January weather forecast
Wainiha, HI

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Weather in January

January, the same as December, is a moderately hot winter month in Wainiha, Hawaii, with an average temperature fluctuating between 74.7°F (23.7°C) and 69.6°F (20.9°C).

Temperature

The transition into January reveals an average high-temperature of a still moderately hot 74.7°F (23.7°C), mirroring a close resemblance to December. Wainiha notes a steady average temperature of 69.6°F (20.9°C) during the nights of January.

Humidity

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

Rainfall

In January, the rain falls for 12.5 days. Throughout January, 1.57" (40mm) of precipitation is accumulated. Throughout the year, there are 218.4 rainfall days, and 22.13" (562mm) of precipitation is accumulated.

Daylight

The average length of the day in January is 10h and 58min.
On the first day of January in Wainiha, sunrise is at 7:17 am and sunset at 6:05 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 6:26 pm HST.

Sunshine

In January, the average sunshine is 8.1h.

UV index

January through August, October through December, with an average maximum UV index of 6, are months with the lowest UV index in Wainiha, Hawaii. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: A daily high UV index of 6 in January leads to these guidelines:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.

Frequently asked questions

What are January temperatures?

The high-temperature, in January, in Wainiha, records 74.7°F (23.7°C), while the low-temperature is 69.6°F (20.9°C).

What is the least humid month?

With an average relative humidity of 75%, January is the least humid month.

What is the average humidity in January?

In January, the average relative humidity is 75%.

How much does it rain in January?

In Wainiha, in January, during 12.5 rainfall days, 1.57" (40mm) of precipitation is typically accumulated.

How many hours of daylight does Wainiha have in January?

The average day length in January is 10h and 58min.

What time are sunrise and sunset in January?

On the first day of January, sunrise is at 7:17 am and sunset at 6:05 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 6:26 pm HST.

How long on average sun shines in January?

In January, the average sunshine duration is 8.1h.

When is the lowest UV index?

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

How high is the UV index in January?

The average daily maximum UV index in January is 6. A UV Index reading of 6 to 7 represents a high health vulnerability 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
Wainiha, HI

Average temperature in January - Wainiha, HI
  • Average high temperature in January: 74.7°F

The warmest month (with the highest average high temperature) is September (79.7°F).
The 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 pressure in January
Wainiha, HI

Average pressure in January - Wainiha, HI
  • Average pressure in January: 30.01"Hg

The month with the highest atmospheric pressure is April (30.07"Hg).
The months with the lowest atmospheric pressure are September and October (29.98"Hg).

Average wind speed in January
Wainiha, HI

Average wind speed in January - Wainiha, HI
  • Average wind speed in January: 10mph

The windiest month (with the highest average wind speed) is July (12.3mph).
The calmest month (with the lowest average wind speed) is January (10mph).

Average humidity in January
Wainiha, HI

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

The 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
Wainiha, HI

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

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

Average rainfall days in January
Wainiha, HI

Average rainfall days in January - Wainiha, 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 least rainy days is January (12.5 days).

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

Average daylight in January / Average sunshine in January - Wainiha, HI
  • Average daylight in January: 11h and 0min

The month with the longest days is June (Average daylight: 13h and 30min).
The month with the shortest days is December (Average daylight: 10h and 48min).

  • Average sunshine in January: 8h and 1min

The month with the most sunshine is June (Average sunshine: 9h and 42min).
The month with the least sunshine is November (Average sunshine: 6h and 12min).

Average sunshine days in January
Wainiha, HI

Average sunshine days in January - Wainiha, HI
  • Average sunshine days in January: 12.8 days

The month with the most sunshine days is January (12.8 days).
The month with the least sunshine days is August (2.9 days).

Average UV index in January
Wainiha, HI

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

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

Average cloud cover in January
Wainiha, HI

Average cloud cover in January - Wainiha, HI
  • Average cloud cover in January: 38

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 38).

Average visibility in January
Wainiha, HI

Average visibility in January - Wainiha, 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).

Wainiha, Hawaii, USA

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