December weather forecast
Kealakekua, HI

Share

Weather in December

The first month of the winter, December, is also an agreeable month in Kealakekua, Hawaii, with an average temperature fluctuating between 70.5°F (21.4°C) and 66.6°F (19.2°C).

Temperature

December's average high-temperature stands at a still pleasant 70.5°F (21.4°C), showing little deviation from November's 71.8°F (22.1°C). Recording a slight decline in temperature during the nights, Kealakekua's December temperatures average at a refreshing 66.6°F (19.2°C).

Humidity

The average relative humidity in December is 76%.

Rainfall

In Kealakekua, Hawaii, during December, the rain falls for 15.6 days and regularly aggregates up to 1.3" (33mm) of precipitation. In Kealakekua, during the entire year, the rain falls for 216.1 days and collects up to 16.57" (421mm) of precipitation.

Daylight

December has the shortest days of the year in Kealakekua, Hawaii, with an average of 11h and 0min of daylight.
On the first day of December, sunrise is at 6:42 am and sunset at 5:44 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 5:56 pm HST.

Sunshine

November and December, with an average of 7.3h of sunshine, are months with the least sunshine in Kealakekua.

UV index

January through April, November and December, with an average maximum UV index of 5, are months with the lowest UV index in Kealakekua. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: During December, 5 as the daily maximum UV index converts into the following advice:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
[Resources]

Frequently asked questions

What are the temperatures in Kealakekua in December?

In December, in Kealakekua, the average high-temperature is 70.5°F (21.4°C), and the average low-temperature is 66.6°F (19.2°C).

What is the average humidity in December in Kealakekua?

The average relative humidity in December is 76%.

How many days does it rain in December in Kealakekua?

In Kealakekua, in December, it is raining for 15.6 days, with typically 1.3" (33mm) of accumulated precipitation.

What is the month with the shortest days in Kealakekua?

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

How many hours of daylight does Kealakekua have in December?

The average day length in December is 10h and 59min.

When are sunrise and sunset in December in Kealakekua?

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 Kealakekua, Hawaii, sunrise is at 6:57 am and sunset at 5:56 pm HST.

What is the month with the least sunshine in Kealakekua?

The months with the least sunshine in Kealakekua, Hawaii, are November and December, with an average of 7.3h of sunshine.

How long on average sun shines in December in Kealakekua?

In Kealakekua, Hawaii, the average sunshine duration in December is 7.3h.

What is the month with the lowest UV index in Kealakekua?

The months with the lowest UV index are January through April, November and December, with an average maximum UV index of 5.

How high is the UV index in December in Kealakekua?

The average daily maximum UV index in December in Kealakekua, Hawaii, is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health 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
Kealakekua, HI

Average temperature in December - Kealakekua, HI
  • Average high temperature in December: 70.5°F

The warmest months (with the highest average high temperature) are August and October (73.2°F).
The month with the lowest average high temperature is February (68.9°F).

  • Average low temperature in December: 66.6°F

The month with the highest average low temperature is October (70°F).
The coldest month (with the lowest average low temperature) is March (64.8°F).

[Resources]

Average pressure in December
Kealakekua, HI

Average pressure in December - Kealakekua, 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).

[Resources]

Average wind speed in December
Kealakekua, HI

Average wind speed in December - Kealakekua, HI
  • Average wind speed in December: 5.3mph

The windiest month (with the highest average wind speed) is May (6.3mph).
The calmest month (with the lowest average wind speed) is December (5.3mph).

[Resources]

Average humidity in December
Kealakekua, HI

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

The months with the highest relative humidity are June, July, August and September (81%).
The month with the lowest relative humidity is February (73%).

[Resources]

Average rainfall in December
Kealakekua, HI

Average rainfall in December - Kealakekua, HI
  • Average rainfall in December: 1.3"

The wettest month (with the highest rainfall) is September (1.81").
The driest month (with the least rainfall) is January (0.75").

[Resources]

Average rainfall days in December
Kealakekua, HI

Average rainfall days in December - Kealakekua, HI
  • Average rainfall days in December: 15.6 days

The month with the highest number of rainy days is August (21.8 days).
The month with the least rainy days is January (10.8 days).

[Resources]

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

Average daylight in December / Average sunshine in December - Kealakekua, 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: 10h and 42min).
The months with the least sunshine are November and December (Average sunshine: 7h and 18min).

[Resources]

Average sunshine days in December
Kealakekua, HI

Average sunshine days in December - Kealakekua, HI
  • Average sunshine days in December: 8.3 days

The month with the most sunshine days is January (12.7 days).
The month with the least sunshine days is May (3.2 days).

[Resources]

Average UV index in December
Kealakekua, HI

Average UV index in December - Kealakekua, HI
  • Average UV index in December: 5

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

[Resources]

Average cloud cover in December
Kealakekua, HI

Average cloud cover in December - Kealakekua, HI
  • Average cloud cover in December: 18

The month with the most cloud cover is June (Cloud cover 31).
The month with the least cloud cover is January (Cloud cover 15).

[Resources]

Average visibility in December
Kealakekua, HI

Average visibility in December - Kealakekua, 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).

[Resources]

Kealakekua, Hawaii, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location