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
Transitioning from November to December, Kaumakani observes an average high-temperature of a still warm 75.7°F (24.3°C), differing subtly from the previous month. Throughout December, Kaumakani records a steady low-temperature average of 72.1°F (22.3°C), a minor decrease from its daytime counterpart.Humidity
The months with the highest humidity are February through April, June through August, October and December, with an average relative humidity of 75%.Rainfall
In Kaumakani, in December, during 14.6 rainfall days, 1.57" (40mm) of precipitation is typically accumulated. Throughout the year, there are 172.7 rainfall days, and 15.75" (400mm) of precipitation is accumulated.Daylight
The month with the shortest days is December, with an average of 10h and 48min of daylight.On the first day of December, sunrise is at 7:01 am and sunset at 5:54 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 6:06 pm HST.
Sunshine
The average sunshine in December is 7.5h.UV index
January through June, October through December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The daily high UV index of 6 in December translates into this advice:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature?
What is the most humid month?
What is the average humidity in December?
How much does it rain in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Kaumakani, HI
- Average high temperature in December: 75.7°F
The warmest month (with the highest average high temperature) is August (80.8°F).
The months with the lowest average high temperature are February and March (73.4°F).
- Average low temperature in December: 72.1°F
The month with the highest average low temperature is September (76.3°F).
The coldest month (with the lowest average low temperature) is February (69.1°F).
Average pressure in December
Kaumakani, HI
- Average pressure in December: 30.01"Hg
The months with the highest atmospheric pressure are March and April (30.06"Hg).
The months with the lowest atmospheric pressure are September and October (29.98"Hg).
Average wind speed in December
Kaumakani, HI
- Average wind speed in December: 9.8mph
The windiest month (with the highest average wind speed) is March (10.7mph).
The calmest month (with the lowest average wind speed) is May (8.6mph).
Average humidity in December
Kaumakani, HI
- Average humidity in December: 75%
The months with the highest relative humidity are February, March, April, June, July, August, October and December (75%).
The months with the lowest relative humidity are January, May, September and November (74%).
Average rainfall in December
Kaumakani, HI
- Average rainfall in December: 1.57"
The wettest month (with the highest rainfall) is March (2.2").
The driest month (with the least rainfall) is July (0.63").
Average rainfall days in December
Kaumakani, HI
- Average rainfall days in December: 14.6 days
The month with the highest number of rainy days is March (16.8 days).
The month with the least rainy days is January (11.5 days).
Average daylight in December /
Average sunshine in December
Kaumakani, HI
- Average daylight in December: 10h and 5min
The month with the longest days is June (Average daylight: 13h and 30min).
The month with the shortest days is December (Average daylight: 10h and 48min).
- Average sunshine in December: 7h and 3min
The month with the most sunshine is June (Average sunshine: 11h and 0min).
The month with the least sunshine is November (Average sunshine: 7h and 6min).
Average sunshine days in December
Kaumakani, HI
- Average sunshine days in December: 9.5 days
The month with the most sunshine days is January (13.8 days).
The month with the least sunshine days is November (6.7 days).
Average UV index in December
Kaumakani, HI
- Average UV index in December: 6
The months with the highest UV index are July, August and September (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, October, November and December (UV index 6).
Average cloud cover in December
Kaumakani, HI
- Average cloud cover in December: 31
The month with the most cloud cover is March (Cloud cover 35).
The months with the least cloud cover are January and September (Cloud cover 28).
Average visibility in December
Kaumakani, 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).
Kaumakani, Hawaii, USA
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