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
The advent of January sees the average high-temperature at a still warm 73.4°F (23°C), subtly shifted from December's 74.8°F (23.8°C). Puako documents a consistent average low-temperature of 70°F (21.1°C) at night during January.Humidity
The average relative humidity in January in Puako is 73%.Rainfall
The month with the least rainfall is January, when the rain falls for 8.2 days and typically collects 0.47" (12mm) of precipitation.Daylight
In January, the average length of the day is 11h and 5min.On the first day of the month, sunrise is at 6:58 am and sunset at 5:55 pm. On the last day of January, sunrise is at 6:58 am and sunset at 6:14 pm HST.
Sunshine
The average sunshine in January is 9.1h.UV index
January through December, with an average maximum UV index of 6, are months with the highest UV index in Puako. January through December, with an average maximum UV index of 6, are months with the lowest UV index in Puako, Hawaii. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In January, a regular UV index of 6 translates into these guidelines:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are January temperatures?
What is the average humidity in January?
What is the driest month?
How much does it rain in January?
What is the average length of the day in January?
When is the sunrise / sunset in January?
How long on average sun shines in January?
When is the highest UV index?
When is the lowest UV index?
How high is the UV index in January?
Average temperature in January
Puako, HI
- Average high temperature in January: 73.4°F
The warmest month (with the highest average high temperature) is August (78.4°F).
The month with the lowest average high temperature is February (73.2°F).
- Average low temperature in January: 70°F
The months with the highest average low temperature are August, September and October (74.8°F).
The coldest month (with the lowest average low temperature) is March (69.4°F).
Average pressure in January
Puako, HI
- Average pressure in January: 29.99"Hg
The month with the highest atmospheric pressure is April (30.04"Hg).
The months with the lowest atmospheric pressure are September and October (29.96"Hg).
Average wind speed in January
Puako, HI
- Average wind speed in January: 5.9mph
The windiest month (with the highest average wind speed) is February (6.2mph).
The calmest month (with the lowest average wind speed) is July (5mph).
Average humidity in January
Puako, HI
- Average humidity in January: 73%
The months with the highest relative humidity are June, July and August (77%).
The month with the lowest relative humidity is February (71%).
Average rainfall in January
Puako, HI
- Average rainfall in January: 0.47"
The wettest month (with the highest rainfall) is February (0.98").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in January
Puako, HI
- Average rainfall days in January: 8.2 days
The month with the highest number of rainy days is May (14.4 days).
The month with the least rainy days is February (8.1 days).
Average daylight in January /
Average sunshine in January
Puako, 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: 9h and 1min
The month with the most sunshine is June (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 7h and 24min).
Average sunshine days in January
Puako, HI
- Average sunshine days in January: 14.5 days
The month with the most sunshine days is January (14.5 days).
The month with the least sunshine days is October (6.8 days).
Average UV index in January
Puako, HI
- Average UV index in January: 6
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 6).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 6).
Average cloud cover in January
Puako, HI
- Average cloud cover in January: 12
The months with the most cloud cover are April, May and June (Cloud cover 21).
The month with the least cloud cover is January (Cloud cover 12).
Average visibility in January
Puako, 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).
Puako, Hawaii, USA
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