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
In January, the average high-temperature registers at a still warm 75.2°F (24°C), nearly identical to December's 75.9°F (24.4°C). The January nights show a slight decrease to a mean low-temperature of 72.1°F (22.3°C).Humidity
The months with the lowest humidity are January and November, with an average relative humidity of 74%.Rainfall
In Kualapuu, in January, it is raining for 10.3 days, with typically 0.87" (22mm) of accumulated precipitation. In Kualapuu, during the entire year, the rain falls for 126.4 days and collects up to 9.84" (250mm) of precipitation.Daylight
The average length of the day in January is 11h and 1min.On the first day of the month, sunrise is at 7:05 am and sunset at 5:58 pm. On the last day of January, sunrise is at 7:05 am and sunset at 6:17 pm HST.
Sunshine
The average sunshine in January is 8.7h.UV index
The months with the lowest UV index are January through May, November and December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 6 during January leads to these advisories:
Deter overexposure. Protecting against the sun's effects is essential. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Kualapuu in January?
What is the least humid month?
What is the average humidity in January in Kualapuu?
How many days does it rain in January?
How many hours of daylight does Kualapuu have in January?
When is the sunrise / sunset in January?
How many hours of sunshine does Kualapuu have in January?
What are the months with the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Kualapuu, HI
- Average high temperature in January: 75.2°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 January: 72.1°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 January
Kualapuu, HI
- Average pressure in January: 30"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 January
Kualapuu, HI
- Average wind speed in January: 10.8mph
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 January
Kualapuu, HI
- Average humidity in January: 74%
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 January
Kualapuu, HI
- Average rainfall in January: 0.87"
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 January
Kualapuu, HI
- Average rainfall days in January: 10.3 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 daylight in January /
Average sunshine in January
Kualapuu, 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 54min).
- Average sunshine in January: 8h and 4min
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 January
Kualapuu, HI
- Average sunshine days in January: 15.3 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 January
Kualapuu, HI
- Average UV index in January: 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 January
Kualapuu, HI
- Average cloud cover in January: 26
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 January
Kualapuu, 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).
Kualapuu, Hawaii, USA
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