December weather forecastHaliimaile, HI
December
Weather in December
December, the first month of the winter in Haliimaile, is still a warm month, with temperature in the range of an average low of 72°F (22.2°C) and an average high of 74.5°F (23.6°C).Temperature
As November turns into December, the average high-temperatures rest at a still moderately hot 74.5°F (23.6°C), showing a minor variation from the prior month. In Haliimaile, the average low-temperature during December nights tends to settle at a pleasant 72°F (22.2°C), indicating a slight drop from the daytime peak.Humidity
In Haliimaile, the average relative humidity in December is 77%.Rainfall
In Haliimaile, Hawaii, in December, during 13.8 rainfall days, 1.5" (38mm) of precipitation is typically accumulated. In Haliimaile, Hawaii, 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 Haliimaile.Daylight
The month with the shortest days in Haliimaile is December, with an average of 10h and 54min of daylight.On the first day of December, sunrise is at 6:46 am and sunset at 5:43 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 5:55 pm HST.
Sunshine
The month with the least sunshine in Haliimaile is December, with an average of 6.7h of sunshine.UV index
The months with the lowest UV index are January through August, October through December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 6 in December interprets into the following recommendations:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Haliimaile, 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
Haliimaile, 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
Haliimaile, 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
Haliimaile, 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
Haliimaile, 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
Haliimaile, 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
Haliimaile, 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
Haliimaile, 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
Haliimaile, 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
Haliimaile, 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
Haliimaile, 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
Haliimaile, 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).
