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
With the onset of January, the average high-temperature registers at a still moderately hot 75.2°F (24°C), subtly different from December's 75.9°F (24.4°C). January nights witness a mild cool down to an average low of 71.8°F (22.1°C).Humidity
The months with the lowest humidity are January and November, with an average relative humidity of 74%.Rainfall
In January, the rain falls for 12.6 days. Throughout January, 1.14" (29mm) of precipitation is accumulated. Throughout the year, there are 169.9 rainfall days, and 13.15" (334mm) of precipitation is accumulated.Daylight
The average length of the day in January 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, in Maunawili, sunrise is at 7:08 am and sunset at 6:20 pm HST.
Sunshine
In January, the average sunshine 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. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: A daily high UV index of 6 in January leads to these guidelines:
Take precautions against overexposure. Protection against sun damage is needed. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Maunawili in January?
What is the least humid month?
What is the average humidity in January?
How much does it rain in Maunawili in January?
How many hours of daylight does Maunawili have in January?
When are sunrise and sunset in January?
How long on average sun shines in January?
What are the months with the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Maunawili, 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
Maunawili, 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
Maunawili, 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
Maunawili, 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
Maunawili, 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
Maunawili, 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 daylight in January /
Average sunshine in January
Maunawili, 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 12min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).
Average sunshine days in January
Maunawili, 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
Maunawili, 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
Maunawili, 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
Maunawili, 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).
Maunawili, Hawaii, USA
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