Lihue
Hawaii, USA
Long-term weather forecast
Long-term weather forecast

January weather forecast and climate
Lihue, HI

January, like December, in Lihue, Hawaii, is another warm winter month, with temperature in the range of an average low of 69.6°F (20.9°C) and an average high of 74.7°F (23.7°C).

Temperature

In January, the average high-temperature is practically the same as in December - a still moderately hot 74.7°F (23.7°C). In Lihue, the average low-temperature is 69.6°F (20.9°C).

Humidity

The least humid month in Lihue is January, with an average relative humidity of 75%.

Rainfall

In Lihue, during January, the rain falls for 12.5 days and regularly aggregates up to 1.57" (40mm) of precipitation. Throughout the year, there are 218.4 rainfall days, and 22.13" (562mm) 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.
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 January, the average length of the day in Lihue is 11h.

Sunshine

In Lihue, the average sunshine in January is 8.1h.

UV index

Months with the lowest UV index in Lihue are January through August, October through December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from the exposure to the Sun's UV radiation for ordinary individuals.
Note: In January, the average maximum UV index of 6 translate into the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.

What is the temperature in January in Lihue?

In January, the average high-temperature is 74.7°F (23.7°C), and the average low-temperature is 69.6°F (20.9°C).

What is the least humid month in Lihue?

January is the least humid month in Lihue, Hawaii, with an average relative humidity of 75%.

What is the average humidity in January in Lihue?

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

How much does it rain in Lihue in January?

In January, the rain falls for 12.5 days. Throughout January, 1.57" (40mm) of precipitation is accumulated.

What are the months with the coldest ocean in Lihue?

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

How warm is the water in January in Lihue?

In Lihue, the average seawater temperature in January is 75.2°F (24°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 75.2°F (24°C).

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

The average length of the day in January in Lihue, Hawaii, is 11h.

How long on average sun shines in January in Lihue?

The average sunshine in January in Lihue, Hawaii, is 8.1h.

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

January through August, October through December, with an average maximum UV index of 6, are months with the lowest UV index in Lihue, Hawaii.

How high is the UV index in January in Lihue?

The average daily maximum UV index in January in Lihue, Hawaii, is 6. A UV Index of 6 to 7 symbolizes a high health threat from the exposure to the Sun's UV rays.
Average temperature in January - Lihue, HI
  • Average high temperature in January: 74.7°F

The warmest month (with the highest average high temperature) is September (79.7°F).
Months with the lowest average high temperature are February and March (73.2°F).

  • Average low temperature in January: 69.6°F

The month with the highest average low temperature is September (75.9°F).
The coldest month (with the lowest average low temperature) is February (68.5°F).

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

Months with the highest relative humidity are June, July, August, October and December (77%).
The month with the lowest relative humidity is January (75%).

Average rainfall in January - Lihue, HI
  • Average rainfall in January: 1.57"

The wettest month (with the highest rainfall) is March (2.52").
The driest month (with the lowest rainfall) is April (1.3").

Average rainfall days in January - Lihue, HI
  • Average rainfall days in January: 12.5 days

The month with the highest number of rainy days is August (21.1 days).
The month with the lowest number of rainy days is January (12.5 days).

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

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

Average daylight in January / Average sunshine in January - Lihue, HI
  • Average daylight in January: 11h

The month with the longest days is June (Average daylight: 13.5h).
The month with shortest days is December (Average daylight: 10.8h).

  • Average sunshine in January: 8.1h

The month with most sunshine is June (Average sunshine: 9.7h).
The month with least sunshine is November (Average sunshine: 6.2h).

Average UV index in January - Lihue, HI
  • Average UV index in January: 6

The month with the highest UV index is September (UV index 7).
Months with the lowest UV index are January, February, March, April, May, June, July, August, October, November and December (UV index 6).