January weather forecast
Waihee, HI

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Weather in January

January, the same as December, is another warm winter month in Waihee, Hawaii, with an average temperature varying between 74.7°F (23.7°C) and 71.6°F (22°C).

Temperature

The initiation of January sees an average high-temperature of a still moderately hot 74.7°F (23.7°C), showing minor variations from the previous month. Waihee observes a slightly reduced average nighttime temperature of 71.6°F (22°C) during January.

Humidity

The months with the lowest humidity in Waihee are January and February, with an average relative humidity of 74%.

Rainfall

In Waihee, during January, the rain falls for 8.8 days and regularly aggregates up to 0.55" (14mm) of precipitation. Throughout the year, in Waihee, there are 103.4 rainfall days, and 6.57" (167mm) of precipitation is accumulated.

Ocean temperature

In Waihee, the average seawater temperature in January is 76.6°F (24.8°C).
Note: A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 76.6°F (24.8°C) water. (FYI: The Olympic swimming competition requires a water temperature between 77°F (25°C) and 82.4°F (28°C).)

Daylight

In Waihee, 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 7:03 am and sunset at 6:15 pm HST.

Sunshine

In January, the average sunshine is 8.6h.

UV index

January through June, November and 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 vulnerability from exposure to the Sun's UV rays for the average person.
Note: In January, the maximum UV index of 6 suggests these recommendations:
Inhibit overexposure. Warding off sun damage is of utmost importance. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. During bright days, sunglasses that offer UVA and UVB defense are recommended. Take warning! Reflective sand and water surfaces intensify the Sun's UV rays.
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Frequently asked questions

What are January temperatures in Waihee?

The average high-temperature and low-temperature in Waihee, Hawaii, during January are 74.7°F (23.7°C) and 71.6°F (22°C) respectively.

What is the least humid month in Waihee?

January and February, with an average relative humidity of 74%, are the least humid months in Waihee.

What is the average humidity in January in Waihee?

In Waihee, the average relative humidity in January is 74%.

How much does it rain in Waihee in January?

In Waihee, in January, it is raining for 8.8 days, with typically 0.55" (14mm) of accumulated precipitation.

What is the ocean temperature in January in Waihee?

In Waihee, Hawaii, in January, the average water temperature is 76.6°F (24.8°C). 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 76.6°F (24.8°C).

What is the average length of the day in January in Waihee?

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

When is the sunrise / sunset in January in Waihee?

In January, on the first day of the month, sunrise is at 7:02 am and sunset at 5:56 pm. On the last day of the month, in Waihee, Hawaii, sunrise is at 7:03 am and sunset at 6:15 pm HST.

How long on average sun shines in January in Waihee?

The average sunshine duration in January in Waihee is 8.6h.

What are the months with the lowest UV index in Waihee?

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

How high is the UV index in January in Waihee?

In Waihee, Hawaii, the average daily maximum UV index in January is 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to UV radiation.

Average temperature in January
Waihee, HI

Average temperature in January - Waihee, 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).

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Average pressure in January
Waihee, HI

Average pressure in January - Waihee, 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).

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Average wind speed in January
Waihee, HI

Average wind speed in January - Waihee, 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).

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Average humidity in January
Waihee, HI

Average humidity in January - Waihee, 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%).

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Average rainfall in January
Waihee, HI

Average rainfall in January - Waihee, 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").

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Average rainfall days in January
Waihee, HI

Average rainfall days in January - Waihee, 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).

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Average sea temperature in January
Waihee, HI

Average sea temperature in January - Waihee, HI
  • Average sea temperature in January: 76.6°F

The best month for swimming (with the highest average sea temperature) is September (80.2°F).
The coldest month (with the lowest average sea temperature) is March (76°F).

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

Average daylight in January / Average sunshine in January - Waihee, 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).

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Average sunshine days in January
Waihee, HI

Average sunshine days in January - Waihee, 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).

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Average UV index in January
Waihee, HI

Average UV index in January - Waihee, 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
Waihee, HI

Average cloud cover in January - Waihee, 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).

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Average visibility in January
Waihee, HI

Average visibility in January - Waihee, 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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Waihee, Hawaii, USA

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