January weather forecastHauula, HI
January
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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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).
