December is relatively the same as in November - a still moderately hot 75.4°F (24.1°C). In December, in Kapalua, Hawaii, the average low-temperature is 72.7°F (22.6°C).

Humidity

In December, the average relative humidity is 76%.

Rainfall

In Kapalua, during 10.5 rainfall days, 1.02" (26mm) of precipitation is typically accumulated. In Kapalua, during the entire year, the rain falls for 112.6 days and collects up to 7.91" (201mm) of precipitation.

Ocean temperature

In Kapalua, the average water temperature is 77°F (25°C).
Note: Water temperature between 77°F (25°C) and 84.2°F (29°C) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

Daylight

December has the shortest days of the year, with an average of 10h and 53min of daylight.
On the first day of December in Kapalua, sunrise is at 6:47 am and sunset at 5:44 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 5:56 pm HST.

Sunshine

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

UV index

The months with the lowest UV index are January through June, November and December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 6 in December interpret into the following advice:
Take precautions against overexposure. Protection against sun damage is needed. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.
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FAQ

What is the temperature in December in Kapalua?

In Kapalua, in December, the average high-temperature is 75.4°F (24.1°C), and the average low-temperature is 72.7°F (22.6°C).

What is the average humidity in December in Kapalua?

In December, the average relative humidity in Kapalua is 76%.

How much does it rain in Kapalua in December?

In Kapalua, Hawaii, in December, during 10.5 rainfall days, 1.02" (26mm) of precipitation is typically accumulated.

What is the ocean temperature in December in Kapalua?

In Kapalua, in December, the average water temperature is 77°F (25°C). Water temperature between 77°F (25°C) and 84.2°F (29°C) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

What is the month with the shortest days in Kapalua?

December has the shortest days of the year in Kapalua, Hawaii, with an average of 10h and 53min of daylight.

How many hours of daylight does Kapalua have in December?

The average day length in December is 10h and 53min.

What time are sunrise and sunset in December in Kapalua?

On the first day of December in Kapalua, sunrise is at 6:47 am and sunset at 5:44 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 5:56 pm HST.

What is the month with the least sunshine in Kapalua?

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

How long on average sun shines in December in Kapalua?

In December, the average sunshine duration is 6.7h.

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

The months with the lowest UV index in Kapalua are January through June, November and December, with an average maximum UV index of 6.

What is the UV index reading in December in Kapalua?

In Kapalua, the average daily maximum UV index in December is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Kapalua, HI

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

The warmest month (with the highest average high temperature) is September (79.7°F).
The month with the lowest average high temperature is February (73.9°F).

  • Average low temperature in December: 72.7°F

The months with the highest average low temperature are August and October (76.5°F).
The coldest month (with the lowest average low temperature) is March (70.7°F).

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Average pressure in December
Kapalua, HI

Average pressure in December - Kapalua, HI
  • Average pressure in December: 30"Hg

The month with the highest atmospheric pressure is April (30.06"Hg).
The months with the lowest atmospheric pressure are September and October (29.97"Hg).

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Average wind speed in December
Kapalua, HI

Average wind speed in December - Kapalua, HI
  • Average wind speed in December: 11.9mph

The windiest month (with the highest average wind speed) is July (13.9mph).
The calmest month (with the lowest average wind speed) is January (10.6mph).

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Average humidity in December
Kapalua, HI

Average humidity in December - Kapalua, HI
  • Average humidity in December: 76%

The month with the highest relative humidity is July (77%).
The months with the lowest relative humidity are January, February, March, September and November (75%).

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Average rainfall in December
Kapalua, HI

Average rainfall in December - Kapalua, HI
  • Average rainfall in December: 1.02"

The wettest month (with the highest rainfall) is March (1.1").
The driest month (with the least rainfall) is July (0.35").

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Average rainfall days in December
Kapalua, HI

Average rainfall days in December - Kapalua, HI
  • Average rainfall days in December: 10.5 days

The month with the highest number of rainy days is March (13.4 days).
The month with the least rainy days is November (7.7 days).

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Average sea temperature in December
Kapalua, HI

Average sea temperature in December - Kapalua, HI
  • Average sea temperature in December: 77°F

The best months for swimming (with the highest average sea temperature) are September and October (81°F).
The coldest months (with the lowest average sea temperature) are January, February, March and April (75°F).

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

Average daylight in December / Average sunshine in December - Kapalua, HI
  • Average daylight in December: 10h and 53min

The month with the longest days is June (Average daylight: 13h and 23min).
The month with the shortest days is December (Average daylight: 10h and 53min).

  • Average sunshine in December: 6h and 42min

The month with the most sunshine is June (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).

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Average sunshine days in December
Kapalua, HI

Average sunshine days in December - Kapalua, HI
  • Average sunshine days in December: 16.8 days

The month with the most sunshine days is October (18.4 days).
The month with the least sunshine days is March (12.6 days).

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Average UV index in December
Kapalua, HI

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

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

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Average cloud cover in December
Kapalua, HI

Average cloud cover in December - Kapalua, HI
  • Average cloud cover in December: 29

The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is September (Cloud cover 25).

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Average visibility in December
Kapalua, HI

Average visibility in December - Kapalua, 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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