December weather forecast
Ahuimanu, HI

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Weather in December

The first month of the winter, December, is still a warm month in Ahuimanu, Hawaii, with an average temperature ranging between min 72°F (22.2°C) and max 76.1°F (24.5°C).

Temperature

December's arrival shows an average high-temperature of a still warm 76.1°F (24.5°C), hardly different from the previous month. December nighttime temperatures in Ahuimanu hover close to the daytime peak with an average of 72°F (22.2°C).

Humidity

February through April, July, August, October and December, with an average relative humidity of 76%, are the most humid months.

Rainfall

In Ahuimanu, in December, it is raining for 15.9 days, with typically 1.77" (45mm) of accumulated precipitation. In Ahuimanu, during the entire year, the rain falls for 187.1 days and collects up to 15.83" (402mm) of precipitation.

Daylight

With an average of 10h and 54min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 6:53 am and sunset at 5:48 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 6:00 pm HST.

Sunshine

December has the least sunshine of the year in Ahuimanu, with an average of 6.3h of sunshine.

UV index

January through June, October through December, with an average maximum UV index of 6, are months with the lowest UV index in Ahuimanu. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the average person.
Note: The daily maximum UV index of 6 in December interprets into the following advice:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
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Frequently asked questions

What is the temperature in December in Ahuimanu?

The average high-temperature and low-temperature in Ahuimanu, Hawaii, during December are 76.1°F (24.5°C) and 72°F (22.2°C) respectively. The average heat index (a.k.a. 'feels like', 'real feel'), which represents the influence of relative humidity on air temperature, in October is estimated at 86°F (30°C).

What are the most humid months in Ahuimanu?

The months with the highest humidity in Ahuimanu are February through April, July, August, October and December, with an average relative humidity of 76%.

What is the average humidity in December in Ahuimanu?

In December, the average relative humidity in Ahuimanu is 76%.

How many days does it rain in December in Ahuimanu?

In Ahuimanu, in December, during 15.9 rainfall days, 1.77" (45mm) of precipitation is typically accumulated.

What is the month with the shortest days in Ahuimanu?

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

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

The average day length in December in Ahuimanu is 10h and 51min.

When are sunrise and sunset in December in Ahuimanu?

In December, on the first day of the month, sunrise is at 6:53 am and sunset at 5:48 pm. On the last day of the month, in Ahuimanu, sunrise is at 7:09 am and sunset at 6:00 pm HST.

What is the month with the least sunshine in Ahuimanu?

The month with the least sunshine is December, with an average of 6.3h of sunshine.

How many hours of sunshine does Ahuimanu have in December?

In December, the average sunshine duration in Ahuimanu, Hawaii, is 6.3h.

When is the lowest UV index in Ahuimanu?

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

How high is the UV index in December in Ahuimanu?

In December, the average daily maximum UV index in Ahuimanu, Hawaii, is 6. A UV Index of 6 to 7 symbolizes 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
Ahuimanu, HI

Average temperature in December - Ahuimanu, HI
  • Average high temperature in December: 76.1°F

The warmest months (with the highest average high temperature) are August and September (81°F).
The month with the lowest average high temperature is February (74.3°F).

  • Average low temperature in December: 72°F

The month with the highest average low temperature is August (76.6°F).
The coldest month (with the lowest average low temperature) is February (69.6°F).

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Average pressure in December
Ahuimanu, HI

Average pressure in December - Ahuimanu, HI
  • Average pressure in December: 30"Hg

The month with the highest atmospheric pressure is April (30.06"Hg).
The months with the lowest atmospheric pressure are September and October (29.97"Hg).

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Average wind speed in December
Ahuimanu, HI

Average wind speed in December - Ahuimanu, HI
  • Average wind speed in December: 11.4mph

The windiest month (with the highest average wind speed) is July (13.5mph).
The calmest month (with the lowest average wind speed) is January (10.3mph).

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Average humidity in December
Ahuimanu, HI

Average humidity in December - Ahuimanu, HI
  • Average humidity in December: 76%

The months with the highest relative humidity are February, March, April, July, August, October and December (76%).
The months with the lowest relative humidity are January, May, June, September and November (75%).

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Average rainfall in December
Ahuimanu, HI

Average rainfall in December - Ahuimanu, HI
  • Average rainfall in December: 1.77"

The wettest month (with the highest rainfall) is March (2.01").
The driest month (with the least rainfall) is July (0.71").

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Average rainfall days in December
Ahuimanu, HI

Average rainfall days in December - Ahuimanu, HI
  • Average rainfall days in December: 15.9 days

The month with the highest number of rainy days is March (18.3 days).
The month with the least rainy days is June (13.5 days).

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

Average daylight in December / Average sunshine in December - Ahuimanu, 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 2min

The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).

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Average sunshine days in December
Ahuimanu, HI

Average sunshine days in December - Ahuimanu, HI
  • Average sunshine days in December: 8.2 days

The month with the most sunshine days is June (12.2 days).
The month with the least sunshine days is April (6.5 days).

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Average UV index in December
Ahuimanu, HI

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

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

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Average cloud cover in December
Ahuimanu, HI

Average cloud cover in December - Ahuimanu, HI
  • Average cloud cover in December: 37

The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is September (Cloud cover 32).

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Average visibility in December
Ahuimanu, HI

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

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