January weather forecastKeawakapu, HI
January
Weather in January
January, the same as December, is a moderately hot winter month in Keawakapu, Hawaii, with an average temperature varying between 74.7°F (23.7°C) and 71.6°F (22°C).Temperature
Keawakapu's average high-temperature in January is a still moderately hot 74.7°F (23.7°C), indicating a subtle variation from December. Keawakapu experiences a steady nighttime temperature of 71.6°F (22°C) throughout the month of January.Humidity
January and February, with an average relative humidity of 74%, are the least humid months in Keawakapu, Hawaii.Rainfall
In Keawakapu, in January, it is raining for 8.8 days, with typically 0.55" (14mm) of accumulated precipitation. Throughout the year, there are 103.4 rainfall days, and 6.57" (167mm) of precipitation is accumulated.Daylight
In Keawakapu, the average length of the day in January is 11h and 2min.On the first day of the month, sunrise is at 7:02 am and sunset at 5:56 pm. On the last day of January, in Keawakapu, sunrise is at 7:02 am and sunset at 6:15 pm HST.
Sunshine
The average sunshine in January is 8.6h.UV index
January through June, November and December, with an average maximum UV index of 6, are months with the lowest UV index in Keawakapu. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the ordinary person.Note: An average maximum UV index of 6 in January leads to these recommendations:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Keawakapu, HI
- Average high temperature in January: 74.7°F
The warmest month (with the highest average high temperature) is September (79.9°F).
The month with the lowest average high temperature is February (73.9°F).
- Average low temperature in January: 71.6°F
The month with the highest average low temperature is October (76.5°F).
The coldest months (with the lowest average low temperature) are February and March (70.7°F).
Average pressure in January
Keawakapu, HI
- Average pressure in January: 30"Hg
The month with the highest atmospheric pressure is April (30.05"Hg).
The months with the lowest atmospheric pressure are September and October (29.97"Hg).
Average wind speed in January
Keawakapu, HI
- Average wind speed in January: 10.4mph
The windiest month (with the highest average wind speed) is June (13.6mph).
The calmest month (with the lowest average wind speed) is January (10.4mph).
Average humidity in January
Keawakapu, HI
- Average humidity in January: 74%
The months with the highest relative humidity are July and August (76%).
The months with the lowest relative humidity are January and February (74%).
Average rainfall in January
Keawakapu, HI
- Average rainfall in January: 0.55"
The wettest months (with the highest rainfall) are March and December (0.87").
The driest month (with the least rainfall) is June (0.2").
Average rainfall days in January
Keawakapu, HI
- Average rainfall days in January: 8.8 days
The month with the highest number of rainy days is March (11.9 days).
The month with the least rainy days is June (6.6 days).
Average daylight in January /
Average sunshine in January
Keawakapu, 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 36min
The month with the most sunshine is June (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).
Average sunshine days in January
Keawakapu, HI
- Average sunshine days in January: 19.3 days
The month with the most sunshine days is June (19.9 days).
The month with the least sunshine days is March (15.2 days).
Average UV index in January
Keawakapu, HI
- Average UV index in January: 6
The months with the highest UV index are July, August, September and October (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, November and December (UV index 6).
Average cloud cover in January
Keawakapu, HI
- Average cloud cover in January: 22
The month with the most cloud cover is March (Cloud cover 30).
The months with the least cloud cover are June and September (Cloud cover 21).
Average visibility in January
Keawakapu, 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).





