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
Wahiawa's weather in December indicates an average high-temperature of a still moderately hot 76.5°F (24.7°C), nearly consistent with the 79.2°F (26.2°C) of November. The low temperature average during December reflects a slight decrease to a pleasant 69.4°F (20.8°C) from the day's peak.Humidity
February and December, with an average relative humidity of 77%, are the most humid months.Rainfall
In Wahiawa, in December, during 18.8 rainfall days, 1.97" (50mm) of precipitation is typically accumulated. Throughout the year, in Wahiawa, there are 252.2 rainfall days, and 22.09" (561mm) of precipitation is accumulated.Daylight
December has the shortest days of the year in Wahiawa, Hawaii, with an average of 10h and 48min of daylight.On the first day of December in Wahiawa, sunrise is at 6:54 am and sunset at 5:48 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 6:01 pm HST.
Sunshine
The average sunshine in December is 5.7h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The daily high UV index of 5 during December translates into the following recommendations:
Take precautions - Protection against skin and eye damage is obliged. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Frequently asked questions
What is the temperature in December in Wahiawa?
What are the most humid months in Wahiawa?
What is the average humidity in December in Wahiawa?
How much does it rain in Wahiawa in December?
What is the month with the shortest days in Wahiawa?
What is the average length of the day in December in Wahiawa?
When are sunrise and sunset in December in Wahiawa?
How many hours of sunshine does Wahiawa have in December?
What are the months with the lowest UV index in Wahiawa?
What is the UV index reading in December in Wahiawa?
Average temperature in December
Wahiawa, HI
- Average high temperature in December: 76.5°F
The warmest month (with the highest average high temperature) is August (82.6°F).
The month with the lowest average high temperature is February (75.6°F).
- Average low temperature in December: 69.4°F
The month with the highest average low temperature is September (74.3°F).
The coldest month (with the lowest average low temperature) is February (66.7°F).
Average pressure in December
Wahiawa, 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
Wahiawa, HI
- Average wind speed in December: 8.1mph
The windiest months (with the highest average wind speed) are June and July (10.2mph).
The calmest month (with the lowest average wind speed) is October (7.6mph).
Average humidity in December
Wahiawa, HI
- Average humidity in December: 77%
The months with the highest relative humidity are February and December (77%).
The month with the lowest relative humidity is September (73%).
Average rainfall in December
Wahiawa, HI
- Average rainfall in December: 1.97"
The wettest month (with the highest rainfall) is October (2.6").
The driest month (with the least rainfall) is July (1.26").
Average rainfall days in December
Wahiawa, HI
- Average rainfall days in December: 18.8 days
The month with the highest number of rainy days is August (23.8 days).
The month with the least rainy days is January (16 days).
Average daylight in December /
Average sunshine in December
Wahiawa, 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 48min).
- Average sunshine in December: 5h and 4min
The month with the most sunshine is June (Average sunshine: 8h and 24min).
The month with the least sunshine is November (Average sunshine: 5h and 36min).
Average sunshine days in December
Wahiawa, HI
- Average sunshine days in December: 7.4 days
The month with the most sunshine days is January (10.8 days).
The month with the least sunshine days is August (3.3 days).
Average UV index in December
Wahiawa, HI
- Average UV index in December: 5
The months with the highest UV index are March, April, May, June, July, August, September, October and November (UV index 6).
The months with the lowest UV index are January, February and December (UV index 5).
Average cloud cover in December
Wahiawa, HI
- Average cloud cover in December: 47
The month with the most cloud cover is June (Cloud cover 52).
The month with the least cloud cover is January (Cloud cover 43).
Average visibility in December
Wahiawa, 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).
Wahiawa, Hawaii, USA
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