January weather forecastMahaiula, HI
January
Weather in January
January, the same as December, is another warm winter month in Mahaiula, Hawaii, with an average temperature ranging between max 73.4°F (23°C) and min 70°F (21.1°C).Temperature
Mahaiula's January showcases an average high-temperature of a still moderately hot 73.4°F (23°C), hardly distinct from December's 74.8°F (23.8°C). Throughout January, a modest shift from daytime highs is anticipated, with an average low-temperature of 70°F (21.1°C).Humidity
In Mahaiula, the average relative humidity in January is 73%.Rainfall
January is the month with the least rainfall in Mahaiula. Rain falls for 8.2 days and accumulates 0.47" (12mm) of precipitation.Daylight
In January, the average length of the day is 11h and 6min.On the first day of the month, sunrise is at 6:58 am and sunset at 5:56 pm. On the last day of January, sunrise is at 6:59 am and sunset at 6:15 pm HST.
Sunshine
The average sunshine in January is 9.1h.UV index
The months with the highest UV index are January through December, with an average maximum UV index of 6. The months with the lowest UV index are January through December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In January, the maximum UV index of 6 suggests this advice:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. 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. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Mahaiula, 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
Mahaiula, 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
Mahaiula, 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
Mahaiula, 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
Mahaiula, 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
Mahaiula, 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
Mahaiula, 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: 11h and 0min).
- 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
Mahaiula, 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
Mahaiula, 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
Mahaiula, 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
Mahaiula, 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).
