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
During January, the average high-temperature is a still moderately hot 75.4°F (24.1°C), maintaining a close resemblance to that of the preceding month. During January, Kahuku's nighttime temperatures demonstrate a subtle cooling from daytime highs, stabilizing at an agreeable 70°F (21.1°C).Humidity
January, April, May, September and November, with an average relative humidity of 75%, are the least humid months.Rainfall
In Kahuku, in January, it is raining for 15.6 days, with typically 1.26" (32mm) of accumulated precipitation. Throughout the year, there are 215.6 rainfall days, and 16.38" (416mm) of precipitation is accumulated.Daylight
In Kahuku, the average length of the day in January is 10h and 59min.On the first day of January, sunrise is at 7:10 am and sunset at 6:00 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 6:20 pm HST.
Sunshine
The average sunshine in January is 8h.UV index
January through June, August, October through December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 6 in January converts into the following recommendations:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in January?
What are the least humid months?
What is the average humidity in January?
How many days does it rain in January?
What is the average length of the day in January?
When is the sunrise / sunset in January in Kahuku?
How many hours of sunshine does Kahuku have in January?
What are the months with the lowest UV index?
How high is the UV index in January?
Average temperature in January
Kahuku, HI
- Average high temperature in January: 75.4°F
The warmest month (with the highest average high temperature) is September (81.3°F).
The month with the lowest average high temperature is February (74.1°F).
- Average low temperature in January: 70°F
The month with the highest average low temperature is September (76.1°F).
The coldest month (with the lowest average low temperature) is February (69.1°F).
Average pressure in January
Kahuku, HI
- Average pressure in January: 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 January
Kahuku, HI
- Average wind speed in January: 10.2mph
The windiest month (with the highest average wind speed) is July (13.4mph).
The calmest month (with the lowest average wind speed) is January (10.2mph).
Average humidity in January
Kahuku, HI
- Average humidity in January: 75%
The month with the highest relative humidity is December (77%).
The months with the lowest relative humidity are January, April, May, September and November (75%).
Average rainfall in January
Kahuku, HI
- Average rainfall in January: 1.26"
The wettest month (with the highest rainfall) is March (2.09").
The driest month (with the least rainfall) is July (0.75").
Average rainfall days in January
Kahuku, HI
- Average rainfall days in January: 15.6 days
The month with the highest number of rainy days is March (21 days).
The month with the least rainy days is January (15.6 days).
Average daylight in January /
Average sunshine in January
Kahuku, HI
- Average daylight in January: 11h and 0min
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 48min).
- Average sunshine in January: 8h and 0min
The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in January
Kahuku, HI
- Average sunshine days in January: 10.1 days
The month with the most sunshine days is January (10.1 days).
The month with the least sunshine days is November (3.5 days).
Average UV index in January
Kahuku, HI
- Average UV index in January: 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 January
Kahuku, HI
- Average cloud cover in January: 39
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 39).
Average visibility in January
Kahuku, 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).
Kahuku, Hawaii, USA
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