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 sea temperature 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 beginning of December records an average high-temperature of a still warm 75.9°F (24.4°C), almost echoing the conditions of the previous month. Maunaloa, in December, registers a nighttime average temperature of 73.6°F (23.1°C).Humidity
In December, the average relative humidity in Maunaloa is 75%.Rainfall
In Maunaloa, during December, the rain falls for 11.4 days and regularly aggregates up to 1.22" (31mm) of precipitation. In Maunaloa, during the entire year, the rain falls for 126.4 days and collects up to 9.84" (250mm) of precipitation.Ocean temperature
In Maunaloa, Hawaii, in December, the average water temperature is 77°F (25°C).Note: Surface water temperatures between 77°F (25°C) and 84.2°F (29°C) offer outstanding conditions for any water activity, providing extreme pleasure for extended periods.
Daylight
December has the shortest days of the year, with an average of 10h and 54min of daylight.On the first day of December in Maunaloa, sunrise is at 6:50 am and sunset at 5:46 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 5:58 pm HST.
Sunshine
December has the least sunshine of the year, with an average of 6.8h of sunshine.UV index
January through May, November and 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 radiation for average individuals.Note: The maximum UV index, 6 during December, leads to the following recommendations:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Boost your sun resistance with garments that are densely woven yet spacious. Caution! The mirror effect of sand and water ups the UV radiation strength.
Frequently asked questions
What is the average December temperature in Maunaloa?
What is the average humidity in December in Maunaloa?
How much does it rain in Maunaloa in December?
What is the ocean temperature in December in Maunaloa?
What is the month with the shortest days in Maunaloa?
How many hours of daylight does Maunaloa have in December?
When is the sunrise / sunset in December in Maunaloa?
What is the month with the least sunshine in Maunaloa?
How many hours of sunshine does Maunaloa have in December?
When is the lowest UV index in Maunaloa?
How high is the UV index in December in Maunaloa?
Average temperature in December
Maunaloa, HI
- Average high temperature in December: 75.9°F
The warmest months (with the highest average high temperature) are August and September (80.2°F).
The month with the lowest average high temperature is February (74.3°F).
- Average low temperature in December: 73.6°F
The months with the highest average low temperature are September and October (77.2°F).
The coldest month (with the lowest average low temperature) is March (71.2°F).
Average pressure in December
Maunaloa, HI
- Average pressure in December: 29.99"Hg
The months with the highest atmospheric pressure are March and April (30.05"Hg).
The months with the lowest atmospheric pressure are September and October (29.97"Hg).
Average wind speed in December
Maunaloa, HI
- Average wind speed in December: 12mph
The windiest month (with the highest average wind speed) is July (13.9mph).
The calmest month (with the lowest average wind speed) is January (10.8mph).
Average humidity in December
Maunaloa, HI
- Average humidity in December: 75%
The months with the highest relative humidity are April, May, June, July and August (76%).
The months with the lowest relative humidity are January and November (74%).
Average rainfall in December
Maunaloa, HI
- Average rainfall in December: 1.22"
The wettest month (with the highest rainfall) is March (1.3").
The driest month (with the least rainfall) is July (0.31").
Average rainfall days in December
Maunaloa, HI
- Average rainfall days in December: 11.4 days
The month with the highest number of rainy days is March (13.2 days).
The month with the least rainy days is July (8.5 days).
Average sea temperature in December
Maunaloa, HI
- Average sea temperature in December: 77°F
The best months for swimming (with the highest average sea temperature) are September and October (81°F).
The coldest months (with the lowest average sea temperature) are January, February, March and April (75°F).
Average daylight in December /
Average sunshine in December
Maunaloa, 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 5min
The month with the most sunshine is June (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days in December
Maunaloa, HI
- Average sunshine days in December: 12.5 days
The month with the most sunshine days is July (16.1 days).
The month with the least sunshine days is November (10.8 days).
Average UV index in December
Maunaloa, HI
- Average UV index in December: 6
The months with the highest UV index are June, July, August, September and October (UV index 7).
The months with the lowest UV index are January, February, March, April, May, November and December (UV index 6).
Average cloud cover in December
Maunaloa, HI
- Average cloud cover in December: 27
The months with the most cloud cover are February and March (Cloud cover 30).
The month with the least cloud cover is September (Cloud cover 23).
Average visibility in December
Maunaloa, 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).
Maunaloa, Hawaii, USA
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