December weather forecastKahakuloa, HI
December
Weather in December
December, the first month of the winter in Kahakuloa, is still a warm month, with an average temperature ranging between max 75.4°F (24.1°C) and min 72.7°F (22.6°C).Temperature
Kahakuloa notes an average high-temperature of a still moderately hot 75.4°F (24.1°C) in December, hardly diverging from November. Kahakuloa records a slight downturn in temperature to an average of 72.7°F (22.6°C) during December nights.Humidity
In December, the average relative humidity in Kahakuloa is 76%.Rainfall
In Kahakuloa, in December, during 10.5 rainfall days, 1.02" (26mm) of precipitation is typically accumulated. Throughout the year, there are 112.6 rainfall days, and 7.91" (201mm) of precipitation is accumulated.Daylight
The month with the shortest days in Kahakuloa is December, with an average of 10h and 54min of daylight.On the first day of the month, sunrise is at 6:47 am and sunset at 5:43 pm. On the last day of December, in Kahakuloa, sunrise is at 7:03 am and sunset at 5:56 pm HST.
Sunshine
The month with the least sunshine in Kahakuloa is December, with an average of 6.7h of sunshine.UV index
January through June, November and December, with an average maximum UV index of 6, are months with the lowest UV index in Kahakuloa. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the average person.Note: A daily high UV index of 6 in December leads to these guidelines:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. 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. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Kahakuloa, HI
- Average high temperature in December: 75.4°F
The warmest month (with the highest average high temperature) is September (79.7°F).
The month with the lowest average high temperature is February (73.9°F).
- Average low temperature in December: 72.7°F
The months with the highest average low temperature are August and October (76.5°F).
The coldest month (with the lowest average low temperature) is March (70.7°F).
Average pressure in December
Kahakuloa, 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).
Average wind speed in December
Kahakuloa, HI
- Average wind speed in December: 11.9mph
The windiest month (with the highest average wind speed) is July (13.9mph).
The calmest month (with the lowest average wind speed) is January (10.6mph).
Average humidity in December
Kahakuloa, HI
- Average humidity in December: 76%
The month with the highest relative humidity is July (77%).
The months with the lowest relative humidity are January, February, March, September and November (75%).
Average rainfall in December
Kahakuloa, HI
- Average rainfall in December: 1.02"
The wettest month (with the highest rainfall) is March (1.1").
The driest month (with the least rainfall) is July (0.35").
Average rainfall days in December
Kahakuloa, HI
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is March (13.4 days).
The month with the least rainy days is November (7.7 days).
Average daylight in December /
Average sunshine in December
Kahakuloa, HI
- Average daylight in December: 10h and 54min
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 42min
The month with the most sunshine is June (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in December
Kahakuloa, HI
- Average sunshine days in December: 16.8 days
The month with the most sunshine days is October (18.4 days).
The month with the least sunshine days is March (12.6 days).
Average UV index in December
Kahakuloa, HI
- Average UV index in December: 6
The months with the highest UV index are July, August, September and October (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, November and December (UV index 6).
Average cloud cover in December
Kahakuloa, HI
- Average cloud cover in December: 29
The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is September (Cloud cover 25).
Average visibility in December
Kahakuloa, 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).
