December weather forecast
Waihee, HI

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Weather in December

December, the first month of the winter in Waihee, is also a moderately hot month, with an average temperature fluctuating between 75.7°F (24.3°C) and 72.9°F (22.7°C).

Temperature

Waihee marks the onset of December with an average high-temperature of a still moderately hot 75.7°F (24.3°C), a subtle shift from November's 77.7°F (25.4°C). The December nights in Waihee show a slight decrease to a mean low-temperature of 72.9°F (22.7°C).

Humidity

The average relative humidity in December is 75%.

Rainfall

The months with the most rainfall in Waihee are March and December, with an average 0.87" (22mm) of precipitation.

Ocean temperature

In December, the average ocean temperature is 77.2°F (25.1°C).
Note: For swimming, diving, or other water activities, temperatures from 77°F (25°C) to 84.2°F (29°C) provide the most enjoyable experience for extended periods without discomfort.

Daylight

December has the shortest days of the year in Waihee, Hawaii, with an average of 10h and 54min of daylight.
On the first day of the month, sunrise is at 6:46 am and sunset at 5:43 pm. On the last day of December, in Waihee, sunrise is at 7:02 am and sunset at 5:56 pm HST.

Sunshine

The month with the least sunshine in Waihee is December, with an average of 7h of sunshine.

UV index

The months with the lowest UV index in Waihee are January through June, November and December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for average individuals.
Note: In December, the maximum UV index of 6 suggests these recommendations:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Notice! The Sun's UV exposure elevates with sand and water reflections.
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Frequently asked questions

What is the usual temperature for Waihee in December?

An average high-temperature, in December, in Waihee, is 75.7°F (24.3°C) and the average low-temperature is 72.9°F (22.7°C).

What is the average humidity in December in Waihee?

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

What is the rainiest month in Waihee?

The wettest months are March and December, with an average 0.87" (22mm) of rainfall.

How many days does it rain in December in Waihee?

In Waihee, in December, it is raining for 9.2 days, with typically 0.87" (22mm) of accumulated precipitation.

How warm is the water in December in Waihee?

In Waihee, Hawaii, the average seawater temperature in December is 77.2°F (25.1°C). For swimming, diving, and other water activities, temperatures between 77°F (25°C) and 84.2°F (29°C) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

What is the month with the shortest days in Waihee?

With an average of 10h and 54min of daylight, December has the shortest days of the year in Waihee.

How many hours of daylight does Waihee have in December?

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

What time are sunrise and sunset in December in Waihee?

On the first day of December in Waihee, Hawaii, sunrise is at 6:46 am and sunset at 5:43 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 5:56 pm HST.

What is the month with the least sunshine in Waihee?

The month with the least sunshine in Waihee, Hawaii, is December, with an average of 7h of sunshine.

How many hours of sunshine does Waihee have in December?

In December, the average sunshine duration is 7h.

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

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

What is the UV index reading in December in Waihee?

In Waihee, the average daily maximum UV index in December is 6. A UV Index of 6 to 7 symbolizes a high health threat from unsafe exposure to Sun's UV rays.

Average temperature in December
Waihee, HI

Average temperature in December - Waihee, HI
  • Average high temperature in December: 75.7°F

The warmest month (with the highest average high temperature) is September (79.9°F).
The month with the lowest average high temperature is February (73.9°F).

  • Average low temperature in December: 72.9°F

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

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Average pressure in December
Waihee, HI

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

The month with the highest atmospheric pressure is 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
Waihee, HI

Average wind speed in December - Waihee, HI
  • Average wind speed in December: 11.7mph

The windiest month (with the highest average wind speed) is June (13.6mph).
The calmest month (with the lowest average wind speed) is January (10.4mph).

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Average humidity in December
Waihee, HI

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

The months with the highest relative humidity are July and August (76%).
The months with the lowest relative humidity are January and February (74%).

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Average rainfall in December
Waihee, HI

Average rainfall in December - Waihee, HI
  • Average rainfall in December: 0.87"

The wettest months (with the highest rainfall) are March and December (0.87").
The driest month (with the least rainfall) is June (0.2").

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Average rainfall days in December
Waihee, HI

Average rainfall days in December - Waihee, HI
  • Average rainfall days in December: 9.2 days

The month with the highest number of rainy days is March (11.9 days).
The month with the least rainy days is June (6.6 days).

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Average sea temperature in December
Waihee, HI

Average sea temperature in December - Waihee, HI
  • Average sea temperature in December: 77.2°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 (76°F).

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

Average daylight in December / Average sunshine in December - Waihee, 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: 7h and 0min

The month with the most sunshine is June (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).

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Average sunshine days in December
Waihee, HI

Average sunshine days in December - Waihee, HI
  • Average sunshine days in December: 17.7 days

The month with the most sunshine days is June (19.9 days).
The month with the least sunshine days is March (15.2 days).

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Average UV index in December
Waihee, HI

Average UV index in December - Waihee, 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
Waihee, HI

Average cloud cover in December - Waihee, HI
  • Average cloud cover in December: 24

The month with the most cloud cover is March (Cloud cover 30).
The months with the least cloud cover are June and September (Cloud cover 21).

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Average visibility in December
Waihee, HI

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

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