January weather forecast
Kualapuu, HI

Weather in January

January, like December, in Kualapuu, Hawaii, is a moderately hot winter month, with temperature in the range of an average low of 72.1°F (22.3°C) and an average high of 75.2°F (24°C).

Temperature

In January, the average high-temperature is almost the same as in December - a still warm 75.2°F (24°C). In Kualapuu, in January, the average low-temperature is 72.1°F (22.3°C).

Humidity

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

Rainfall

In January, the rain falls for 10.3 days. Throughout January, 0.87" (22mm) of precipitation is accumulated. Throughout the year, there are 126.4 rainfall days, and 9.84" (250mm) of precipitation is accumulated.

Daylight

In Kualapuu, Hawaii, 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, in Kualapuu, sunrise is at 7:05 am and sunset at 6:18 pm HST.

Sunshine

In January, the average sunshine in Kualapuu is 8.7h.

UV index

January through May, November and December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 6 in January interpret into the following advice:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. 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.
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FAQ

What are the least humid months in Kualapuu?

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

What is the average humidity in January in Kualapuu?

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

How many days does it rain in January in Kualapuu?

In Kualapuu, during January, the rain falls for 10.3 days and regularly aggregates up to 0.87" (22mm) of precipitation.

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

In Kualapuu, Hawaii, the average day length in January is 11h and 1min.

When is the sunrise / sunset in January in Kualapuu?

In January, on the first day of the month, sunrise is at 7:05 am and sunset at 5:58 pm. On the last day of the month, in Kualapuu, sunrise is at 7:05 am and sunset at 6:18 pm HST.

How long on average sun shines in January in Kualapuu?

The average sunshine duration in January in Kualapuu, Hawaii, is 8.7h.

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

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

What is the UV index intensity in January in Kualapuu?

In January, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation.

Average temperature in January
Kualapuu, HI

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).

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Average pressure in January
Kualapuu, HI

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).

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Average wind speed in January
Kualapuu, HI

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).

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Average humidity in January
Kualapuu, HI

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%).

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Average rainfall in January
Kualapuu, HI

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").

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Average rainfall days in January
Kualapuu, HI

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).

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

Average daylight in January / Average sunshine in January - Kualapuu, HI
  • Average daylight in January: 11h and 1min

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 52min).

  • Average sunshine in January: 8h and 42min

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).

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Average sunshine days in January
Kualapuu, HI

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).

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Average UV index in January
Kualapuu, HI

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).

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Average cloud cover in January
Kualapuu, HI

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).

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Average visibility in January
Kualapuu, HI

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).

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