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 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
January's weather displays an average high-temperature of a still moderately hot 74.7°F (23.7°C), slightly varied from December's 75.7°F (24.3°C). Olowalu records a mild decrease in temperature during the nights of January, averaging an agreeable 71.6°F (22°C).Humidity
January and February, with an average relative humidity of 74%, are the least humid months.Rainfall
In Olowalu, during January, the rain falls for 8.8 days and regularly aggregates up to 0.55" (14mm) of precipitation. Throughout the year, there are 103.4 rainfall days, and 6.57" (167mm) of precipitation is accumulated.Daylight
In Olowalu, the average length of the day in January is 11h and 2min.On the first day of January, sunrise is at 7:03 am and sunset at 5:56 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:16 pm HST.
Sunshine
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 in Olowalu, Hawaii. 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: In January, a daily UV index of 6 turns into the following recommendations:
Guard against overexposure. Protection from sun-induced harm is essential. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in January?
What is the least humid month?
What is the average humidity in January?
How many days does it rain in January?
How many hours of daylight does Olowalu have in January?
What time are sunrise and sunset in January?
How many hours of sunshine does Olowalu have in January?
What are the months with the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Olowalu, 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
Olowalu, 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
Olowalu, 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
Olowalu, 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
Olowalu, 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
Olowalu, 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 daylight in January /
Average sunshine in January
Olowalu, 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 4min
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
Olowalu, 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
Olowalu, 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
Olowalu, 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
Olowalu, 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).
Olowalu, Hawaii, USA
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