January weather forecastMāhukona, HI

January

Weather in January

January, like December, in Māhukona, Hawaii, is a moderately hot winter month, with temperature in the range of an average high of 73.4°F (23°C) and an average low of 70°F (21.1°C).

Temperature

Māhukona records a slight change with January's average high-temperatures adjusting to a still moderately hot 73.4°F (23°C) from December's 74.8°F (23.8°C). Māhukona maintains a consistent average nighttime low-temperature of 70°F (21.1°C) throughout January.

Humidity

The average relative humidity in January is 73%.

Rainfall

January is the month with the least rainfall. Rain falls for 8.2 days and accumulates 0.47" (12mm) of precipitation.

Daylight

In January, the average length of the day in Māhukona is 11h and 5min.
On the first day of the month, sunrise is at 6:58 am and sunset at 5:55 pm. On the last day of January, sunrise is at 6:58 am and sunset at 6:14 pm HST.

Sunshine

In Māhukona, the average sunshine in January is 9.1h.

UV index

January through December, with an average maximum UV index of 6, are months with the highest UV index. January through December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for average individuals.
Note: In January, the maximum UV index of 6 transforms into these recommendations:
Shun overexposure. Protection from sun ravages is indispensable. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Updated: Aug 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In January, the average high-temperature and low-temperature are 73.4°F (23°C) and 70°F (21.1°C) respectively.

In Māhukona, the average relative humidity in January is 73%.

January is the month with the least rainfall in Māhukona. Rain falls for 8.2 days and accumulates 0.47" (12mm) of precipitation.

In January, the rain falls for 8.2 days. Throughout January, 0.47" (12mm) of precipitation is accumulated.

In January, the average day length is 11h and 5min.

On the first day of January, sunrise is at 6:58 am and sunset at 5:55 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 6:14 pm HST.

In January, the average sunshine duration is 9.1h.

January through December, with an average maximum UV index of 6, are months with the highest UV index.

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

In Māhukona, the average daily maximum UV index in January is 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Māhukona, HI

  • Average high temperature in January: 73.4°F

The warmest month (with the highest average high temperature) is August (78.4°F).
The month with the lowest average high temperature is February (73.2°F).

  • Average low temperature in January: 70°F

The months with the highest average low temperature are August, September and October (74.8°F).
The coldest month (with the lowest average low temperature) is March (69.4°F).

Average pressure in January
Māhukona, HI

  • Average pressure in January: 29.99"Hg

The month with the highest atmospheric pressure is April (30.04"Hg).
The months with the lowest atmospheric pressure are September and October (29.96"Hg).

Average wind speed in January
Māhukona, HI

  • Average wind speed in January: 5.9mph

The windiest month (with the highest average wind speed) is February (6.2mph).
The calmest month (with the lowest average wind speed) is July (5mph).

Average humidity in January
Māhukona, HI

  • Average humidity in January: 73%

The months with the highest relative humidity are June, July and August (77%).
The month with the lowest relative humidity is February (71%).

Average rainfall in January
Māhukona, HI

  • Average rainfall in January: 0.47"

The wettest month (with the highest rainfall) is February (0.98").
The driest month (with the least rainfall) is January (0.47").

Average rainfall days in January
Māhukona, HI

  • Average rainfall days in January: 8.2 days

The month with the highest number of rainy days is May (14.4 days).
The month with the least rainy days is February (8.1 days).

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

  • Average daylight in January: 11h and 6min

The month with the longest days is June (Average daylight: 13h and 18min).
The month with the shortest days is December (Average daylight: 10h and 54min).

  • Average sunshine in January: 9h and 6min

The month with the most sunshine is June (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 7h and 24min).

Average sunshine days in January
Māhukona, HI

  • Average sunshine days in January: 14.5 days

The month with the most sunshine days is January (14.5 days).
The month with the least sunshine days is October (6.8 days).

Average UV index in January
Māhukona, HI

  • Average UV index in January: 6

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

Average cloud cover in January
Māhukona, HI

  • Average cloud cover in January: 12

The months with the most cloud cover are April, May and June (Cloud cover 21).
The month with the least cloud cover is January (Cloud cover 12).

Average visibility in January
Māhukona, 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).