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 sea temperature 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
The transition into January notes an average high-temperature of a still warm 74.7°F (23.7°C), revealing a mild distinction from the 75.7°F (24.3°C) in December. The temperature during January sees a subtle transition from day to night, averaging a low of 71.6°F (22°C).Humidity
The months with the lowest humidity are January and February, with an average relative humidity of 74%.Rainfall
In January, the rain falls for 8.8 days. Throughout January, 0.55" (14mm) of precipitation is accumulated. Throughout the year, in Kahului, there are 103.4 rainfall days, and 6.57" (167mm) of precipitation is accumulated.Ocean temperature
In Kahului, in January, the average water temperature is 76.3°F (24.6°C).Note: For individuals prone to feeling cold, swimming in 73.4°F (23°C) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 76.3°F (24.6°C).
Daylight
In Kahului, the average length of the day in January is 11h and 2min.On the first day of the month, sunrise is at 7:02 am and sunset at 5:56 pm. On the last day of January, sunrise is at 7:02 am and sunset at 6:15 pm HST.
Sunshine
In Kahului, Hawaii, the average sunshine in January is 8.6h.UV index
The months with the lowest UV index in Kahului, Hawaii, are January through June, 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 radiation for average individuals.Note: In January, the maximum UV index of 6 suggests this advice:
Resist extreme sun exposure. Guarding against solar damage is essential. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Note! Reflective surfaces like sand and water heighten the UV radiation levels.
Frequently asked questions
What is the average January temperature in Kahului?
What is the least humid month in Kahului?
What is the average humidity in January in Kahului?
How many days does it rain in January in Kahului?
What is the water temperature in January in Kahului?
How many hours of daylight does Kahului have in January?
When is the sunrise / sunset in January in Kahului?
How long on average sun shines in January in Kahului?
When is the lowest UV index in Kahului?
What is the UV index intensity in January in Kahului?
Average temperature in January
Kahului, HI
- Average high temperature in January: 74.7°F
The warmest month (with the highest average high temperature) is September (79.9°F).
The month with the lowest average high temperature is February (73.9°F).
- Average low temperature in January: 71.6°F
The month with the highest average low temperature is October (76.5°F).
The coldest months (with the lowest average low temperature) are February and March (70.7°F).
Average pressure in January
Kahului, 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
Kahului, HI
- Average wind speed in January: 10.4mph
The windiest month (with the highest average wind speed) is June (13.6mph).
The calmest month (with the lowest average wind speed) is January (10.4mph).
Average humidity in January
Kahului, HI
- Average humidity in January: 74%
The months with the highest relative humidity are July and August (76%).
The months with the lowest relative humidity are January and February (74%).
Average rainfall in January
Kahului, HI
- Average rainfall in January: 0.55"
The wettest months (with the highest rainfall) are March and December (0.87").
The driest month (with the least rainfall) is June (0.2").
Average rainfall days in January
Kahului, HI
- Average rainfall days in January: 8.8 days
The month with the highest number of rainy days is March (11.9 days).
The month with the least rainy days is June (6.6 days).
Average sea temperature in January
Kahului, HI
- Average sea temperature in January: 76.3°F
The best month for swimming (with the highest average sea temperature) is September (80°F).
The coldest month (with the lowest average sea temperature) is March (75.6°F).
Average daylight in January /
Average sunshine in January
Kahului, 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: 7h and 0min).
Average sunshine days in January
Kahului, HI
- Average sunshine days in January: 19.3 days
The month with the most sunshine days is June (19.9 days).
The month with the least sunshine days is March (15.2 days).
Average UV index in January
Kahului, HI
- Average UV index in January: 6
The months with the highest UV index are July, August, September and October (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, November and December (UV index 6).
Average cloud cover in January
Kahului, HI
- Average cloud cover in January: 22
The month with the most cloud cover is March (Cloud cover 30).
The months with the least cloud cover are June and September (Cloud cover 21).
Average visibility in January
Kahului, 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).
Kahului, Hawaii, USA
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