December weather forecastNīnole, HI
December
Weather in December
December, the first month of the winter in Nīnole, is also an agreeable month, with an average temperature ranging between max 71.6°F (22°C) and min 66.4°F (19.1°C).Temperature
Nīnole's weather in December displays an average high-temperature of a still pleasant 71.6°F (22°C), showing minor disparity from November's 72.9°F (22.7°C). Nighttime readings in Nīnole during December register a minimal drop from daytime highs, averaging at a refreshing 66.4°F (19.1°C).Humidity
In December, the average relative humidity is 79%.Rainfall
In Nīnole, in December, during 18.4 rainfall days, 2.64" (67mm) of precipitation is typically accumulated. In Nīnole, Hawaii, during the entire year, the rain falls for 227.7 days and collects up to 27.83" (707mm) of precipitation.Daylight
The month with the shortest days is December, with an average of 11h and 0min of daylight.On the first day of the month, sunrise is at 6:39 am and sunset at 5:40 pm. On the last day of December, in Nīnole, sunrise is at 6:55 am and sunset at 5:52 pm HST.
Sunshine
December has the least sunshine of the year, with an average of 6.5h of sunshine.UV index
May through December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the average person.Note: A maximum high UV index of 6 in December translates into the following recommendations:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. 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. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Nīnole, 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
Nīnole, 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
Nīnole, 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
Nīnole, 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
Nīnole, 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
Nīnole, 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
Nīnole, 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 30min
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
Nīnole, 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
Nīnole, 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
Nīnole, 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
Nīnole, 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).
