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
As Honomu welcomes December, the average high-temperature records at a still pleasant 71.6°F (22°C), marking an insignificant deviation from the prior month. During December, Honomu perceives a slight decrease in temperature from daytime highs, settling at an average low of 66.4°F (19.1°C).Humidity
In December, the average relative humidity is 79%.Rainfall
In December, the rain falls for 18.4 days. Throughout December, 2.64" (67mm) of precipitation is accumulated. Throughout the year, there are 227.7 rainfall days, and 27.83" (707mm) of precipitation is accumulated.Daylight
With an average of 11h and 0min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 6:39 am and sunset at 5:40 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 5:52 pm HST.
Sunshine
With an average of 6.5h of sunshine, December has the least sunshine of the year.UV index
May through December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, the maximum UV index of 6 suggests these recommendations:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
What is the average humidity in December?
How many days does it rain in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Honomu have in December?
What are the months with the highest UV index?
How high is the UV index in December?
Average temperature in December
Honomu, HI
- Average high temperature in December: 71.6°F
The warmest month (with the highest average high temperature) is August (75.4°F).
The month with the lowest average high temperature is March (69.6°F).
- Average low temperature in December: 66.4°F
The month with the highest average low temperature is September (70°F).
The coldest month (with the lowest average low temperature) is March (64°F).
Average pressure in December
Honomu, HI
- Average pressure in December: 29.99"Hg
The month with the highest atmospheric pressure is April (30.05"Hg).
The months with the lowest atmospheric pressure are September and October (29.97"Hg).
Average wind speed in December
Honomu, HI
- Average wind speed in December: 6.9mph
The windiest month (with the highest average wind speed) is August (7.6mph).
The calmest month (with the lowest average wind speed) is October (6.7mph).
Average humidity in December
Honomu, HI
- Average humidity in December: 79%
The month with the highest relative humidity is March (80%).
The months with the lowest relative humidity are January, May, June and July (78%).
Average rainfall in December
Honomu, HI
- Average rainfall in December: 2.64"
The wettest month (with the highest rainfall) is February (3.78").
The driest month (with the least rainfall) is June (1.1").
Average rainfall days in December
Honomu, HI
- Average rainfall days in December: 18.4 days
The month with the highest number of rainy days is March (22.9 days).
The month with the least rainy days is January (13.3 days).
Average daylight in December /
Average sunshine in December
Honomu, HI
- Average daylight in December: 11h and 0min
The month with the longest days is June (Average daylight: 13h and 18min).
The month with the shortest days is December (Average daylight: 11h and 0min).
- Average sunshine in December: 6h and 3min
The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).
Average sunshine days in December
Honomu, HI
- Average sunshine days in December: 6.2 days
The month with the most sunshine days is January (12.1 days).
The month with the least sunshine days is August (1.8 days).
Average UV index in December
Honomu, HI
- Average UV index in December: 6
The months with the highest UV index are May, June, July, August, September, October, November and December (UV index 6).
The months with the lowest UV index are January, February, March and April (UV index 5).
Average cloud cover in December
Honomu, HI
- Average cloud cover in December: 33
The month with the most cloud cover is March (Cloud cover 42).
The month with the least cloud cover is January (Cloud cover 26).
Average visibility in December
Honomu, 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).
Honomu, Hawaii, USA
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