December weather forecastKipahulu, HI
December
Weather in December
December, the first month of the winter in Kipahulu, is still a warm month, with temperature in the range of an average high of 74.5°F (23.6°C) and an average low of 72°F (22.2°C).Temperature
As December takes hold, the average high-temperature is a still moderately hot 74.5°F (23.6°C), nearly mirroring that of the previous month. Consistently, Kipahulu reports average nighttime temperatures of 72°F (22.2°C) during December, a marginal step down from its daytime highs.Humidity
In Kipahulu, the average relative humidity in December is 77%.Rainfall
In Kipahulu, in December, it is raining for 13.8 days, with typically 1.5" (38mm) of accumulated precipitation. In Kipahulu, during the entire year, the rain falls for 136.7 days and collects up to 13.94" (354mm) of precipitation.Snowfall
January through August, October through December are months without snowfall in Kipahulu.Daylight
December has the shortest days of the year, with an average of 10h and 54min of daylight.On the first day of December, sunrise is at 6:44 am and sunset at 5:42 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 5:54 pm HST.
Sunshine
With an average of 6.7h of sunshine, December has the least sunshine of the year in Kipahulu.UV index
The months with the lowest UV index in Kipahulu, Hawaii, are January through August, October through December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the average person.Note: In December, a regular UV index of 6 translates into these guidelines:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Kipahulu, HI
- Average high temperature in December: 74.5°F
The warmest month (with the highest average high temperature) is September (79°F).
The month with the lowest average high temperature is March (72.9°F).
- Average low temperature in December: 72°F
The month with the highest average low temperature is September (76.1°F).
The coldest month (with the lowest average low temperature) is March (69.8°F).
Average pressure in December
Kipahulu, 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
Kipahulu, HI
- Average wind speed in December: 12.4mph
The windiest month (with the highest average wind speed) is June (14.4mph).
The calmest month (with the lowest average wind speed) is January (10.9mph).
Average humidity in December
Kipahulu, HI
- Average humidity in December: 77%
The months with the highest relative humidity are July and August (78%).
The months with the lowest relative humidity are January and February (76%).
Average rainfall in December
Kipahulu, HI
- Average rainfall in December: 1.5"
The wettest month (with the highest rainfall) is October (2.17").
The driest month (with the least rainfall) is September (0.43").
Average rainfall days in December
Kipahulu, HI
- Average rainfall days in December: 13.8 days
The month with the highest number of rainy days is March (14.1 days).
The month with the least rainy days is September (8.1 days).
Average snowfall days in December
Kipahulu, HI
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is September (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Kipahulu, 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 months with the most sunshine are June and July (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in December
Kipahulu, HI
- Average sunshine days in December: 13.3 days
The month with the most sunshine days is January (16.8 days).
The month with the least sunshine days is November (11.2 days).
Average UV index in December
Kipahulu, HI
- Average UV index in December: 6
The month with the highest UV index is September (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, October, November and December (UV index 6).
Average cloud cover in December
Kipahulu, HI
- Average cloud cover in December: 29
The month with the most cloud cover is March (Cloud cover 33).
The month with the least cloud cover is September (Cloud cover 23).
Average visibility in December
Kipahulu, 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).
