December weather forecast
Holualoa, HI

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Weather in December

With the arrival of December, the year concludes on a slightly cooler note in Holualoa, Hawaii as the average high temperature drops to 74.1°F (23.4°C). Yet, winters remain mild compared to mainland United States regions, making it a perfect holiday destination. December offers an idyllic, tropical winter experience marked by warm days and cooler nights, complemented by a festive atmosphere.

Temperature

Holualoa indicates an average high-temperature of a still warm 74.1°F (23.4°C) in December, showing minor variation from November's 76.1°F (24.5°C). Nighttime temperatures during December report a consistent average of 71.1°F (21.7°C).

Humidity

The average relative humidity in December is 74%.

Rainfall

In December, the rain falls for 11.2 days. Throughout December, 0.67" (17mm) of precipitation is accumulated. Throughout the year, in Holualoa, there are 152.6 rainfall days, and 9.53" (242mm) of precipitation is accumulated.

Daylight

The month with the shortest days in Holualoa is December, with an average of 11h and 0min of daylight.
On the first day of the month, sunrise is at 6:42 am and sunset at 5:44 pm. On the last day of December, in Holualoa, sunrise is at 6:58 am and sunset at 5:56 pm HST.

Sunshine

With an average of 7.4h of sunshine, December has the least sunshine of the year in Holualoa.

UV index

January through December, with an average maximum UV index of 6, are months with the highest UV index. January through 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 risk from exposure to the Sun's UV rays for the average person.
Note: A maximum daily UV index of 6 during December morphs into the following directions:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
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Frequently asked questions

What is the temperature in December in Holualoa?

December temperatures in Holualoa vary between a high-temperature of 74.1°F (23.4°C) and a low-temperature of 71.1°F (21.7°C).

What is the average humidity in December in Holualoa?

In Holualoa, the average relative humidity in December is 74%.

How many days does it rain in December in Holualoa?

In Holualoa, during December, the rain falls for 11.2 days and regularly aggregates up to 0.67" (17mm) of precipitation.

What is the month with the shortest days in Holualoa?

The month with the shortest days is December, with an average of 11h and 0min of daylight.

How many hours of daylight does Holualoa have in December?

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

When are sunrise and sunset in December in Holualoa?

In December, on the first day of the month, sunrise is at 6:42 am and sunset at 5:44 pm. On the last day of the month, in Holualoa, Hawaii, sunrise is at 6:58 am and sunset at 5:56 pm HST.

What is the month with the least sunshine in Holualoa?

December has the least sunshine of the year in Holualoa, with an average of 7.4h of sunshine.

How long on average sun shines in December in Holualoa?

In December, the average sunshine duration is 7.4h.

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

January through December, with an average maximum UV index of 6, are months with the highest UV index in Holualoa, Hawaii.

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

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

What is the UV index reading in December in Holualoa?

In December, the average daily maximum UV index in Holualoa, Hawaii, is 6. A UV Index reading 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
Holualoa, HI

Average temperature in December - Holualoa, HI
  • Average high temperature in December: 74.1°F

The warmest month (with the highest average high temperature) is August (77.5°F).
The month with the lowest average high temperature is February (72.7°F).

  • Average low temperature in December: 71.1°F

The months with the highest average low temperature are August and October (74.3°F).
The coldest month (with the lowest average low temperature) is January (69.3°F).

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Average pressure in December
Holualoa, HI

Average pressure in December - Holualoa, HI
  • Average pressure in December: 29.98"Hg

The month with the highest atmospheric pressure is April (30.04"Hg).
The months with the lowest atmospheric pressure are September and October (29.96"Hg).

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Average wind speed in December
Holualoa, HI

Average wind speed in December - Holualoa, HI
  • Average wind speed in December: 5.5mph

The windiest months (with the highest average wind speed) are April and May (6.2mph).
The calmest months (with the lowest average wind speed) are July and December (5.5mph).

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Average humidity in December
Holualoa, HI

Average humidity in December - Holualoa, HI
  • Average humidity in December: 74%

The months with the highest relative humidity are July and August (79%).
The month with the lowest relative humidity is February (71%).

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Average rainfall in December
Holualoa, HI

Average rainfall in December - Holualoa, HI
  • Average rainfall in December: 0.67"

The wettest month (with the highest rainfall) is September (1.02").
The driest month (with the least rainfall) is January (0.47").

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Average rainfall days in December
Holualoa, HI

Average rainfall days in December - Holualoa, HI
  • Average rainfall days in December: 11.2 days

The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is January (8.3 days).

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

Average daylight in December / Average sunshine in December - Holualoa, 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: 7h and 2min

The month with the most sunshine is May (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 7h and 24min).

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Average sunshine days in December
Holualoa, HI

Average sunshine days in December - Holualoa, HI
  • Average sunshine days in December: 12.9 days

The month with the most sunshine days is January (17.6 days).
The month with the least sunshine days is May (6.7 days).

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Average UV index in December
Holualoa, HI

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

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

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Average cloud cover in December
Holualoa, HI

Average cloud cover in December - Holualoa, HI
  • Average cloud cover in December: 15

The months with the most cloud cover are June and July (Cloud cover 24).
The month with the least cloud cover is January (Cloud cover 12).

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Average visibility in December
Holualoa, HI

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

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