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 onset of January in Ewa Beach brings with it an average high-temperature of a still moderately hot 75.9°F (24.4°C), showing a negligible variation from the month before. Ewa Beach, during January nights, observes a steady temperature, averaging at a pleasant 70.5°F (21.4°C).Humidity
January, April through June, August through November, with an average relative humidity of 74%, are the least humid months in Ewa Beach.Rainfall
In Ewa Beach, Hawaii, in January, it is raining for 12.3 days, with typically 0.98" (25mm) of accumulated precipitation. Throughout the year, in Ewa Beach, Hawaii, there are 172.2 rainfall days, and 12.72" (323mm) of precipitation is accumulated.Ocean temperature
In Ewa Beach, in January, the average water temperature is 76.8°F (24.9°C).Note: If you're wary of the cold, the surrounding conditions—sunshine, wind, and air temperature become crucial when swimming in 76.8°F (24.9°C) waters. Olympic standards, for reference, are set between 77°F (25°C) and 82.4°F (28°C).
Daylight
The average length of the day in January is 11h and 1min.On the first day of January, sunrise is at 7:09 am and sunset at 6:01 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 6:21 pm HST.
Sunshine
The average sunshine in January in Ewa Beach is 8.7h.UV index
January through May, October through December, with an average maximum UV index of 6, are months with the lowest UV index in Ewa Beach. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index, 6 in January, converts into the following recommendations:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Take note! Sand and water reflections strengthen the Sun's UV exposure.
Frequently asked questions
What is the usual temperature for Ewa Beach in January?
What are the least humid months in Ewa Beach?
What is the average humidity in January in Ewa Beach?
How many days does it rain in January in Ewa Beach?
What is the water temperature in January in Ewa Beach?
How many hours of daylight does Ewa Beach have in January?
When is the sunrise / sunset in January in Ewa Beach?
How long on average sun shines in January in Ewa Beach?
When is the lowest UV index in Ewa Beach?
What is the UV index reading in January in Ewa Beach?
Average temperature in January
Ewa Beach, HI
- Average high temperature in January: 75.9°F
The warmest months (with the highest average high temperature) are August and September (81.5°F).
The month with the lowest average high temperature is February (74.8°F).
- Average low temperature in January: 70.5°F
The months with the highest average low temperature are August and September (76.3°F).
The coldest month (with the lowest average low temperature) is February (69.4°F).
Average pressure in January
Ewa Beach, 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
Ewa Beach, HI
- Average wind speed in January: 9.1mph
The windiest month (with the highest average wind speed) is July (11.9mph).
The calmest months (with the lowest average wind speed) are January and October (9.1mph).
Average humidity in January
Ewa Beach, HI
- Average humidity in January: 74%
The month with the highest relative humidity is December (76%).
The months with the lowest relative humidity are January, April, May, June, August, September, October and November (74%).
Average rainfall in January
Ewa Beach, HI
- Average rainfall in January: 0.98"
The wettest month (with the highest rainfall) is March (1.77").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days in January
Ewa Beach, HI
- Average rainfall days in January: 12.3 days
The month with the highest number of rainy days is March (18.1 days).
The month with the least rainy days is July (11.3 days).
Average sea temperature in January
Ewa Beach, HI
- Average sea temperature in January: 76.9°F
The best month for swimming (with the highest average sea temperature) is September (80.6°F).
The coldest month (with the lowest average sea temperature) is March (75.7°F).
Average daylight in January /
Average sunshine in January
Ewa Beach, 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 0min).
The month with the least sunshine is November (Average sunshine: 6h and 42min).
Average sunshine days in January
Ewa Beach, HI
- Average sunshine days in January: 13.9 days
The months with the most sunshine days are July and August (15.3 days).
The month with the least sunshine days is March (6.8 days).
Average UV index in January
Ewa Beach, HI
- Average UV index in January: 6
The months with the highest UV index are June, July, August and September (UV index 7).
The months with the lowest UV index are January, February, March, April, May, October, November and December (UV index 6).
Average cloud cover in January
Ewa Beach, HI
- Average cloud cover in January: 31
The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in January
Ewa Beach, 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).
Ewa Beach, Hawaii, USA
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