December weather forecastHawaiian Beaches, HI
December
Weather in December
December, the first month of the winter in Hawaiian Beaches, is still a pleasant month, with temperature in the range of an average high of 71.6°F (22°C) and an average low of 66.4°F (19.1°C).Temperature
The shift into December reveals an average high-temperature of a still pleasant 71.6°F (22°C), closely mirroring November's climate. Hawaiian Beaches's December nights demonstrate minimal variation from the daytime temperatures, with an average of 66.4°F (19.1°C).Humidity
In Hawaiian Beaches, the average relative humidity in December is 79%.Rainfall
In Hawaiian Beaches, Hawaii, during December, the rain falls for 18.4 days and regularly aggregates up to 2.64" (67mm) of precipitation. In Hawaiian Beaches, during the entire year, the rain falls for 227.7 days and collects up to 27.83" (707mm) of precipitation.Daylight
December has the shortest days of the year in Hawaiian Beaches, with an average of 11h and 0min of daylight.On the first day of December, sunrise is at 6:38 am and sunset at 5:40 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 5:52 pm HST.
Sunshine
With an average of 6.5h of sunshine, December has the least sunshine of the year.UV index
The months with the highest UV index in Hawaiian Beaches are May through December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: In December, the average maximum UV index of 6 translates into the following recommendations:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Hawaiian Beaches, 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).
Average pressure in December
Hawaiian Beaches, 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).
Average wind speed in December
Hawaiian Beaches, 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).
Average humidity in December
Hawaiian Beaches, 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%).
Average rainfall in December
Hawaiian Beaches, 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").
Average rainfall days in December
Hawaiian Beaches, 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).
Average daylight in December /
Average sunshine in December
Hawaiian Beaches, 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 30min
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).
Average sunshine days in December
Hawaiian Beaches, 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).
Average UV index in December
Hawaiian Beaches, 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).
Average cloud cover in December
Hawaiian Beaches, 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).
Average visibility in December
Hawaiian Beaches, 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).
