January weather forecast
Hauula, HI

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Weather in January

January, like December, in Hauula, Hawaii, is another warm winter month, with an average temperature varying between 70°F (21.1°C) and 75.4°F (24.1°C).

Temperature

Hauula measures an average high-temperature of a still moderately hot 75.4°F (24.1°C) in January, nearly consistent with the preceding month. Nighttime temperatures hover around an average low of 70°F (21.1°C) in January, a slight descent from daytime highs.

Humidity

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

Rainfall

In Hauula, during January, the rain falls for 15.6 days and regularly aggregates up to 1.26" (32mm) of precipitation. Throughout the year, there are 215.6 rainfall days, and 16.38" (416mm) of precipitation is accumulated.

Daylight

In January, the average length of the day is 10h and 59min.
On the first day of the month, sunrise is at 7:09 am and sunset at 6:00 pm. On the last day of January, sunrise is at 7:09 am and sunset at 6:20 pm HST.

Sunshine

In Hauula, the average sunshine in January is 8h.

UV index

The months with the lowest UV index are January through June, August, October through December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index of 6 in January interprets into the following recommendations:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye 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. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Updated: Jul 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in January?

In January, the average high-temperature and low-temperature in Hauula are 75.4°F (24.1°C) and 70°F (21.1°C) respectively.

What is the least humid month?

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

What is the average humidity in January?

The average relative humidity in January is 75%.

How much does it rain in January?

In January, the rain falls for 15.6 days. Throughout January, 1.26" (32mm) of precipitation is accumulated.

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

In January, the average day length is 10h and 59min.

When is the sunrise / sunset in January in Hauula?

In January, on the first day of the month, sunrise is at 7:09 am and sunset at 6:00 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 6:20 pm HST.

How many hours of sunshine does Hauula have in January?

In January, the average sunshine duration is 8h.

What is the month with the lowest UV index?

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

What is the UV index intensity in January?

In January, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Hauula, HI

Average temperature in January - Hauula, HI
  • Average high temperature in January: 75.4°F

The warmest month (with the highest average high temperature) is September (81.3°F).
The month with the lowest average high temperature is February (74.1°F).

  • Average low temperature in January: 70°F

The month with the highest average low temperature is September (76.1°F).
The coldest month (with the lowest average low temperature) is February (69.1°F).

Average pressure in January
Hauula, HI

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

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

Average wind speed in January
Hauula, HI

Average wind speed in January - Hauula, HI
  • Average wind speed in January: 10.2mph

The windiest month (with the highest average wind speed) is July (13.4mph).
The calmest month (with the lowest average wind speed) is January (10.2mph).

Average humidity in January
Hauula, HI

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

The month with the highest relative humidity is December (77%).
The months with the lowest relative humidity are January, April, May, September and November (75%).

Average rainfall in January
Hauula, HI

Average rainfall in January - Hauula, HI
  • Average rainfall in January: 1.26"

The wettest month (with the highest rainfall) is March (2.09").
The driest month (with the least rainfall) is July (0.75").

Average rainfall days in January
Hauula, HI

Average rainfall days in January - Hauula, HI
  • Average rainfall days in January: 15.6 days

The month with the highest number of rainy days is March (21 days).
The month with the least rainy days is January (15.6 days).

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

Average daylight in January / Average sunshine in January - Hauula, 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 48min).

  • Average sunshine in January: 8h and 0min

The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).

Average sunshine days in January
Hauula, HI

Average sunshine days in January - Hauula, HI
  • Average sunshine days in January: 10.1 days

The month with the most sunshine days is January (10.1 days).
The month with the least sunshine days is November (3.5 days).

Average UV index in January
Hauula, HI

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

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

Average cloud cover in January
Hauula, HI

Average cloud cover in January - Hauula, HI
  • Average cloud cover in January: 39

The month with the most cloud cover is March (Cloud cover 47).
The months with the least cloud cover are January and September (Cloud cover 39).

Average visibility in January
Hauula, HI

Average visibility in January - Hauula, 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).

Hauula, Hawaii, USA

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