Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average sea temperature in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
With the shift into January, Kawaihae maintains an average high temperature of a still enjoyable 63°F (17.2°C), reflecting the same thermal conditions as the previous month. Kawaihae, during the month of January, experiences an average low-temperature of 52.9°F (11.6°C).Humidity
The average relative humidity in January in Kawaihae is 79%.Rainfall
In Kawaihae, in January, during 17.1 rainfall days, 1.69" (43mm) of precipitation is typically accumulated. Throughout the year, there are 280.8 rainfall days, and 33.9" (861mm) of precipitation is accumulated.Ocean temperature
In January, the average ocean temperature in Kawaihae, Hawaii, is 76.5°F (24.7°C).Note: A swim in 76.5°F (24.7°C) waters can be refreshing, especially when factoring in a person's cold tolerance, sunshine, wind, and the overall temperature. As a point of reference, Olympic swimming events are held in 77°F (25°C) to 82.4°F (28°C) waters.
Daylight
In January, the average length of the day is 11h and 5min.On the first day of January, sunrise is at 6:58 am and sunset at 5:55 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 6:14 pm HST.
Sunshine
The average sunshine in January in Kawaihae is 8.3h.UV index
The months with the lowest UV index are January through April, November and December, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In January, the maximum UV index of 4 suggests these recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Note! The Sun's UV radiation gets intensified with the reflection from sand and water.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average January temperature in Kawaihae?
What is the average humidity in January in Kawaihae?
How many days does it rain in January in Kawaihae?
What is the water temperature in January in Kawaihae?
What is the average length of the day in January in Kawaihae?
When are sunrise and sunset in January in Kawaihae?
How long on average sun shines in January in Kawaihae?
When is the lowest UV index in Kawaihae?
What is the UV index intensity in January in Kawaihae?
Average temperature in January
Kawaihae, HI
- Average high temperature in January: 63°F
The warmest month (with the highest average high temperature) is August (67.5°F).
The month with the lowest average high temperature is March (61.9°F).
- Average low temperature in January: 52.9°F
The month with the highest average low temperature is September (59°F).
The coldest month (with the lowest average low temperature) is February (52°F).
Average pressure in January
Kawaihae, 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
Kawaihae, HI
- Average wind speed in January: 4.5mph
The windiest months (with the highest average wind speed) are July and August (5.5mph).
The calmest months (with the lowest average wind speed) are January, May and October (4.5mph).
Average humidity in January
Kawaihae, HI
- Average humidity in January: 79%
The months with the highest relative humidity are September and October (84%).
The month with the lowest relative humidity is February (78%).
Average rainfall in January
Kawaihae, HI
- Average rainfall in January: 1.69"
The wettest month (with the highest rainfall) is August (4.13").
The driest month (with the least rainfall) is June (1.57").
Average rainfall days in January
Kawaihae, HI
- Average rainfall days in January: 17.1 days
The month with the highest number of rainy days is September (27.3 days).
The month with the least rainy days is January (17.1 days).
Average sea temperature in January
Kawaihae, HI
- Average sea temperature in January: 76.5°F
The best month for swimming (with the highest average sea temperature) is September (79.6°F).
The coldest month (with the lowest average sea temperature) is March (75.8°F).
Average daylight in January /
Average sunshine in January
Kawaihae, HI
- Average daylight in January: 11h and 1min
The month with the longest days is June (Average daylight: 13h and 18min).
The month with the shortest days is December (Average daylight: 10h and 54min).
- Average sunshine in January: 8h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).
Average sunshine days in January
Kawaihae, HI
- Average sunshine days in January: 9.7 days
The month with the most sunshine days is January (9.7 days).
The month with the least sunshine days is September (0.8 days).
Average UV index in January
Kawaihae, HI
- Average UV index in January: 4
The months with the highest UV index are May, June, July, August, September and October (UV index 5).
The months with the lowest UV index are January, February, March, April, November and December (UV index 4).
Average cloud cover in January
Kawaihae, HI
- Average cloud cover in January: 29
The months with the most cloud cover are April and September (Cloud cover 43).
The month with the least cloud cover is January (Cloud cover 29).
Average visibility in January
Kawaihae, 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).
Kawaihae, Hawaii, USA
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