January weather forecastWaimanalo Beach, HI
January
Weather in January
January, like December, in Waimanalo Beach, Hawaii, is another warm winter month, with an average temperature fluctuating between 71.8°F (22.1°C) and 75.2°F (24°C).Temperature
Transitioning from December to January, Waimanalo Beach observes an average high-temperature of a still moderately hot 75.2°F (24°C), differing subtly from the previous month. Waimanalo Beach, in January, logs an average low-temperature of 71.8°F (22.1°C), a subtle step down from daytime readings.Humidity
January and November, with an average relative humidity of 74%, are the least humid months in Waimanalo Beach.Rainfall
In Waimanalo Beach, Hawaii, in January, during 12.6 rainfall days, 1.14" (29mm) of precipitation is typically accumulated. In Waimanalo Beach, during the entire year, the rain falls for 169.9 days and collects up to 13.15" (334mm) of precipitation.Ocean temperature
In January, the average ocean temperature in Waimanalo Beach is 76.6°F (24.8°C).Note: For someone sensitive to cold, swimming in 76.6°F (24.8°C) waters can be invigorating, especially when considering elements like sunshine, wind, and current air temperature. (As a reference, Olympic swimming waters are kept between 77°F (25°C) and 82.4°F (28°C).)
Daylight
In January, the average length of the day is 11h and 1min.On the first day of the month, sunrise is at 7:08 am and sunset at 6:00 pm. On the last day of January, sunrise is at 7:08 am and sunset at 6:20 pm HST.
Sunshine
In January, the average sunshine in Waimanalo Beach, Hawaii, is 8.7h.UV index
January through June, November and December, with an average maximum UV index of 6, are months with the lowest UV index in Waimanalo Beach, Hawaii. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index of 6 during January leads to these instructions:
Stay clear of intense sun exposure. Solar protection is of utmost significance. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Be cautious! Sand and water surfaces make the Sun's UV rays more potent.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Waimanalo Beach, HI
- Average high temperature in January: 75.2°F
The warmest month (with the highest average high temperature) is September (80.6°F).
The month with the lowest average high temperature is February (74.5°F).
- Average low temperature in January: 71.8°F
The months with the highest average low temperature are September and October (77°F).
The coldest month (with the lowest average low temperature) is February (70.5°F).
Average pressure in January
Waimanalo Beach, 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
Waimanalo Beach, HI
- Average wind speed in January: 10.7mph
The windiest month (with the highest average wind speed) is July (14.1mph).
The calmest month (with the lowest average wind speed) is January (10.7mph).
Average humidity in January
Waimanalo Beach, HI
- Average humidity in January: 74%
The months with the highest relative humidity are April, June, July, August and December (76%).
The months with the lowest relative humidity are January and November (74%).
Average rainfall in January
Waimanalo Beach, HI
- Average rainfall in January: 1.14"
The wettest month (with the highest rainfall) is March (1.69").
The driest month (with the least rainfall) is July (0.55").
Average rainfall days in January
Waimanalo Beach, HI
- Average rainfall days in January: 12.6 days
The month with the highest number of rainy days is March (16.9 days).
The month with the least rainy days is June (11.3 days).
Average sea temperature in January
Waimanalo Beach, HI
- Average sea temperature in January: 76.6°F
The best month for swimming (with the highest average sea temperature) is September (80.4°F).
The coldest month (with the lowest average sea temperature) is March (75.7°F).
Average daylight in January /
Average sunshine in January
Waimanalo Beach, 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 42min
The month with the most sunshine is June (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).
Average sunshine days in January
Waimanalo Beach, HI
- Average sunshine days in January: 12.8 days
The month with the most sunshine days is June (13.6 days).
The months with the least sunshine days are March and November (6.6 days).
Average UV index in January
Waimanalo Beach, 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
Waimanalo Beach, HI
- Average cloud cover in January: 30
The month with the most cloud cover is March (Cloud cover 36).
The month with the least cloud cover is September (Cloud cover 27).
Average visibility in January
Waimanalo Beach, 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).
