December weather forecastHolualoa, HI
December
Weather in December
With the arrival of December, the year concludes on a slightly cooler note in Holualoa, Hawaii as the average high temperature drops to 74.1°F (23.4°C). Yet, winters remain mild compared to mainland United States regions, making it a perfect holiday destination. December offers an idyllic, tropical winter experience marked by warm days and cooler nights, complemented by a festive atmosphere.Temperature
Holualoa indicates an average high-temperature of a still warm 74.1°F (23.4°C) in December, showing minor variation from November's 76.1°F (24.5°C). Nighttime temperatures during December report a consistent average of 71.1°F (21.7°C).Humidity
The average relative humidity in December is 74%.Rainfall
In December, the rain falls for 11.2 days. Throughout December, 0.67" (17mm) of precipitation is accumulated. Throughout the year, in Holualoa, there are 152.6 rainfall days, and 9.53" (242mm) of precipitation is accumulated.Daylight
The month with the shortest days in Holualoa is December, with an average of 11h and 0min of daylight.On the first day of the month, sunrise is at 6:42 am and sunset at 5:44 pm. On the last day of December, in Holualoa, sunrise is at 6:58 am and sunset at 5:56 pm HST.
Sunshine
With an average of 7.4h of sunshine, December has the least sunshine of the year in Holualoa.UV index
January through December, with an average maximum UV index of 6, are months with the highest UV index. January through December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the average person.Note: A maximum daily UV index of 6 during December morphs into the following directions:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Holualoa, HI
- Average high temperature in December: 74.1°F
The warmest month (with the highest average high temperature) is August (77.5°F).
The month with the lowest average high temperature is February (72.7°F).
- Average low temperature in December: 71.1°F
The months with the highest average low temperature are August and October (74.3°F).
The coldest month (with the lowest average low temperature) is January (69.3°F).
Average pressure in December
Holualoa, HI
- Average pressure in December: 29.98"Hg
The month with the highest atmospheric pressure is April (30.04"Hg).
The months with the lowest atmospheric pressure are September and October (29.96"Hg).
Average wind speed in December
Holualoa, HI
- Average wind speed in December: 5.5mph
The windiest months (with the highest average wind speed) are April and May (6.2mph).
The calmest months (with the lowest average wind speed) are July and December (5.5mph).
Average humidity in December
Holualoa, HI
- Average humidity in December: 74%
The months with the highest relative humidity are July and August (79%).
The month with the lowest relative humidity is February (71%).
Average rainfall in December
Holualoa, HI
- Average rainfall in December: 0.67"
The wettest month (with the highest rainfall) is September (1.02").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in December
Holualoa, HI
- Average rainfall days in December: 11.2 days
The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is January (8.3 days).
Average daylight in December /
Average sunshine in December
Holualoa, 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: 7h and 24min
The month with the most sunshine is May (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 7h and 24min).
Average sunshine days in December
Holualoa, HI
- Average sunshine days in December: 12.9 days
The month with the most sunshine days is January (17.6 days).
The month with the least sunshine days is May (6.7 days).
Average UV index in December
Holualoa, HI
- Average UV index in December: 6
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 6).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 6).
Average cloud cover in December
Holualoa, HI
- Average cloud cover in December: 15
The months with the most cloud cover are June and July (Cloud cover 24).
The month with the least cloud cover is January (Cloud cover 12).
Average visibility in December
Holualoa, 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).
