January weather forecastKihei, HI
January
Weather in January
Kihei, Hawaii welcomes the year with mild and comfortable weather. January marks the transition from Hawaii's winter temperatures to a warmer climate. With the lowest rainfall at 0.55" (14mm), it is the driest month, providing more opportunities for outdoor activities. Beach trips remain favorable as the sea maintains a gentle warmth. Furthermore, this month sees a consistent wind speed, ensuring a refreshing breeze that offsets the tropical humidity.Temperature
As Kihei transitions from December to January, the average high-temperatures adjust to a still warm 74.7°F (23.7°C), nearly the same as the previous 75.7°F (24.3°C). Kihei's average low temperature, barely cooler than the daytime high, steadies at an agreeable 71.6°F (22°C) during January.Humidity
January and February, with an average relative humidity of 74%, are the least humid months.Rainfall
In Kihei, Hawaii, 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.Ocean temperature
In January, the average ocean temperature is 76.3°F (24.6°C).Note: When thinking about a swim in 76.3°F (24.6°C) waters, consider your cold tolerance, the day's sunshine, wind, and air temperature. It is a fun fact that Olympic swimmers dive into waters of 77°F (25°C) to 82.4°F (28°C).
Daylight
The average length of the day in January in Kihei is 11h and 2min.On the first day of January, sunrise is at 7:02 am and sunset at 5:56 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 6:15 pm HST.
Sunshine
In Kihei, Hawaii, 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. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 6 in January translates into these instructions:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Be alert! The reflection of water and sand augments UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Kihei, 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
Kihei, 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
Kihei, 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
Kihei, 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
Kihei, 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
Kihei, 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 sea temperature in January
Kihei, HI
- Average sea temperature in January: 76.3°F
The best month for swimming (with the highest average sea temperature) is September (80°F).
The coldest month (with the lowest average sea temperature) is March (75.6°F).
Average daylight in January /
Average sunshine in January
Kihei, 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
Kihei, 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
Kihei, 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
Kihei, 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
Kihei, 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).
