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 shift into January reveals an average high-temperature of a still agreeable 69.4°F (20.8°C), closely mirroring December's climate. A consistent average low-temperature of 65.1°F (18.4°C), with a minor variance from the daytime highs, is noted in Captain Cook during the nights of January.Humidity
The average relative humidity in January in Captain Cook, Hawaii, is 75%.Rainfall
January is the month with the least rainfall in Captain Cook, Hawaii. Rain falls for 10.8 days and accumulates 0.75" (19mm) of precipitation.Daylight
In Captain Cook, the average length of the day in January is 11h and 7min.On the first day of January in Captain Cook, sunrise is at 6:57 am and sunset at 5:56 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 6:15 pm HST.
Sunshine
The average sunshine in January in Captain Cook is 9h.UV index
The months with the lowest UV index are January through April, November and December, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum high daily UV index of 5 during January translates into the following directions:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Frequently asked questions
What is the temperature in January in Captain Cook?
What is the average humidity in January in Captain Cook?
What is the driest month in Captain Cook?
How much does it rain in Captain Cook in January?
How many hours of daylight does Captain Cook have in January?
What time are sunrise and sunset in January in Captain Cook?
How long on average sun shines in January in Captain Cook?
When is the lowest UV index in Captain Cook?
What is the UV index intensity in January in Captain Cook?
Average temperature in January
Captain Cook, HI
- Average high temperature in January: 69.4°F
The warmest months (with the highest average high temperature) are August and October (73.2°F).
The month with the lowest average high temperature is February (68.9°F).
- Average low temperature in January: 65.1°F
The month with the highest average low temperature is October (70°F).
The coldest month (with the lowest average low temperature) is March (64.8°F).
Average pressure in January
Captain Cook, 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
Captain Cook, HI
- Average wind speed in January: 5.5mph
The windiest month (with the highest average wind speed) is May (6.3mph).
The calmest month (with the lowest average wind speed) is December (5.3mph).
Average humidity in January
Captain Cook, HI
- Average humidity in January: 75%
The months with the highest relative humidity are June, July, August and September (81%).
The month with the lowest relative humidity is February (73%).
Average rainfall in January
Captain Cook, HI
- Average rainfall in January: 0.75"
The wettest month (with the highest rainfall) is September (1.81").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days in January
Captain Cook, HI
- Average rainfall days in January: 10.8 days
The month with the highest number of rainy days is August (21.8 days).
The month with the least rainy days is January (10.8 days).
Average daylight in January /
Average sunshine in January
Captain Cook, 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: 11h and 0min).
- Average sunshine in January: 9h and 0min
The month with the most sunshine is May (Average sunshine: 10h and 42min).
The months with the least sunshine are November and December (Average sunshine: 7h and 18min).
Average sunshine days in January
Captain Cook, HI
- Average sunshine days in January: 12.7 days
The month with the most sunshine days is January (12.7 days).
The month with the least sunshine days is May (3.2 days).
Average UV index in January
Captain Cook, HI
- Average UV index in January: 5
The months with the highest UV index are May, June, July, August, September and October (UV index 6).
The months with the lowest UV index are January, February, March, April, November and December (UV index 5).
Average cloud cover in January
Captain Cook, HI
- Average cloud cover in January: 15
The month with the most cloud cover is June (Cloud cover 31).
The month with the least cloud cover is January (Cloud cover 15).
Average visibility in January
Captain Cook, 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).
Captain Cook, Hawaii, USA
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