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 snowfall 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
The introduction of December notes a subtle temperature variation to a still warm 74.5°F (23.6°C) from November's 76.1°F (24.5°C). Keoneoio maintains an average low-temperature of 72°F (22.2°C) throughout December's nights.Humidity
In December, the average relative humidity is 77%.Rainfall
In Keoneoio, in December, it is raining for 13.8 days, with typically 1.5" (38mm) of accumulated precipitation. Throughout the year, there are 136.7 rainfall days, and 13.94" (354mm) of precipitation is accumulated.Snowfall
January through August, October through December are months without snowfall.Daylight
The month with the shortest days is December, with an average of 10h and 54min of daylight.On the first day of December in Keoneoio, Hawaii, sunrise is at 6:46 am and sunset at 5:44 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 5:56 pm HST.
Sunshine
December has the least sunshine of the year in Keoneoio, 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 threat to health from exposure to the Sun's UV rays for the average person.Note: A maximum high daily UV index of 6 during December translates into the following directions:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Frequently asked questions
What are December temperatures in Keoneoio?
What is the average humidity in December in Keoneoio?
How much does it rain in Keoneoio in December?
When it does not snow in Keoneoio?
What is the month with the shortest days in Keoneoio?
What is the average length of the day in December in Keoneoio?
When are sunrise and sunset in December in Keoneoio?
What is the month with the least sunshine in Keoneoio?
How long on average sun shines in December in Keoneoio?
When is the lowest UV index in Keoneoio?
What is the UV index intensity in December in Keoneoio?
Average temperature in December
Keoneoio, 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
Keoneoio, 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
Keoneoio, 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
Keoneoio, 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
Keoneoio, 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
Keoneoio, 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
Keoneoio, 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
Keoneoio, 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 4min
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
Keoneoio, 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
Keoneoio, 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
Keoneoio, 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
Keoneoio, 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).
Keoneoio, Hawaii, USA
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