December weather forecast
Kualapuu, HI

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Weather in December

December, the first month of the winter in Kualapuu, is still a warm month, with an average temperature ranging between max 75.9°F (24.4°C) and min 73.6°F (23.1°C).

Temperature

Kualapuu marks the start of December with an average high-temperature of a still warm 75.9°F (24.4°C), hinting at a slight fluctuation from November's 78.1°F (25.6°C). December nights in Kualapuu register a minor temperature decline, steadying at a still warm 73.6°F (23.1°C).

Humidity

The average relative humidity in December in Kualapuu is 75%.

Rainfall

In Kualapuu, in December, during 11.4 rainfall days, 1.22" (31mm) of precipitation is typically accumulated. In Kualapuu, during the entire year, the rain falls for 126.4 days and collects up to 9.84" (250mm) of precipitation.

Daylight

The month with the shortest days is December, with an average of 10h and 54min of daylight.
On the first day of December, sunrise is at 6:49 am and sunset at 5:45 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 5:58 pm HST.

Sunshine

The month with the least sunshine in Kualapuu is December, with an average of 6.8h of sunshine.

UV index

January through May, November and December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the average person.
Note: An average maximum UV index of 6 in December leads to these recommendations:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
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Frequently asked questions

What are December temperatures in Kualapuu?

In December, the average high-temperature and low-temperature are 75.9°F (24.4°C) and 73.6°F (23.1°C) respectively.

What is the average humidity in December in Kualapuu?

In December, the average relative humidity in Kualapuu, Hawaii, is 75%.

How much does it rain in Kualapuu in December?

In December, in Kualapuu, Hawaii, the rain falls for 11.4 days. Throughout December, 1.22" (31mm) of precipitation is accumulated.

What is the month with the shortest days in Kualapuu?

The month with the shortest days in Kualapuu, Hawaii, is December, with an average of 10h and 54min of daylight.

How many hours of daylight does Kualapuu have in December?

The average day length in December in Kualapuu is 10h and 52min.

What time are sunrise and sunset in December in Kualapuu?

On the first day of December in Kualapuu, Hawaii, sunrise is at 6:49 am and sunset at 5:45 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 5:58 pm HST.

What is the month with the least sunshine in Kualapuu?

With an average of 6.8h of sunshine, December has the least sunshine of the year in Kualapuu.

How many hours of sunshine does Kualapuu have in December?

In December, the average sunshine duration in Kualapuu, Hawaii, is 6.8h.

What are the months with the lowest UV index in Kualapuu?

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

What is the UV index reading in December in Kualapuu?

In December, the average daily maximum UV index in Kualapuu is 6. A UV Index value of 6 to 7 symbolizes a high health risk from 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
Kualapuu, HI

Average temperature in December - Kualapuu, HI
  • Average high temperature in December: 75.9°F

The warmest months (with the highest average high temperature) are August and September (80.2°F).
The month with the lowest average high temperature is February (74.3°F).

  • Average low temperature in December: 73.6°F

The months with the highest average low temperature are September and October (77.2°F).
The coldest month (with the lowest average low temperature) is March (71.2°F).

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Average pressure in December
Kualapuu, HI

Average pressure in December - Kualapuu, HI
  • Average pressure in December: 29.99"Hg

The months with the highest atmospheric pressure are March and April (30.05"Hg).
The months with the lowest atmospheric pressure are September and October (29.97"Hg).

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Average wind speed in December
Kualapuu, HI

Average wind speed in December - Kualapuu, HI
  • Average wind speed in December: 12mph

The windiest month (with the highest average wind speed) is July (13.9mph).
The calmest month (with the lowest average wind speed) is January (10.8mph).

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Average humidity in December
Kualapuu, HI

Average humidity in December - Kualapuu, HI
  • Average humidity in December: 75%

The months with the highest relative humidity are April, May, June, July and August (76%).
The months with the lowest relative humidity are January and November (74%).

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Average rainfall in December
Kualapuu, HI

Average rainfall in December - Kualapuu, HI
  • Average rainfall in December: 1.22"

The wettest month (with the highest rainfall) is March (1.3").
The driest month (with the least rainfall) is July (0.31").

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Average rainfall days in December
Kualapuu, HI

Average rainfall days in December - Kualapuu, HI
  • Average rainfall days in December: 11.4 days

The month with the highest number of rainy days is March (13.2 days).
The month with the least rainy days is July (8.5 days).

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

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

The month with the longest days is June (Average daylight: 13h and 24min).
The month with the shortest days is December (Average daylight: 10h and 54min).

  • Average sunshine in December: 6h and 5min

The month with the most sunshine is June (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).

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Average sunshine days in December
Kualapuu, HI

Average sunshine days in December - Kualapuu, HI
  • Average sunshine days in December: 12.5 days

The month with the most sunshine days is July (16.1 days).
The month with the least sunshine days is November (10.8 days).

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Average UV index in December
Kualapuu, HI

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

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

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Average cloud cover in December
Kualapuu, HI

Average cloud cover in December - Kualapuu, HI
  • Average cloud cover in December: 27

The months with the most cloud cover are February and March (Cloud cover 30).
The month with the least cloud cover is September (Cloud cover 23).

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Average visibility in December
Kualapuu, HI

Average visibility in December - Kualapuu, 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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Kualapuu, Hawaii, USA

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