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 initiation of December sees an average high-temperature of a still warm 75.4°F (24.1°C), showing minor variations from the previous month. Nighttime readings during December register a minimal drop from daytime highs, averaging at an agreeable 71.8°F (22.1°C).Humidity
The months with the highest humidity are June through August, October and December, with an average relative humidity of 77%.Rainfall
In December, in Wainiha, the rain falls for 18.1 days. Throughout December, 2.2" (56mm) of precipitation is accumulated. Throughout the year, there are 218.4 rainfall days, and 22.13" (562mm) of precipitation is accumulated.Daylight
The month with the shortest days is December, with an average of 10h and 48min of daylight.On the first day of the month, sunrise is at 7:01 am and sunset at 5:53 pm. On the last day of December, in Wainiha, sunrise is at 7:17 am and sunset at 6:05 pm HST.
Sunshine
In December, the average sunshine is 6.4h.UV index
The months with the lowest UV index in Wainiha are January through August, October through December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In December, the maximum UV index of 6 translates into these guidelines:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Frequently asked questions
What is the temperature in December in Wainiha?
What is the most humid month in Wainiha?
What is the average humidity in December in Wainiha?
How much does it rain in Wainiha in December?
What is the month with the shortest days in Wainiha?
How many hours of daylight does Wainiha have in December?
When are sunrise and sunset in December in Wainiha?
How long on average sun shines in December in Wainiha?
When is the lowest UV index in Wainiha?
How high is the UV index in December in Wainiha?
Average temperature in December
Wainiha, HI
- Average high temperature in December: 75.4°F
The warmest month (with the highest average high temperature) is September (79.7°F).
The months with the lowest average high temperature are February and March (73.2°F).
- Average low temperature in December: 71.8°F
The month with the highest average low temperature is September (75.9°F).
The coldest month (with the lowest average low temperature) is February (68.5°F).
Average pressure in December
Wainiha, HI
- Average pressure in December: 30.01"Hg
The month with the highest atmospheric pressure is April (30.07"Hg).
The months with the lowest atmospheric pressure are September and October (29.98"Hg).
Average wind speed in December
Wainiha, HI
- Average wind speed in December: 11.2mph
The windiest month (with the highest average wind speed) is July (12.3mph).
The calmest month (with the lowest average wind speed) is January (10mph).
Average humidity in December
Wainiha, HI
- Average humidity in December: 77%
The months with the highest relative humidity are June, July, August, October and December (77%).
The month with the lowest relative humidity is January (75%).
Average rainfall in December
Wainiha, HI
- Average rainfall in December: 2.2"
The wettest month (with the highest rainfall) is March (2.52").
The driest month (with the least rainfall) is April (1.3").
Average rainfall days in December
Wainiha, HI
- Average rainfall days in December: 18.1 days
The month with the highest number of rainy days is August (21.1 days).
The month with the least rainy days is January (12.5 days).
Average daylight in December /
Average sunshine in December
Wainiha, HI
- Average daylight in December: 10h and 5min
The month with the longest days is June (Average daylight: 13h and 30min).
The month with the shortest days is December (Average daylight: 10h and 48min).
- Average sunshine in December: 6h and 2min
The month with the most sunshine is June (Average sunshine: 9h and 42min).
The month with the least sunshine is November (Average sunshine: 6h and 12min).
Average sunshine days in December
Wainiha, HI
- Average sunshine days in December: 6.7 days
The month with the most sunshine days is January (12.8 days).
The month with the least sunshine days is August (2.9 days).
Average UV index in December
Wainiha, HI
- Average UV index in December: 6
The month with the highest UV index is September (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, October, November and December (UV index 6).
Average cloud cover in December
Wainiha, HI
- Average cloud cover in December: 42
The month with the most cloud cover is March (Cloud cover 47).
The months with the least cloud cover are January and September (Cloud cover 38).
Average visibility in December
Wainiha, 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).
Wainiha, Hawaii, USA
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