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
Kalaupapa's weather in December, with an average high-temperature of a still moderately hot 75.9°F (24.4°C), subtly shifts from November's 78.1°F (25.6°C). Kalaupapa indicates a consistently low-temperature of 73.6°F (23.1°C) during the nights of December.Humidity
In Kalaupapa, the average relative humidity in December is 75%.Rainfall
In Kalaupapa, in December, it is raining for 11.4 days, with typically 1.22" (31mm) of accumulated precipitation. Throughout the year, there are 126.4 rainfall days, and 9.84" (250mm) of precipitation is accumulated.Ocean temperature
In Kalaupapa, in December, the average water temperature is 77°F (25°C).Note: In water activities such as swimming and diving, temperatures from 77°F (25°C) to 84.2°F (29°C) are deemed highly pleasurable for extended periods without any unease.
Daylight
December has the shortest days of the year, with an average of 10h and 54min of daylight.On the first day of December, sunrise is at 6:49 am and sunset at 5:45 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 5:57 pm HST.
Sunshine
The month with the least sunshine is December, 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 estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for average individuals.Note: A daily high UV index of 6 in December leads to these guidelines:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Warning! The Sun's UV rays intensify with reflections from sand and water.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
What is the average humidity in December?
How many days does it rain in December?
What is the water temperature in December?
What is the month with the shortest days?
How many hours of daylight does Kalaupapa have in December?
What time are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Kalaupapa have in December?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
Kalaupapa, 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
Kalaupapa, 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
Kalaupapa, 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
Kalaupapa, 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
Kalaupapa, 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
Kalaupapa, 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
Kalaupapa, HI
- Average sea temperature in December: 77°F
The best month for swimming (with the highest average sea temperature) is September (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
Kalaupapa, 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
Kalaupapa, 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
Kalaupapa, 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
Kalaupapa, 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
Kalaupapa, 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).
Kalaupapa, Hawaii, USA
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