Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
With the onset of December, the average high-temperature in Kalaoa stands at a still moderately hot 74.8°F (23.8°C), closely aligned with November's 77.2°F (25.1°C). The December nights show a slight decrease to a mean low-temperature of 71.1°F (21.7°C).Humidity
In December, the average relative humidity in Kalaoa, Hawaii, is 73%.Rainfall
In Kalaoa, Hawaii, in December, during 9.4 rainfall days, 0.67" (17mm) of precipitation is typically accumulated. Throughout the year, there are 136 rainfall days, and 8.5" (216mm) of precipitation is accumulated.Daylight
December has the shortest days of the year in Kalaoa, with an average of 11h and 0min of daylight.On the first day of December, sunrise is at 6:42 am and sunset at 5:43 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 5:56 pm HST.
Sunshine
The month with the least sunshine in Kalaoa is December, with an average of 7.4h of sunshine.UV index
The months with the highest UV index in Kalaoa are January through December, with an average maximum UV index of 6. The months with the lowest UV index in Kalaoa are January through December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 6 during December translates into the following recommendations:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Frequently asked questions
What is the average December temperature in Kalaoa?
What is the average humidity in December in Kalaoa?
How many days does it rain in December in Kalaoa?
What is the month with the shortest days in Kalaoa?
How many hours of daylight does Kalaoa have in December?
When is the sunrise / sunset in December in Kalaoa?
What is the month with the least sunshine in Kalaoa?
How long on average sun shines in December in Kalaoa?
When is the highest UV index in Kalaoa?
What is the month with the lowest UV index in Kalaoa?
What is the UV index intensity in December in Kalaoa?
Average temperature in December
Kalaoa, 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
The 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).
Average pressure in December
Kalaoa, HI
- Average pressure in December: 29.99"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).
Average wind speed in December
Kalaoa, 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).
Average humidity in December
Kalaoa, HI
- Average humidity in December: 73%
The months with the highest relative humidity are June, July and August (77%).
The month with the lowest relative humidity is February (71%).
Average rainfall in December
Kalaoa, 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").
Average rainfall days in December
Kalaoa, 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).
Average daylight in December /
Average sunshine in December
Kalaoa, 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 June (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 7h and 24min).
Average sunshine days in December
Kalaoa, 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).
Average UV index in December
Kalaoa, 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).
Average cloud cover in December
Kalaoa, HI
- Average cloud cover in December: 15
The 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).
Average visibility in December
Kalaoa, 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).
Kalaoa, Hawaii, USA
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