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, Waikane observes an average high-temperature of a still moderately hot 76.1°F (24.5°C), differing subtly from the previous month. Nights in December showcase an average temperature of 72°F (22.2°C), slightly cooler than the daytime.Humidity
The months with the highest humidity are February through April, July, August, October and December, with an average relative humidity of 76%.Rainfall
In Waikane, during December, the rain falls for 15.9 days and regularly aggregates up to 1.77" (45mm) of precipitation. In Waikane, during the entire year, the rain falls for 187.1 days and collects up to 15.83" (402mm) of precipitation.Daylight
With an average of 10h and 54min 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
With an average of 6.3h of sunshine, December has the least sunshine of the year in Waikane.UV index
The months with the lowest UV index are January through June, October through December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In December, a daily maximum UV index of 6 leads to the following instructions:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. 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. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
What are the most humid months?
What is the average humidity in December?
How much does it rain in December?
What is the month with the shortest days?
How many hours of daylight does Waikane have in December?
When are sunrise and sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December in Waikane?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Waikane, HI
- Average high temperature in December: 76.1°F
The warmest months (with the highest average high temperature) are August and September (81°F).
The month with the lowest average high temperature is February (74.3°F).
- Average low temperature in December: 72°F
The month with the highest average low temperature is August (76.6°F).
The coldest month (with the lowest average low temperature) is February (69.6°F).
Average pressure in December
Waikane, 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
Waikane, HI
- Average wind speed in December: 11.4mph
The windiest month (with the highest average wind speed) is July (13.5mph).
The calmest month (with the lowest average wind speed) is January (10.3mph).
Average humidity in December
Waikane, HI
- Average humidity in December: 76%
The months with the highest relative humidity are February, March, April, July, August, October and December (76%).
The months with the lowest relative humidity are January, May, June, September and November (75%).
Average rainfall in December
Waikane, HI
- Average rainfall in December: 1.77"
The wettest month (with the highest rainfall) is March (2.01").
The driest month (with the least rainfall) is July (0.71").
Average rainfall days in December
Waikane, HI
- Average rainfall days in December: 15.9 days
The month with the highest number of rainy days is March (18.3 days).
The month with the least rainy days is June (13.5 days).
Average daylight in December /
Average sunshine in December
Waikane, 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 54min).
- Average sunshine in December: 6h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).
Average sunshine days in December
Waikane, HI
- Average sunshine days in December: 8.2 days
The month with the most sunshine days is June (12.2 days).
The month with the least sunshine days is April (6.5 days).
Average UV index in December
Waikane, 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
Waikane, HI
- Average cloud cover in December: 37
The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is September (Cloud cover 32).
Average visibility in December
Waikane, 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).
Waikane, Hawaii, USA
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