Beach weather in Oahu Island, United States in January

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Visiting Oahu Island, United States in January

26°C (78°F) Air Temperature

25°C (78°F) Sea Temperature

5.8 Hrs of Sun / Day

15.5 Days of Rain

January has average maximum temperatures of 26°C (78°F) which is very warm and perfect for sunbathing on clear days. The sunshine percentage is 52.5% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 5.8 hours of sunshine per day. January has total rainfall of 10.7cm (4.2inches) making it a bit rainy but with only moderate tropical showers. There are 15.5 days with some rainfall so you can still enjoy the beach on the clear days. It is not an optimal time for sunbathing but it is possible on clearer days in Oahu Island. Sea temperatures are a very warm 25°C (78°F). January is an excellent month for swimming in Oahu Island with very comfortable temperatures for bathing all day.

Consider visiting Oahu Island in the months of June, July, August, September, for the best beach weather.

Also consider one of our other suggestions for January.

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Can you sunbathe in Oahu Island in January?

Yes, January is not an optimal time for sunbathing but it is possible on clearer days in Oahu Island.

More about January temperature and sunshine.

Can you swim in Oahu Island in January?

Yes, January is an excellent month for swimming in Oahu Island with very warm sea temperatures 25°C (78°F).

More about January sea temperatures.

Is January a good time to holiday in Oahu Island?

Yes, January is a good time for a holiday in Oahu Island.

More about the January temperatures and sunshine.

Is Oahu Island warm in January?

Yes, Oahu Island is very warm and perfect for sunbathing on clear days in January.

The average maximum temperature in Oahu Island in January is 26°C (78°F). The average maximum temperature is 26°C (79°) in the previous month and 25°C (78°F) in the next month.

The average temperature in Oahu Island in January is 22°C (72°F). The average temperature is 23°C (73°F) in the previous month and 22°C (71°F) in the next month.

More info about the January temperatures and sunshine.

How sunny is Oahu Island in January?

The average day light hours per day in Oahu Island in January are 11. The sunshine percentage is 52.5% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 5.8 hours of sunshine per day.

More about January sunshine.

Temperature in Oahu Island in January

The average maximum temperature in Oahu Island in January is 26°C (78°F). The average maximum temperature is 26°C (79°F) in the previous month and 25°C (78°F) in the next month.

The average temperature in Oahu Island in January is 22°C (72°F). The average temperature is 23°C (73°F) in the previous month and 22°C (71°F) in the next month.

The average minimum temperature in Oahu Island in January is 19°C (66°F). The minimum temperature is 20°C (67°F) in the previous month and 19°C (66°F) in the next month.

Sunshine in Oahu Island in January

During January the average day light hours are 11 per day in Oahu Island. The sunshine percentage is 52.5% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 5.8 hours of sunshine per day.

The ultraviolet index in Oahu Island in January is typically 7.1 during January. An ultraviolet index reading of 8 to 10 indicates a very high risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 15 minutes. Take extra precautions because unprotected skin and eyes will be damaged and can burn quickly. Tanning will be safest before 10am and after 4pm but only with a good application of sun screen. For those with sensitive skin stay in the shade and wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days. Watch out for relections from water that may increase ultraviolet exposure.

Sea Temperature in Oahu Island in January

The average sea water temperature in Oahu Island in January is 25.4°C (77.7°F) which is warm and pleasant for relaxing and swimming for long periods.

Rainfall in Oahu Island in January

The average total rainfall in Oahu Island in January is 10.7cm (4.2inches) and on average there are 15.5 rainy days in January making it a wet time to visit the beach.

Humidity in Oahu Island in January

The maximum dew point (an indicator of humidity) in Oahu Island in January is 19°C (66°F) which is somewhat uncomfortable for most people in cities but fine on a beach. The dew point is 20°C (67°F) in the previous month and 19°C (19°F) in the next month.

The average maximum relative humidity in Oahu Island in January is typically 87.8%. The maximum relative humidity is 88.1% in the previous month and 86.7% in the next month.

The average relative humidity in Oahu Island in January is typically 74.8%. The average relative humidity is 75.5% in the previous month and 74.1% in the next month.

Wind Speed in Oahu Island in January

The average maximum wind speed in Oahu Island in January is typically 27KM/H (17MPH). The average maximum wind speed is 26KM/H (16MPH) in the previous month and 27KM/H (17MPH) in the next month.

The average wind speed in Oahu Island in January is typically 14KM/H (8MPH). The average wind speed is 13KM/H (8MPH) in the previous month and 14KM/H (9MPH) in the next month.

The average wind direction in Oahu Island in January is from the North-Northeast.

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