December weather forecastPuako, HI
December
Weather in December
Wrapping up the year, December carries forth the pleasant weather conditions of its preceding months. The occasional showers, measuring to 0.67" (17mm), continue providing respite and freshness to the surroundings. The moderate climate, complemented by gentle breezes, offers an ideal weather scenario, full circle, ready to welcome the New Year with open arms.Temperature
December is marked by an average high-temperature of a still warm 74.8°F (23.8°C), almost identical to the preceding month. Throughout December, a minimal difference from peak daytime temperatures is noted, marking a steady low-temperature average of 71.1°F (21.7°C).Humidity
The average relative humidity in December is 73%.Rainfall
In Puako, in December, it is raining for 9.4 days, with typically 0.67" (17mm) of accumulated precipitation. Throughout the year, there are 136 rainfall days, and 8.5" (216mm) of precipitation is accumulated.Daylight
The month with the shortest days is December, with an average of 10h and 54min of daylight.On the first day of the month, sunrise is at 6:42 am and sunset at 5:42 pm. On the last day of December, sunrise is at 6:58 am and sunset at 5:55 pm HST.
Sunshine
The month with the least sunshine is December, with an average of 7.4h of sunshine.UV index
The months with the highest UV index are January through December, with an average maximum UV index of 6. January through December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 6 in December converts into the following recommendations:
Deter overexposure. Protecting against the sun's effects is essential. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Puako, HI
- Average high temperature in December: 74.8°F
The warmest month (with the highest average high temperature) is August (78.4°F).
The month with the lowest average high temperature is February (73.2°F).
- Average low temperature in December: 71.1°F
The months with the highest average low temperature are August, September and October (74.8°F).
The coldest month (with the lowest average low temperature) is March (69.4°F).
Average pressure in December
Puako, HI
- Average pressure in December: 29.99"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
Puako, HI
- Average wind speed in December: 5.5mph
The windiest month (with the highest average wind speed) is February (6.2mph).
The calmest month (with the lowest average wind speed) is July (5mph).
Average humidity in December
Puako, HI
- Average humidity in December: 73%
The months with the highest relative humidity are June, July and August (77%).
The month with the lowest relative humidity is February (71%).
Average rainfall in December
Puako, HI
- Average rainfall in December: 0.67"
The wettest month (with the highest rainfall) is February (0.98").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in December
Puako, HI
- Average rainfall days in December: 9.4 days
The month with the highest number of rainy days is May (14.4 days).
The month with the least rainy days is February (8.1 days).
Average daylight in December /
Average sunshine in December
Puako, HI
- Average daylight in December: 10h and 54min
The month with the longest days is June (Average daylight: 13h and 18min).
The month with the shortest days is December (Average daylight: 10h and 54min).
- Average sunshine in December: 7h and 24min
The month with the most sunshine is June (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 7h and 24min).
Average sunshine days in December
Puako, HI
- Average sunshine days in December: 12.3 days
The month with the most sunshine days is January (14.5 days).
The month with the least sunshine days is October (6.8 days).
Average UV index in December
Puako, 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
Puako, HI
- Average cloud cover in December: 15
The months with the most cloud cover are April, May and June (Cloud cover 21).
The month with the least cloud cover is January (Cloud cover 12).
Average visibility in December
Puako, 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).
