December weather forecast
Nīnole, HI

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Weather in December

December, the first month of the winter in Nīnole, is also an agreeable month, with an average temperature ranging between max 71.6°F (22°C) and min 66.4°F (19.1°C).

Temperature

Nīnole's weather in December displays an average high-temperature of a still pleasant 71.6°F (22°C), showing minor disparity from November's 72.9°F (22.7°C). Nighttime readings in Nīnole during December register a minimal drop from daytime highs, averaging at a refreshing 66.4°F (19.1°C).

Humidity

In December, the average relative humidity is 79%.

Rainfall

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

Daylight

The month with the shortest days is December, 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 Nīnole, sunrise is at 6:55 am and sunset at 5:52 pm HST.

Sunshine

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

UV index

May through December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the average person.
Note: A maximum high UV index of 6 in December translates into the following recommendations:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
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Frequently asked questions

What is the temperature in December in Nīnole?

December temperatures vary between a high-temperature of 71.6°F (22°C) and a low-temperature of 66.4°F (19.1°C).

What is the average humidity in December in Nīnole?

The average relative humidity in December in Nīnole is 79%.

How much does it rain in Nīnole in December?

In Nīnole, during December, the rain falls for 18.4 days and regularly aggregates up to 2.64" (67mm) of precipitation.

What is the month with the shortest days in Nīnole?

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

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

The average day length in December in Nīnole, Hawaii, is 10h and 57min.

What time are sunrise and sunset in December in Nīnole?

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, sunrise is at 6:55 am and sunset at 5:52 pm HST.

What is the month with the least sunshine in Nīnole?

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

How long on average sun shines in December in Nīnole?

In December, the average sunshine duration in Nīnole is 6.5h.

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

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

How high is the UV index in December in Nīnole?

In December, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Nīnole, HI

Average temperature in December - Nīnole, 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
Nīnole, HI

Average pressure in December - Nīnole, 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
Nīnole, HI

Average wind speed in December - Nīnole, 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
Nīnole, HI

Average humidity in December - Nīnole, 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
Nīnole, HI

Average rainfall in December - Nīnole, 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
Nīnole, HI

Average rainfall days in December - Nīnole, 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
Nīnole, HI

Average daylight in December / Average sunshine in December - Nīnole, 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
Nīnole, HI

Average sunshine days in December - Nīnole, 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
Nīnole, HI

Average UV index in December - Nīnole, 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
Nīnole, HI

Average cloud cover in December - Nīnole, 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
Nīnole, HI

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

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