Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
Kapaau's weather in January displays an average high-temperature of a still enjoyable 63°F (17.2°C), equating to December's conditions. An average low-temperature of 52.9°F (11.6°C) is noted in Kapaau during the month of January.Humidity
In January, the average relative humidity is 79%.Rainfall
In Kapaau, in January, during 17.1 rainfall days, 1.69" (43mm) of precipitation is typically accumulated. In Kapaau, during the entire year, the rain falls for 280.8 days and collects up to 33.9" (861mm) of precipitation.Daylight
In January, the average length of the day in Kapaau is 11h and 4min.On the first day of January in Kapaau, Hawaii, sunrise is at 6:58 am and sunset at 5:54 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 6:14 pm HST.
Sunshine
In Kapaau, the average sunshine in January is 8.3h.UV index
The months with the lowest UV index in Kapaau are January through April, November and December, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.Note: In January, the average maximum UV index of 4 translates into the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. When the Sun is at its strongest around midday, find shade and limit exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Frequently asked questions
What is the usual temperature for Kapaau in January?
What is the average humidity in January in Kapaau?
How much does it rain in Kapaau in January?
What is the average length of the day in January in Kapaau?
When are sunrise and sunset in January in Kapaau?
How many hours of sunshine does Kapaau have in January?
What are the months with the lowest UV index in Kapaau?
What is the UV index intensity in January in Kapaau?
Average temperature in January
Kapaau, HI
- Average high temperature in January: 63°F
The warmest month (with the highest average high temperature) is August (67.5°F).
The month with the lowest average high temperature is March (61.9°F).
- Average low temperature in January: 52.9°F
The month with the highest average low temperature is September (59°F).
The coldest month (with the lowest average low temperature) is February (52°F).
Average pressure in January
Kapaau, HI
- Average pressure in January: 30"Hg
The month with the highest atmospheric pressure is April (30.05"Hg).
The months with the lowest atmospheric pressure are September and October (29.97"Hg).
Average wind speed in January
Kapaau, HI
- Average wind speed in January: 4.5mph
The windiest months (with the highest average wind speed) are July and August (5.5mph).
The calmest months (with the lowest average wind speed) are January, May and October (4.5mph).
Average humidity in January
Kapaau, HI
- Average humidity in January: 79%
The months with the highest relative humidity are September and October (84%).
The month with the lowest relative humidity is February (78%).
Average rainfall in January
Kapaau, HI
- Average rainfall in January: 1.69"
The wettest month (with the highest rainfall) is August (4.13").
The driest month (with the least rainfall) is June (1.57").
Average rainfall days in January
Kapaau, HI
- Average rainfall days in January: 17.1 days
The month with the highest number of rainy days is September (27.3 days).
The month with the least rainy days is January (17.1 days).
Average daylight in January /
Average sunshine in January
Kapaau, HI
- Average daylight in January: 11h and 1min
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 January: 8h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).
Average sunshine days in January
Kapaau, HI
- Average sunshine days in January: 9.7 days
The month with the most sunshine days is January (9.7 days).
The month with the least sunshine days is September (0.8 days).
Average UV index in January
Kapaau, HI
- Average UV index in January: 4
The months with the highest UV index are May, June, July, August, September and October (UV index 5).
The months with the lowest UV index are January, February, March, April, November and December (UV index 4).
Average cloud cover in January
Kapaau, HI
- Average cloud cover in January: 29
The months with the most cloud cover are April and September (Cloud cover 43).
The month with the least cloud cover is January (Cloud cover 29).
Average visibility in January
Kapaau, HI
- Average visibility in January: 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).
Kapaau, Hawaii, USA
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