January weather forecastKaupo, HI
January
Weather in January
January, like December, in Kaupo, Hawaii, is a moderately hot winter month, with temperature in the range of an average high of 73.8°F (23.2°C) and an average low of 71.1°F (21.7°C).Temperature
In January, Kaupo's weather conditions record an average high-temperature of a still warm 73.8°F (23.2°C), demonstrating little divergence from the preceding month. Kaupo's nighttime temperature in January consistently rests at an agreeable 71.1°F (21.7°C).Humidity
The months with the lowest humidity in Kaupo are January and February, with an average relative humidity of 76%.Rainfall
In Kaupo, in January, it is raining for 10.6 days, with typically 1.06" (27mm) of accumulated precipitation. Throughout the year, there are 136.7 rainfall days, and 13.94" (354mm) of precipitation is accumulated.Snowfall
January through August, October through December are months without snowfall in Kaupo.Daylight
The average length of the day in January is 11h and 3min.On the first day of January, sunrise is at 7:00 am and sunset at 5:55 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 6:14 pm HST.
Sunshine
In January, the average sunshine in Kaupo is 8.4h.UV index
The months with the lowest UV index are January through August, October 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 ordinary individuals.Note: The UV index of 6 during January translates into the following guidance:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Kaupo, HI
- Average high temperature in January: 73.8°F
The warmest month (with the highest average high temperature) is September (79°F).
The month with the lowest average high temperature is March (72.9°F).
- Average low temperature in January: 71.1°F
The month with the highest average low temperature is September (76.1°F).
The coldest month (with the lowest average low temperature) is March (69.8°F).
Average pressure in January
Kaupo, HI
- Average pressure in January: 30"Hg
The month with the highest atmospheric pressure is April (30.06"Hg).
The months with the lowest atmospheric pressure are September and October (29.97"Hg).
Average wind speed in January
Kaupo, HI
- Average wind speed in January: 10.9mph
The windiest month (with the highest average wind speed) is June (14.4mph).
The calmest month (with the lowest average wind speed) is January (10.9mph).
Average humidity in January
Kaupo, HI
- Average humidity in January: 76%
The months with the highest relative humidity are July and August (78%).
The months with the lowest relative humidity are January and February (76%).
Average rainfall in January
Kaupo, HI
- Average rainfall in January: 1.06"
The wettest month (with the highest rainfall) is October (2.17").
The driest month (with the least rainfall) is September (0.43").
Average rainfall days in January
Kaupo, HI
- Average rainfall days in January: 10.6 days
The month with the highest number of rainy days is March (14.1 days).
The month with the least rainy days is September (8.1 days).
Average snowfall days in January
Kaupo, HI
- Average snowfall days in January: 0 days
The month with the highest number of snowfall days is September (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, October, November and December (0 days).
Average daylight in January /
Average sunshine in January
Kaupo, 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 54min).
- Average sunshine in January: 8h and 24min
The months with the most sunshine are June and July (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in January
Kaupo, HI
- Average sunshine days in January: 16.8 days
The month with the most sunshine days is January (16.8 days).
The month with the least sunshine days is November (11.2 days).
Average UV index in January
Kaupo, 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
Kaupo, HI
- Average cloud cover in January: 24
The month with the most cloud cover is March (Cloud cover 33).
The month with the least cloud cover is September (Cloud cover 23).
Average visibility in January
Kaupo, 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).





