January weather forecastKalaheo, HI
January
Weather in January
January, like December, in Kalaheo, Hawaii, is a moderately hot winter month, with an average temperature fluctuating between 74.7°F (23.7°C) and 69.6°F (20.9°C).Temperature
Kalaheo's average high-temperature marks a still warm 74.7°F (23.7°C) with the advent of January, closely mirroring that of the preceding month. A mean low-temperature of 69.6°F (20.9°C) is a distinguishing feature of January, indicating a slight dip from daytime highs.Humidity
January is the least humid month, with an average relative humidity of 75%.Rainfall
In Kalaheo, Hawaii, in January, it is raining for 12.5 days, with typically 1.57" (40mm) of accumulated precipitation. Throughout the year, there are 218.4 rainfall days, and 22.13" (562mm) of precipitation is accumulated.Daylight
The average length of the day in January is 10h and 59min.On the first day of the month, sunrise is at 7:16 am and sunset at 6:06 pm. On the last day of January, sunrise is at 7:16 am and sunset at 6:26 pm HST.
Sunshine
In January, the average sunshine is 8.1h.UV index
January through August, October through December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The daily maximum UV index of 6 in January interprets into the following advice:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Kalaheo, HI
- Average high temperature in January: 74.7°F
The warmest month (with the highest average high temperature) is September (79.7°F).
The months with the lowest average high temperature are February and March (73.2°F).
- Average low temperature in January: 69.6°F
The month with the highest average low temperature is September (75.9°F).
The coldest month (with the lowest average low temperature) is February (68.5°F).
Average pressure in January
Kalaheo, HI
- Average pressure in January: 30.01"Hg
The month with the highest atmospheric pressure is April (30.07"Hg).
The months with the lowest atmospheric pressure are September and October (29.98"Hg).
Average wind speed in January
Kalaheo, HI
- Average wind speed in January: 10mph
The windiest month (with the highest average wind speed) is July (12.3mph).
The calmest month (with the lowest average wind speed) is January (10mph).
Average humidity in January
Kalaheo, HI
- Average humidity in January: 75%
The months with the highest relative humidity are June, July, August, October and December (77%).
The month with the lowest relative humidity is January (75%).
Average rainfall in January
Kalaheo, HI
- Average rainfall in January: 1.57"
The wettest month (with the highest rainfall) is March (2.52").
The driest month (with the least rainfall) is April (1.3").
Average rainfall days in January
Kalaheo, HI
- Average rainfall days in January: 12.5 days
The month with the highest number of rainy days is August (21.1 days).
The month with the least rainy days is January (12.5 days).
Average daylight in January /
Average sunshine in January
Kalaheo, HI
- Average daylight in January: 11h and 0min
The month with the longest days is June (Average daylight: 13h and 30min).
The month with the shortest days is December (Average daylight: 10h and 48min).
- Average sunshine in January: 8h and 6min
The month with the most sunshine is June (Average sunshine: 9h and 42min).
The month with the least sunshine is November (Average sunshine: 6h and 12min).
Average sunshine days in January
Kalaheo, HI
- Average sunshine days in January: 12.8 days
The month with the most sunshine days is January (12.8 days).
The month with the least sunshine days is August (2.9 days).
Average UV index in January
Kalaheo, 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
Kalaheo, HI
- Average cloud cover in January: 38
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 38).
Average visibility in January
Kalaheo, 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).
