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
The arrival of January sees an average high-temperature of a still moderately hot 75.2°F (24°C), hardly diverging from December's 75.9°F (24.4°C). Throughout January, Kalaupapa records a steady low-temperature average of 72.1°F (22.3°C), a minor decrease from its daytime counterpart.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 10.3 days. Throughout January, 0.87" (22mm) of precipitation is accumulated. Throughout the year, there are 126.4 rainfall days, and 9.84" (250mm) of precipitation is accumulated.Ocean temperature
The months with the coldest seawater are January through April, with an average ocean temperature of 75.2°F (24°C).Note: If you're wary of the cold, the surrounding conditions—sunshine, wind, and air temperature become crucial when swimming in 75.2°F (24°C) waters. Olympic standards, for reference, are set between 77°F (25°C) and 82.4°F (28°C).
Daylight
In January, the average length of the day is 11h and 1min.On the first day of the month, sunrise is at 7:05 am and sunset at 5:57 pm. On the last day of January, sunrise is at 7:05 am and sunset at 6:17 pm HST.
Sunshine
In Kalaupapa, the average sunshine in January is 8.7h.UV index
The months with the lowest UV index are January through May, November and December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the average person.Note: The average daily UV index of 6 in January transforms into the following instructions:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Enhance your sun protection with tightly woven, yet airy clothing. Warning! The reflection of sand and water increases the UV dose.
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?
What are the months with the coldest ocean?
What is the water temperature in January?
How many hours of daylight does Kalaupapa have in January?
When is the sunrise / sunset in January?
How long on average sun shines in January?
What is the month with the lowest UV index?
How high is the UV index in January?
Average temperature in January
Kalaupapa, HI
- Average high temperature in January: 75.2°F
The warmest months (with the highest average high temperature) are August and September (80.2°F).
The month with the lowest average high temperature is February (74.3°F).
- Average low temperature in January: 72.1°F
The months with the highest average low temperature are September and October (77.2°F).
The coldest month (with the lowest average low temperature) is March (71.2°F).
Average pressure in January
Kalaupapa, HI
- Average pressure in January: 30"Hg
The months with the highest atmospheric pressure are March and April (30.05"Hg).
The months with the lowest atmospheric pressure are September and October (29.97"Hg).
Average wind speed in January
Kalaupapa, HI
- Average wind speed in January: 10.8mph
The windiest month (with the highest average wind speed) is July (13.9mph).
The calmest month (with the lowest average wind speed) is January (10.8mph).
Average humidity in January
Kalaupapa, HI
- Average humidity in January: 74%
The months with the highest relative humidity are April, May, June, July and August (76%).
The months with the lowest relative humidity are January and November (74%).
Average rainfall in January
Kalaupapa, HI
- Average rainfall in January: 0.87"
The wettest month (with the highest rainfall) is March (1.3").
The driest month (with the least rainfall) is July (0.31").
Average rainfall days in January
Kalaupapa, HI
- Average rainfall days in January: 10.3 days
The month with the highest number of rainy days is March (13.2 days).
The month with the least rainy days is July (8.5 days).
Average sea temperature in January
Kalaupapa, HI
- Average sea temperature in January: 75°F
The best month for swimming (with the highest average sea temperature) is September (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
Kalaupapa, 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: 6h and 48min).
Average sunshine days in January
Kalaupapa, HI
- Average sunshine days in January: 15.3 days
The month with the most sunshine days is July (16.1 days).
The month with the least sunshine days is November (10.8 days).
Average UV index in January
Kalaupapa, HI
- Average UV index in January: 6
The months with the highest UV index are June, July, August, September and October (UV index 7).
The months with the lowest UV index are January, February, March, April, May, November and December (UV index 6).
Average cloud cover in January
Kalaupapa, HI
- Average cloud cover in January: 26
The months with the most cloud cover are February and March (Cloud cover 30).
The month with the least cloud cover is September (Cloud cover 23).
Average visibility in January
Kalaupapa, 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).
Kalaupapa, Hawaii, USA
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