December weather forecast
Puako, HI

Weather in December

The first month of the winter, December, is still a warm month in Puako, Hawaii, with average temperature fluctuating between 71.1°F (21.7°C) and 74.8°F (23.8°C).

Temperature

In December, the average high-temperature is essentially the same as in November - a still moderately hot 74.8°F (23.8°C). In December, the average low-temperature is 71.1°F (21.7°C).

Humidity

In Puako, the average relative humidity in December is 73%.

Rainfall

In Puako, in December, during 9.4 rainfall days, 0.67" (17mm) of precipitation is typically accumulated. Throughout the year, in Puako, Hawaii, there are 136 rainfall days, and 8.5" (216mm) of precipitation is accumulated.

Daylight

December has the shortest days of the year, with an average of 10.9h of daylight.

Sunshine

The month with the least sunshine in Puako is December, with an average of 7.4h of sunshine.

UV index

January through December, with an average maximum UV index of 6, are months with the highest UV index in Puako. January through December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from the exposure to the Sun's UV radiation for the average person.
Note: The average daily UV index of 6 in December transform into the following instructions:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. 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.
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FAQ

What is the average humidity in December in Puako?

In Puako, the average relative humidity in December is 73%.

How much does it rain in Puako in December?

In Puako, Hawaii, during December, the rain falls for 9.4 days and regularly aggregates up to 0.67" (17mm) of precipitation.

What is the month with the shortest days in Puako?

The month with the shortest days in Puako, Hawaii, is December, with an average of 10.9h of daylight.

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

The average length of the day in December in Puako, Hawaii, is 10.9h.

What is the month with the least sunshine in Puako?

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

How many hours of sunshine does Puako have in December?

The average sunshine in December in Puako, Hawaii, is 7.4h.

When is the highest UV index in Puako?

Months with the highest UV index are January through December, with an average maximum UV index of 6.

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

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

What is the UV index reading in December in Puako?

The average daily maximum UV index in December is 6. A UV Index value of 6 to 7 symbolizes a high health threat from unprotected exposure to the UV radiation.

Average temperature in December
Puako, HI

Average temperature in December - Puako, HI
  • Average high temperature in December: 74.8°F

The warmest month (with the highest average high temperature) is August (78.4°F).
The month with the lowest average high temperature is February (73.2°F).

  • Average low temperature in December: 71.1°F

Months with the highest average low temperature are August, September and October (74.8°F).
The coldest month (with the lowest average low temperature) is March (69.4°F).

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Average pressure in December
Puako, HI

Average pressure in December - Puako, HI
  • Average pressure in December: 29.99"

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

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Average wind speed in December
Puako, HI

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

The windiest month (with the highest average wind speed) is February (6.2mph).
The calmest month (with the lowest average wind speed) is July (5mph).

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Average humidity in December
Puako, HI

Average humidity in December - Puako, HI
  • Average humidity in December: 73%

Months with the highest relative humidity are June, July and August (77%).
The month with the lowest relative humidity is February (71%).

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Average rainfall in December
Puako, HI

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

The wettest month (with the highest rainfall) is February (0.98").
The driest month (with the least rainfall) is January (0.47").

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Average rainfall days in December
Puako, HI

Average rainfall days in December - Puako, HI
  • Average rainfall days in December: 9.4 days

The month with the highest number of rainy days is May (14.4 days).
The month with the least rainy days is February (8.1 days).

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

Average daylight in December / Average sunshine in December - Puako, HI
  • Average daylight in December: 10.9h

The month with the longest days is June (Average daylight: 13.3h).
The month with the shortest days is December (Average daylight: 10.9h).

  • Average sunshine in December: 7.4h

The month with the most sunshine is June (Average sunshine: 11.4h).
The month with the least sunshine is December (Average sunshine: 7.4h).

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Average sunshine days in December
Puako, HI

Average sunshine days in December - Puako, HI
  • Average sunshine days in December: 12.3 days

The month with the most sunshine days is January (14.5 days).
The month with the least sunshine days is October (6.8 days).

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Average UV index in December
Puako, HI

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

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

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

Months with the most cloud cover are April, May and June (Cloud cover 21).
The month with the least cloud cover is January (Cloud cover 12).

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Average visibility in December
Puako, HI

Average visibility in December - Puako, HI
  • Average visibility in December: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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