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
In December, Hauula notes an average high-temperature of a still warm 76.1°F (24.5°C), hardly different from the preceding month. Hauula notes a steady average temperature of 71.6°F (22°C) during the nights of December.Humidity
The most humid month is December, with an average relative humidity of 77%.Rainfall
In Hauula, during December, the rain falls for 18.9 days and regularly aggregates up to 1.69" (43mm) of precipitation. In Hauula, during the entire year, the rain falls for 215.6 days and collects up to 16.38" (416mm) of precipitation.Daylight
With an average of 10h and 48min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 6:53 am and sunset at 5:48 pm. On the last day of December, sunrise is at 7:09 am and sunset at 6:00 pm HST.
Sunshine
The month with the least sunshine is December, with an average of 6h of sunshine.UV index
January through June, August, October through December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for average individuals.Note: The UV index of 6 during December translates into the following guidance:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. 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. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in December?
What is the most humid month?
What is the average humidity in December?
How many days does it rain in December?
What is the month with the shortest days?
How many hours of daylight does Hauula have in December?
When are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Hauula have in December?
What is the month with the lowest UV index?
What is the UV index intensity in December in Hauula?
Average temperature in December
Hauula, HI
- Average high temperature in December: 76.1°F
The warmest month (with the highest average high temperature) is September (81.3°F).
The month with the lowest average high temperature is February (74.1°F).
- Average low temperature in December: 71.6°F
The month with the highest average low temperature is September (76.1°F).
The coldest month (with the lowest average low temperature) is February (69.1°F).
Average pressure in December
Hauula, HI
- Average pressure in December: 30"Hg
The month with the highest atmospheric pressure is April (30.06"Hg).
The month with the lowest atmospheric pressure is October (29.97"Hg).
Average wind speed in December
Hauula, HI
- Average wind speed in December: 11.2mph
The windiest month (with the highest average wind speed) is July (13.4mph).
The calmest month (with the lowest average wind speed) is January (10.2mph).
Average humidity in December
Hauula, HI
- Average humidity in December: 77%
The month with the highest relative humidity is December (77%).
The months with the lowest relative humidity are January, April, May, September and November (75%).
Average rainfall in December
Hauula, HI
- Average rainfall in December: 1.69"
The wettest month (with the highest rainfall) is March (2.09").
The driest month (with the least rainfall) is July (0.75").
Average rainfall days in December
Hauula, HI
- Average rainfall days in December: 18.9 days
The month with the highest number of rainy days is March (21 days).
The month with the least rainy days is January (15.6 days).
Average daylight in December /
Average sunshine in December
Hauula, HI
- Average daylight in December: 10h and 5min
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 48min).
- Average sunshine in December: 6h and 0min
The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in December
Hauula, HI
- Average sunshine days in December: 6.1 days
The month with the most sunshine days is January (10.1 days).
The month with the least sunshine days is November (3.5 days).
Average UV index in December
Hauula, HI
- Average UV index in December: 6
The months with the highest UV index are July and September (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, August, October, November and December (UV index 6).
Average cloud cover in December
Hauula, HI
- Average cloud cover in December: 42
The month with the most cloud cover is March (Cloud cover 47).
The months with the least cloud cover are January and September (Cloud cover 39).
Average visibility in December
Hauula, 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).
Hauula, Hawaii, USA
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