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 snowfall 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
The ushering in of January brings an average high-temperature of a still warm 75.7°F (24.3°C), closely mirroring the 77°F (25°C) of December. January witnesses a minor deviation from daytime peaks, with an average nighttime temperature of 72.5°F (22.5°C).Humidity
The months with the lowest humidity are January and November, with an average relative humidity of 73%.Rainfall
In January, the rain falls for 9.4 days. Throughout January, 0.75" (19mm) of precipitation is accumulated. Throughout the year, there are 98.9 rainfall days, and 7.64" (194mm) of precipitation is accumulated.Snowfall
In Lanai City, snow does not fall in January through August, October through December.Ocean temperature
January through April, with an average ocean temperature of 75.2°F (24°C), are months with the coldest seawater.Note: For individuals prone to feeling cold, swimming in 73.4°F (23°C) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 75.2°F (24°C).
Daylight
The average length of the day in January is 11h and 2min.On the first day of January, sunrise is at 7:04 am and sunset at 5:58 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 6:17 pm HST.
Sunshine
The average sunshine in January is 9h.UV index
January through April, 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 risk from exposure to the Sun's UV rays for the ordinary person.Note: During January, 6 as the daily maximum UV index converts into the following advice:
Deflect overexposure. Sun protection is a necessity. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Watch out! Reflections from sand and water can surge UV radiation exposure.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in January?
What are the least humid months?
What is the average humidity in January?
How much does it rain in January?
When it does not snow?
When is the ocean coldest?
What is the water temperature in January?
How many hours of daylight does Lanai City have in January?
When are sunrise and sunset in January?
How many hours of sunshine does Lanai City have in January?
What are the months with the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Lanai City, HI
- Average high temperature in January: 75.7°F
The warmest month (with the highest average high temperature) is September (81°F).
The month with the lowest average high temperature is February (74.8°F).
- Average low temperature in January: 72.5°F
The months with the highest average low temperature are August and October (77.5°F).
The coldest month (with the lowest average low temperature) is March (71.6°F).
Average pressure in January
Lanai City, HI
- Average pressure in January: 30"Hg
The month with the highest atmospheric pressure is April (30.05"Hg).
The month with the lowest atmospheric pressure is October (29.96"Hg).
Average wind speed in January
Lanai City, HI
- Average wind speed in January: 9.1mph
The windiest months (with the highest average wind speed) are March and November (10.9mph).
The calmest month (with the lowest average wind speed) is October (9mph).
Average humidity in January
Lanai City, HI
- Average humidity in January: 73%
The month with the highest relative humidity is July (75%).
The months with the lowest relative humidity are January and November (73%).
Average rainfall in January
Lanai City, HI
- Average rainfall in January: 0.75"
The wettest month (with the highest rainfall) is March (1.26").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in January
Lanai City, HI
- Average rainfall days in January: 9.4 days
The month with the highest number of rainy days is March (12.7 days).
The month with the least rainy days is July (4.7 days).
Average snowfall days in January
Lanai City, HI
- Average snowfall days in January: 0 days
The month with the highest number of snowfall days is September (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, October, November and December (0 days).
Average sea temperature in January
Lanai City, HI
- Average sea temperature in January: 75°F
The best months for swimming (with the highest average sea temperature) are September and October (81°F).
The coldest months (with the lowest average sea temperature) are January, February, March and April (75°F).
Average daylight in January /
Average sunshine in January
Lanai City, 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: 9h and 0min
The month with the most sunshine is June (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 7h and 6min).
Average sunshine days in January
Lanai City, HI
- Average sunshine days in January: 17.4 days
The month with the most sunshine days is July (25.6 days).
The month with the least sunshine days is February (12.7 days).
Average UV index in January
Lanai City, HI
- Average UV index in January: 6
The months with the highest UV index are May, June, July, August, September and October (UV index 7).
The months with the lowest UV index are January, February, March, April, November and December (UV index 6).
Average cloud cover in January
Lanai City, HI
- Average cloud cover in January: 21
The month with the most cloud cover is March (Cloud cover 27).
The month with the least cloud cover is September (Cloud cover 18).
Average visibility in January
Lanai City, 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).
Lanai City, Hawaii, USA
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