December weather forecastWaipio Acres, HI
December
Weather in December
December, the first month of the winter in Waipio Acres, is also a moderately hot month, with an average temperature varying between 76.5°F (24.7°C) and 69.4°F (20.8°C).Temperature
Waipio Acres, Hawaii, greets December with an average high-temperature of a still moderately hot 76.5°F (24.7°C), marking a slight deviation from the preceding month. In Waipio Acres, the month of December records an average minimum temperature of 69.4°F (20.8°C), a slight dip from the daily highs.Humidity
February and December, with an average relative humidity of 77%, are the most humid months in Waipio Acres, Hawaii.Rainfall
In Waipio Acres, Hawaii, during December, the rain falls for 18.8 days and regularly aggregates up to 1.97" (50mm) of precipitation. Throughout the year, there are 252.2 rainfall days, and 22.09" (561mm) of precipitation is accumulated.Daylight
The month with the shortest days is December, with an average of 10h and 54min of daylight.On the first day of December in Waipio Acres, sunrise is at 6:53 am and sunset at 5:48 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 6:01 pm HST.
Sunshine
In Waipio Acres, the average sunshine in December is 5.7h.UV index
The months with the lowest UV index in Waipio Acres are January, February and December, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: An average maximum UV index of 5 in December leads to these recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Waipio Acres, HI
- Average high temperature in December: 76.5°F
The warmest month (with the highest average high temperature) is August (82.6°F).
The month with the lowest average high temperature is February (75.6°F).
- Average low temperature in December: 69.4°F
The month with the highest average low temperature is September (74.3°F).
The coldest month (with the lowest average low temperature) is February (66.7°F).
Average pressure in December
Waipio Acres, 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
Waipio Acres, HI
- Average wind speed in December: 8.1mph
The windiest months (with the highest average wind speed) are June and July (10.2mph).
The calmest month (with the lowest average wind speed) is October (7.6mph).
Average humidity in December
Waipio Acres, HI
- Average humidity in December: 77%
The months with the highest relative humidity are February and December (77%).
The month with the lowest relative humidity is September (73%).
Average rainfall in December
Waipio Acres, HI
- Average rainfall in December: 1.97"
The wettest month (with the highest rainfall) is October (2.6").
The driest month (with the least rainfall) is July (1.26").
Average rainfall days in December
Waipio Acres, HI
- Average rainfall days in December: 18.8 days
The month with the highest number of rainy days is August (23.8 days).
The month with the least rainy days is January (16 days).
Average daylight in December /
Average sunshine in December
Waipio Acres, 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: 5h and 42min
The month with the most sunshine is June (Average sunshine: 8h and 24min).
The month with the least sunshine is November (Average sunshine: 5h and 36min).
Average sunshine days in December
Waipio Acres, HI
- Average sunshine days in December: 7.4 days
The month with the most sunshine days is January (10.8 days).
The month with the least sunshine days is August (3.3 days).
Average UV index in December
Waipio Acres, HI
- Average UV index in December: 5
The months with the highest UV index are March, April, May, June, July, August, September, October and November (UV index 6).
The months with the lowest UV index are January, February and December (UV index 5).
Average cloud cover in December
Waipio Acres, HI
- Average cloud cover in December: 47
The month with the most cloud cover is June (Cloud cover 52).
The month with the least cloud cover is January (Cloud cover 43).
Average visibility in December
Waipio Acres, 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).
