Weather in Oahu Island, United States in December

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Visiting Oahu Island, United States in December

December has average maximum temperatures of 26°C (79°F) which is very warm and perfect for sunbathing on clear days. The sunshine percentage is 47.3% making it quite sunny but with regular periods of cloudy and overcast skies. There are 5.1 hours of sunshine per day. December has total rainfall of 12.7cm (5.0inches) making it a bit rainy but with only moderate tropical showers. There are 16.1 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 warm 25°C (77°F). December is a good month for swimming in Oahu Island with comfortable temperatures for most people.

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 December.

Can you sunbathe in Oahu Island in December?

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

December has average maximum temperatures of 26°C (79°F) which is very warm and perfect for sunbathing on clear days. The sunshine percentage is 47.3% making it quite sunny but with regular periods of cloudy and overcast skies. There are 5.1 hours of sunshine per day. December has total rainfall of 12.7cm (5.0inches) making it a bit rainy but with only moderate tropical showers. There are 16.1 days with some rainfall so you can still enjoy the beach on the clear days.

More about December temperature and sunshine.

Can you swim in Oahu Island in December?

Yes, December is a good month for swimming in Oahu Island with warm sea temperatures 25°C (77°F).

More about December sea temperatures.

Is December a good time to holiday in Oahu Island?

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

December has average maximum temperatures of 26°C (79°F) which is very warm and perfect for sunbathing on clear days. The sunshine percentage is 47.3% making it quite sunny but with regular periods of cloudy and overcast skies. There are 5.1 hours of sunshine per day. December has total rainfall of 12.7cm (5.0inches) making it a bit rainy but with only moderate tropical showers. There are 16.1 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 warm 25°C (77°F). December is a good month for swimming in Oahu Island with comfortable temperatures for most people.

More about the December temperatures and sunshine.

Is Oahu Island warm in December?

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

The average maximum temperature in Oahu Island in December is 26°C (79°F). The average maximum temperature is 27°C (81°) in the previous month and 26°C (78°F) in the next month.

The average temperature in Oahu Island in December is 23°C (73°F). The average temperature is 24°C (75°F) in the previous month and 22°C (72°F) in the next month.

More info about the December temperatures and sunshine.

How sunny is Oahu Island in December?

The average day light hours per day in Oahu Island in December are 10.8. The sunshine percentage is 47.3% making it quite sunny but with regular periods of cloudy and overcast skies. There are 5.1 hours of sunshine per day.

More about December sunshine.

Temperature in Oahu Island in December

The average maximum temperature in Oahu Island in December is 26°C (79°F). The average maximum temperature is 27°C (81°F) in the previous month and 26°C (78°F) in the next month.

The average temperature in Oahu Island in December is 23°C (73°F). The average temperature is 24°C (75°F) in the previous month and 22°C (72°F) in the next month.

The average minimum temperature in Oahu Island in December is 20°C (67°F). The minimum temperature is 21°C (69°F) in the previous month and 19°C (66°F) in the next month.

Sunshine in Oahu Island in December

During December the average day light hours are 10.8 per day in Oahu Island. The sunshine percentage is 47.3% making it quite sunny but with regular periods of cloudy and overcast skies. There are 5.1 hours of sunshine per day.

The ultraviolet index in Oahu Island in December is typically 6.4 during December. An ultraviolet index reading of 6 to 7 indicates a high risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 20 minutes. Protection against skin and eye damage is needed. Tanning will be safest before 10am and after 4pm. 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 December

The average sea water temperature in Oahu Island in December is 24.9°C (76.8°F) which is warm and pleasant for relaxing and swimming for long periods.

Rainfall in Oahu Island in December

The average total rainfall in Oahu Island in December is 12.7cm (5.0inches) and on average there are 16.1 rainy days in December making it a wet time to visit the beach.

Humidity in Oahu Island in December

The maximum dew point (an indicator of humidity) in Oahu Island in December is 20°C (67°F) which is somewhat uncomfortable for most people in cities but fine on a beach. The dew point is 20°C (69°F) in the previous month and 19°C (19°F) in the next month.

The average maximum relative humidity in Oahu Island in December is typically 88.1%. The maximum relative humidity is 87.1% in the previous month and 87.8% in the next month.

The average relative humidity in Oahu Island in December is typically 75.5%. The average relative humidity is 74.4% in the previous month and 74.8% in the next month.

Wind Speed in Oahu Island in December

The average maximum wind speed in Oahu Island in December is typically 26KM/H (16MPH). 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 December is typically 13KM/H (8MPH). The average wind speed is 14KM/H (8MPH) in the previous month and 14KM/H (8MPH) in the next month.

The average wind direction in Oahu Island in December is from the East-Northeast.

Monthly Averages

Suggested Beaches in December

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Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.

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Need Inspiration?

Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.