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 commencement of January in Wailua, Hawaii, introduces an average high-temperature of a still warm 74.7°F (23.7°C), closely mirroring the preceding month. Nighttime in Wailua, during January, brings an average low of 69.6°F (20.9°C), a modest reduction from the day's peak.Humidity
The least humid month is January, with an average relative humidity of 75%.Rainfall
In Wailua, in January, during 12.5 rainfall days, 1.57" (40mm) of precipitation is typically accumulated. In Wailua, during the entire year, the rain falls for 218.4 days and collects up to 22.13" (562mm) of precipitation.Ocean temperature
In Wailua, in January, the average water temperature is 76.5°F (24.7°C).Note: Given an individual's cold sensitivity, considering factors like sunshine, wind, and air temperature, a brief swim in 76.5°F (24.7°C) water might be pleasurable. (FYI: The standard water temperature for Olympic swimming contests is 77°F (25°C) to 82.4°F (28°C).)
Daylight
In January, the average length of the day is 10h and 58min.On the first day of the month, sunrise is at 7:16 am and sunset at 6:05 pm. On the last day of January, in Wailua, sunrise is at 7:15 am and sunset at 6:25 pm HST.
Sunshine
In Wailua, the average sunshine in January is 8.1h.UV index
January through August, October through December, with an average maximum UV index of 6, are months with the lowest UV index in Wailua. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index of 6 in January interprets into the following recommendations:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. 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. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.
Frequently asked questions
What is the average January temperature in Wailua?
What is the least humid month in Wailua?
What is the average humidity in January in Wailua?
How many days does it rain in January in Wailua?
What is the ocean temperature in January in Wailua?
What is the average length of the day in January in Wailua?
When are sunrise and sunset in January in Wailua?
How many hours of sunshine does Wailua have in January?
What are the months with the lowest UV index in Wailua?
What is the UV index reading in January in Wailua?
Average temperature in January
Wailua, HI
- Average high temperature in January: 74.7°F
The warmest month (with the highest average high temperature) is September (79.7°F).
The months with the lowest average high temperature are February and March (73.2°F).
- Average low temperature in January: 69.6°F
The month with the highest average low temperature is September (75.9°F).
The coldest month (with the lowest average low temperature) is February (68.5°F).
Average pressure in January
Wailua, HI
- Average pressure in January: 30.01"Hg
The month with the highest atmospheric pressure is April (30.07"Hg).
The months with the lowest atmospheric pressure are September and October (29.98"Hg).
Average wind speed in January
Wailua, HI
- Average wind speed in January: 10mph
The windiest month (with the highest average wind speed) is July (12.3mph).
The calmest month (with the lowest average wind speed) is January (10mph).
Average humidity in January
Wailua, HI
- Average humidity in January: 75%
The months with the highest relative humidity are June, July, August, October and December (77%).
The month with the lowest relative humidity is January (75%).
Average rainfall in January
Wailua, HI
- Average rainfall in January: 1.57"
The wettest month (with the highest rainfall) is March (2.52").
The driest month (with the least rainfall) is April (1.3").
Average rainfall days in January
Wailua, HI
- Average rainfall days in January: 12.5 days
The month with the highest number of rainy days is August (21.1 days).
The month with the least rainy days is January (12.5 days).
Average sea temperature in January
Wailua, HI
- Average sea temperature in January: 76.3°F
The best month for swimming (with the highest average sea temperature) is September (80.2°F).
The coldest month (with the lowest average sea temperature) is March (74.8°F).
Average daylight in January /
Average sunshine in January
Wailua, HI
- Average daylight in January: 11h and 0min
The month with the longest days is June (Average daylight: 13h and 30min).
The month with the shortest days is December (Average daylight: 10h and 48min).
- Average sunshine in January: 8h and 1min
The month with the most sunshine is June (Average sunshine: 9h and 42min).
The month with the least sunshine is November (Average sunshine: 6h and 12min).
Average sunshine days in January
Wailua, HI
- Average sunshine days in January: 12.8 days
The month with the most sunshine days is January (12.8 days).
The month with the least sunshine days is August (2.9 days).
Average UV index in January
Wailua, HI
- Average UV index in January: 6
The month with the highest UV index is September (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, October, November and December (UV index 6).
Average cloud cover in January
Wailua, HI
- Average cloud cover in January: 38
The month with the most cloud cover is March (Cloud cover 47).
The months with the least cloud cover are January and September (Cloud cover 38).
Average visibility in January
Wailua, 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).
Wailua, Hawaii, USA
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