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 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 arrival of December sees a recorded average high-temperature of a still warm 76.6°F (24.8°C), showing little divergence from the previous month's conditions. A consistent average low of 71.2°F (21.8°C) is noted in Makaha Valley throughout December, only a small step down from its daytime high.Humidity
The months with the highest humidity in Makaha Valley are February and December, with an average relative humidity of 76%.Rainfall
In December, in Makaha Valley, the rain falls for 14.5 days. Throughout December, 1.06" (27mm) of precipitation is accumulated. In Makaha Valley, during the entire year, the rain falls for 190.2 days and collects up to 11.65" (296mm) of precipitation.Daylight
With an average of 10h and 54min of daylight, December has the shortest days of the year.On the first day of December in Makaha Valley, sunrise is at 6:54 am and sunset at 5:49 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 6:01 pm HST.
Sunshine
The average sunshine in December is 6.3h.UV index
January through June, August, October through December, with an average maximum UV index of 6, are months with the lowest UV index in Makaha Valley. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A daily high UV index of 6 in December leads to these guidelines:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Frequently asked questions
What are December temperatures in Makaha Valley?
What are the most humid months in Makaha Valley?
What is the average humidity in December in Makaha Valley?
How much does it rain in Makaha Valley in December?
What is the month with the shortest days in Makaha Valley?
How many hours of daylight does Makaha Valley have in December?
When are sunrise and sunset in December in Makaha Valley?
How many hours of sunshine does Makaha Valley have in December?
When is the lowest UV index in Makaha Valley?
What is the UV index reading in December in Makaha Valley?
Average temperature in December
Makaha Valley, HI
- Average high temperature in December: 76.6°F
The warmest month (with the highest average high temperature) is September (81.7°F).
The month with the lowest average high temperature is February (75°F).
- Average low temperature in December: 71.2°F
The months with the highest average low temperature are August and September (75.7°F).
The coldest month (with the lowest average low temperature) is February (68.5°F).
Average pressure in December
Makaha Valley, HI
- Average pressure in December: 30"Hg
The month with the highest atmospheric pressure is April (30.06"Hg).
The month with the lowest atmospheric pressure is October (29.97"Hg).
Average wind speed in December
Makaha Valley, HI
- Average wind speed in December: 9.7mph
The windiest month (with the highest average wind speed) is July (11.6mph).
The calmest month (with the lowest average wind speed) is January (9mph).
Average humidity in December
Makaha Valley, HI
- Average humidity in December: 76%
The months with the highest relative humidity are February and December (76%).
The months with the lowest relative humidity are May and September (74%).
Average rainfall in December
Makaha Valley, HI
- Average rainfall in December: 1.06"
The wettest months (with the highest rainfall) are February and October (1.34").
The driest month (with the least rainfall) is July (0.63").
Average rainfall days in December
Makaha Valley, HI
- Average rainfall days in December: 14.5 days
The month with the highest number of rainy days is March (17.7 days).
The month with the least rainy days is January (12.5 days).
Average daylight in December /
Average sunshine in December
Makaha Valley, 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 2min
The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is November (Average sunshine: 6h and 12min).
Average sunshine days in December
Makaha Valley, HI
- Average sunshine days in December: 10.4 days
The month with the most sunshine days is January (12.9 days).
The month with the least sunshine days is September (6.5 days).
Average UV index in December
Makaha Valley, HI
- Average UV index in December: 6
The months with the highest UV index are July and September (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, August, October, November and December (UV index 6).
Average cloud cover in December
Makaha Valley, HI
- Average cloud cover in December: 40
The month with the most cloud cover is March (Cloud cover 44).
The months with the least cloud cover are January and September (Cloud cover 37).
Average visibility in December
Makaha Valley, 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).
Makaha Valley, Hawaii, USA
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