December weather forecast
Pepeekeo, HI

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Weather in December

The first month of the winter, December, is still a pleasant month in Pepeekeo, Hawaii, with temperature in the range of an average low of 66.4°F (19.1°C) and an average high of 71.6°F (22°C).

Temperature

December brings an average high-temperature of a still pleasant 71.6°F (22°C), showing a slight difference from November's 72.9°F (22.7°C). Nighttime temperatures in Pepeekeo hover around an average low of 66.4°F (19.1°C) in December, a slight descent from daytime highs.

Humidity

The average relative humidity in December is 79%.

Rainfall

In December, in Pepeekeo, the rain falls for 18.4 days. Throughout December, 2.64" (67mm) of precipitation is accumulated. In Pepeekeo, during the entire year, the rain falls for 227.7 days and collects up to 27.83" (707mm) of precipitation.

Daylight

December has the shortest days of the year, with an average of 11h and 0min of daylight.
On the first day of the month, sunrise is at 6:39 am and sunset at 5:40 pm. On the last day of December, in Pepeekeo, sunrise is at 6:55 am and sunset at 5:52 pm HST.

Sunshine

With an average of 6.5h of sunshine, December has the least sunshine of the year in Pepeekeo, Hawaii.

UV index

May through December, with an average maximum UV index of 6, are months with the highest UV index in Pepeekeo. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The UV index of 6 in December translates into these instructions:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
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Frequently asked questions

What are December temperatures in Pepeekeo?

In December, in Pepeekeo, the average high-temperature is 71.6°F (22°C), and the average low-temperature is 66.4°F (19.1°C).

What is the average humidity in December in Pepeekeo?

In Pepeekeo, Hawaii, the average relative humidity in December is 79%.

How many days does it rain in December in Pepeekeo?

In Pepeekeo, Hawaii, in December, during 18.4 rainfall days, 2.64" (67mm) of precipitation is typically accumulated.

What is the month with the shortest days in Pepeekeo?

December has the shortest days of the year in Pepeekeo, Hawaii, with an average of 11h and 0min of daylight.

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

In Pepeekeo, Hawaii, the average day length in December is 10h and 58min.

When is the sunrise / sunset in December in Pepeekeo?

In December, on the first day of the month, sunrise is at 6:39 am and sunset at 5:40 pm. On the last day of the month, in Pepeekeo, Hawaii, sunrise is at 6:55 am and sunset at 5:52 pm HST.

What is the month with the least sunshine in Pepeekeo?

December has the least sunshine of the year in Pepeekeo, Hawaii, with an average of 6.5h of sunshine.

How many hours of sunshine does Pepeekeo have in December?

The average sunshine duration in December in Pepeekeo is 6.5h.

What is the month with the highest UV index in Pepeekeo?

May through December, with an average maximum UV index of 6, are months with the highest UV index in Pepeekeo.

What is the UV index reading in December in Pepeekeo?

The average daily maximum UV index in December in Pepeekeo, Hawaii, is 6. A UV Index estimate of 6 to 7 represents a high health risk 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
Pepeekeo, HI

Average temperature in December - Pepeekeo, HI
  • Average high temperature in December: 71.6°F

The warmest month (with the highest average high temperature) is August (75.4°F).
The month with the lowest average high temperature is March (69.6°F).

  • Average low temperature in December: 66.4°F

The month with the highest average low temperature is September (70°F).
The coldest month (with the lowest average low temperature) is March (64°F).

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Average pressure in December
Pepeekeo, HI

Average pressure in December - Pepeekeo, 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
Pepeekeo, HI

Average wind speed in December - Pepeekeo, HI
  • Average wind speed in December: 6.9mph

The windiest month (with the highest average wind speed) is August (7.6mph).
The calmest month (with the lowest average wind speed) is October (6.7mph).

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Average humidity in December
Pepeekeo, HI

Average humidity in December - Pepeekeo, HI
  • Average humidity in December: 79%

The month with the highest relative humidity is March (80%).
The months with the lowest relative humidity are January, May, June and July (78%).

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Average rainfall in December
Pepeekeo, HI

Average rainfall in December - Pepeekeo, HI
  • Average rainfall in December: 2.64"

The wettest month (with the highest rainfall) is February (3.78").
The driest month (with the least rainfall) is June (1.1").

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Average rainfall days in December
Pepeekeo, HI

Average rainfall days in December - Pepeekeo, HI
  • Average rainfall days in December: 18.4 days

The month with the highest number of rainy days is March (22.9 days).
The month with the least rainy days is January (13.3 days).

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

Average daylight in December / Average sunshine in December - Pepeekeo, HI
  • Average daylight in December: 11h and 0min

The month with the longest days is June (Average daylight: 13h and 18min).
The month with the shortest days is December (Average daylight: 11h and 0min).

  • Average sunshine in December: 6h and 3min

The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).

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Average sunshine days in December
Pepeekeo, HI

Average sunshine days in December - Pepeekeo, HI
  • Average sunshine days in December: 6.2 days

The month with the most sunshine days is January (12.1 days).
The month with the least sunshine days is August (1.8 days).

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Average UV index in December
Pepeekeo, HI

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

The months with the highest UV index are May, June, July, August, September, October, November and December (UV index 6).
The months with the lowest UV index are January, February, March and April (UV index 5).

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Average cloud cover in December
Pepeekeo, HI

Average cloud cover in December - Pepeekeo, HI
  • Average cloud cover in December: 33

The month with the most cloud cover is March (Cloud cover 42).
The month with the least cloud cover is January (Cloud cover 26).

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Average visibility in December
Pepeekeo, HI

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

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