December weather forecastKualapuu, HI
December
Weather in December
The first month of the winter, December, is still a warm month in Kualapuu, Hawaii, with an average temperature varying between 75.9°F (24.4°C) and 73.6°F (23.1°C).Temperature
Kualapuu signifies an average high-temperature of a still warm 75.9°F (24.4°C) in December, closely mirroring the 78.1°F (25.6°C) of November. The temperature during December experiences a small drop from daytime peaks, recording an average of 73.6°F (23.1°C) at night.Humidity
The average relative humidity in December is 75%.Rainfall
In December, the rain falls for 11.4 days. Throughout December, 1.22" (31mm) of precipitation is accumulated. Throughout the year, there are 126.4 rainfall days, and 9.84" (250mm) of precipitation is accumulated.Daylight
With an average of 10h and 54min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 6:49 am and sunset at 5:45 pm. On the last day of December, sunrise is at 7:05 am and sunset at 5:58 pm HST.
Sunshine
With an average of 6.8h of sunshine, December has the least sunshine of the year.UV index
The months with the lowest UV index are January through May, November and December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: A daily high UV index of 6 in December leads to these guidelines:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. 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. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Kualapuu, HI
- Average high temperature in December: 75.9°F
The warmest months (with the highest average high temperature) are August and September (80.2°F).
The month with the lowest average high temperature is February (74.3°F).
- Average low temperature in December: 73.6°F
The months with the highest average low temperature are September and October (77.2°F).
The coldest month (with the lowest average low temperature) is March (71.2°F).
Average pressure in December
Kualapuu, HI
- Average pressure in December: 29.99"Hg
The months with the highest atmospheric pressure are March and April (30.05"Hg).
The months with the lowest atmospheric pressure are September and October (29.97"Hg).
Average wind speed in December
Kualapuu, HI
- Average wind speed in December: 12mph
The windiest month (with the highest average wind speed) is July (13.9mph).
The calmest month (with the lowest average wind speed) is January (10.8mph).
Average humidity in December
Kualapuu, HI
- Average humidity in December: 75%
The months with the highest relative humidity are April, May, June, July and August (76%).
The months with the lowest relative humidity are January and November (74%).
Average rainfall in December
Kualapuu, HI
- Average rainfall in December: 1.22"
The wettest month (with the highest rainfall) is March (1.3").
The driest month (with the least rainfall) is July (0.31").
Average rainfall days in December
Kualapuu, HI
- Average rainfall days in December: 11.4 days
The month with the highest number of rainy days is March (13.2 days).
The month with the least rainy days is July (8.5 days).
Average daylight in December /
Average sunshine in December
Kualapuu, 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 48min
The month with the most sunshine is June (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days in December
Kualapuu, HI
- Average sunshine days in December: 12.5 days
The month with the most sunshine days is July (16.1 days).
The month with the least sunshine days is November (10.8 days).
Average UV index in December
Kualapuu, HI
- Average UV index in December: 6
The months with the highest UV index are June, July, August, September and October (UV index 7).
The months with the lowest UV index are January, February, March, April, May, November and December (UV index 6).
Average cloud cover in December
Kualapuu, HI
- Average cloud cover in December: 27
The months with the most cloud cover are February and March (Cloud cover 30).
The month with the least cloud cover is September (Cloud cover 23).
Average visibility in December
Kualapuu, 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).
