January weather forecast
Kapalua, HI

Weather in January

January, like December, in Kapalua, Hawaii, is a moderately hot winter month, with an average temperature ranging between max 74.8°F (23.8°C) and min 71.6°F (22°C).

Temperature

In Kapalua, Hawaii, the average high-temperature in January is practically the same as in December - a still moderately hot 74.8°F (23.8°C). The average low-temperature, in Kapalua, Hawaii, is 71.6°F (22°C).

Humidity

The months with the lowest humidity in Kapalua are January through March, September and November, with an average relative humidity of 75%.

Rainfall

In Kapalua, in January, it is raining for 9.9 days, with typically 0.67" (17mm) of accumulated precipitation. Throughout the year, there are 112.6 rainfall days, and 7.91" (201mm) of precipitation is accumulated.

Ocean temperature

January through April, with an average ocean temperature of 75.2°F (24°C), are months with the coldest seawater in Kapalua.
Note: Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 75.2°F (24°C) water may be enjoyable. (FYI: The official water temperature required for the Olympic swimming competition is 77°F (25°C) to 82.4°F (28°C).)

Daylight

In Kapalua, the average length of the day in January is 11h and 2min.
On the first day of January in Kapalua, Hawaii, sunrise is at 7:03 am and sunset at 5:57 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:16 pm HST.

Sunshine

In January, the average sunshine is 8.3h.

UV index

The months with the lowest UV index in Kapalua, Hawaii, are January through June, November and December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: In January, the average maximum UV index of 6 translate into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.
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FAQ

What is the temperature in January in Kapalua?

The average high-temperature, in January, in Kapalua, Hawaii, is 74.8°F (23.8°C), while the average low-temperature is 71.6°F (22°C).

What is the least humid month in Kapalua?

January through March, September and November, with an average relative humidity of 75%, are the least humid months.

What is the average humidity in January in Kapalua?

In Kapalua, the average relative humidity in January is 75%.

How much does it rain in Kapalua in January?

In Kapalua, in January, it is raining for 9.9 days, with typically 0.67" (17mm) of accumulated precipitation.

What are the months with the coldest ocean in Kapalua?

The months with the coldest seawater in Kapalua are January through April, with an average ocean temperature of 75.2°F (24°C).

What is the ocean temperature in January in Kapalua?

In Kapalua, the average seawater temperature in January is 75.2°F (24°C). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 75.2°F (24°C) water.

How many hours of daylight does Kapalua have in January?

In Kapalua, the average day length in January is 11h and 2min.

When are sunrise and sunset in January in Kapalua?

In January, on the first day of the month, sunrise is at 7:03 am and sunset at 5:57 pm. On the last day of the month, in Kapalua, sunrise is at 7:03 am and sunset at 6:16 pm HST.

How long on average sun shines in January in Kapalua?

In January, the average sunshine duration in Kapalua, Hawaii, is 8.3h.

What is the month with the lowest UV index in Kapalua?

January through June, November and December, with an average maximum UV index of 6, are months with the lowest UV index.

How high is the UV index in January in Kapalua?

The average daily maximum UV index in January is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Kapalua, HI

Average temperature in January - Kapalua, HI
  • Average high temperature in January: 74.8°F

The warmest month (with the highest average high temperature) is September (79.7°F).
The month with the lowest average high temperature is February (73.9°F).

  • Average low temperature in January: 71.6°F

The months with the highest average low temperature are August and October (76.5°F).
The coldest month (with the lowest average low temperature) is March (70.7°F).

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Average pressure in January
Kapalua, HI

Average pressure in January - Kapalua, HI
  • Average pressure in January: 30"Hg

The month with the highest atmospheric pressure is April (30.06"Hg).
The months with the lowest atmospheric pressure are September and October (29.97"Hg).

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Average wind speed in January
Kapalua, HI

Average wind speed in January - Kapalua, HI
  • Average wind speed in January: 10.6mph

The windiest month (with the highest average wind speed) is July (13.9mph).
The calmest month (with the lowest average wind speed) is January (10.6mph).

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Average humidity in January
Kapalua, HI

Average humidity in January - Kapalua, HI
  • Average humidity in January: 75%

The month with the highest relative humidity is July (77%).
The months with the lowest relative humidity are January, February, March, September and November (75%).

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Average rainfall in January
Kapalua, HI

Average rainfall in January - Kapalua, HI
  • Average rainfall in January: 0.67"

The wettest month (with the highest rainfall) is March (1.1").
The driest month (with the least rainfall) is July (0.35").

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Average rainfall days in January
Kapalua, HI

Average rainfall days in January - Kapalua, HI
  • Average rainfall days in January: 9.9 days

The month with the highest number of rainy days is March (13.4 days).
The month with the least rainy days is November (7.7 days).

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Average sea temperature in January
Kapalua, HI

Average sea temperature in January - Kapalua, HI
  • Average sea temperature in January: 75°F

The best months for swimming (with the highest average sea temperature) are September and October (81°F).
The coldest months (with the lowest average sea temperature) are January, February, March and April (75°F).

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Average daylight in January /
Average sunshine in January
Kapalua, HI

Average daylight in January / Average sunshine in January - Kapalua, HI
  • Average daylight in January: 11h and 2min

The month with the longest days is June (Average daylight: 13h and 23min).
The month with the shortest days is December (Average daylight: 10h and 53min).

  • Average sunshine in January: 8h and 18min

The month with the most sunshine is June (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).

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Average sunshine days in January
Kapalua, HI

Average sunshine days in January - Kapalua, HI
  • Average sunshine days in January: 17.9 days

The month with the most sunshine days is October (18.4 days).
The month with the least sunshine days is March (12.6 days).

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Average UV index in January
Kapalua, HI

Average UV index in January - Kapalua, 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).

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Average cloud cover in January
Kapalua, HI

Average cloud cover in January - Kapalua, HI
  • Average cloud cover in January: 26

The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is September (Cloud cover 25).

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Average visibility in January
Kapalua, HI

Average visibility in January - Kapalua, 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).

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