Weather in Oahu Island, United States in July

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Visiting Oahu Island, United States in July

July is one of the best months to visit Oahu Island for the best beach weather. It has the most sunshine and best sunbathing and swimming conditions of the year.

The weather in July is marginally warmer than the previous month and temperatures continue to rise slightly into August. July has average maximum temperatures of 29°C (83°F) which is very warm and perfect for sunbathing on clear days. The sunshine percentage is 56.3% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 7.5 hours of sunshine per day.

July has total rainfall of 5.1cm (2.0inches) making it often dry with only light showers. There are 17.8 days with some rainfall so you can still enjoy the beach on the clear days.

Sea temperatures are a very warm 27°C (80°F). July is an excellent month for swimming in Oahu Island with very comfortable temperatures for bathing all day. The sea temperature in July is marginally warmer than the previous month and temperatures continue to rise slightly into August.

Also consider visiting Oahu Island in one of the other best months of June, August, September, for the best beach weather. Also consider one of our other suggestions for July.

Can you sunbathe in Oahu Island in July?

Yes, July is a good time for sunbathing in Oahu Island.

July has average maximum temperatures of 29°C (83°F) which is very warm and perfect for sunbathing on clear days. The sunshine percentage is 56.3% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 7.5 hours of sunshine per day. July has total rainfall of 5.1cm (2.0inches) making it often dry with only light showers. There are 17.8 days with some rainfall so you can still enjoy the beach on the clear days.

More about July temperature and sunshine.

Can you swim in Oahu Island in July?

Yes, July is an excellent month for swimming in Oahu Island with very warm sea temperatures 27°C (80°F).

More about July sea temperatures.

Is July a good time to holiday in Oahu Island?

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

July has average maximum temperatures of 29°C (83°F) which is very warm and perfect for sunbathing on clear days. The sunshine percentage is 56.3% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 7.5 hours of sunshine per day. July has total rainfall of 5.1cm (2.0inches) making it often dry with only light showers. There are 17.8 days with some rainfall so you can still enjoy the beach on the clear days. Sea temperatures are a very warm 27°C (80°F). July is an excellent month for swimming in Oahu Island with very comfortable temperatures for bathing all day.

More about the July temperatures and sunshine.

Is Oahu Island warm in July?

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

The average maximum temperature in Oahu Island in July is 29°C (83°F). The average maximum temperature is 28°C (83°) in the previous month and 29°C (84°F) in the next month.

The average temperature in Oahu Island in July is 26°C (78°F). The average temperature is 25°C (77°F) in the previous month and 26°C (78°F) in the next month.

More info about the July temperatures and sunshine.

How sunny is Oahu Island in July?

The average day light hours per day in Oahu Island in July are 13.3. The sunshine percentage is 56.3% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 7.5 hours of sunshine per day.

More about July sunshine.

Temperature in Oahu Island in July

The weather in July is marginally warmer than the previous month and temperatures continue to rise slightly into August. The average maximum temperature in Oahu Island in July is 29°C (83°F). The average maximum temperature is 28°C (83°F) in the previous month and 29°C (84°F) in the next month.

The average temperature in Oahu Island in July is 26°C (78°F). The average temperature is 25°C (77°F) in the previous month and 26°C (78°F) in the next month.

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

Sunshine in Oahu Island in July

The days in July are marginally shorter than the previous month and days continue to get marginally shorter into August. July has a slightly more hours of sunshine than the previous month. During July the average day light hours are 13.3 per day in Oahu Island. The sunshine percentage is 56.3% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 7.5 hours of sunshine per day.

The ultraviolet index in Oahu Island in July is typically 13 during July. An ultraviolet index reading above 11 indicates an extreme risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 10 minutes. Take all precautions because unprotected skin and eyes can burn in minutes. 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 July

The average sea water temperature in Oahu Island in July is 26.7°C (80.1°F) which is very warm and ideal for relaxing and swimming for the whole day. The sea temperature in July is marginally warmer than the previous month and temperatures continue to rise slightly into August.

Rainfall in Oahu Island in July

July weather is marginally wetter than the previous month and rainfall continues to rise slightly into August. July has a few more days of rain than the previous month. The average total rainfall in Oahu Island in July is 5.1cm (2.0inches) and on average there are 17.8 rainy days in July making it a wet time to visit the beach.

Humidity in Oahu Island in July

The maximum dew point (an indicator of humidity) in Oahu Island in July is 21°C (70°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 21°C (21°F) in the next month.

The average maximum relative humidity in Oahu Island in July is typically 84.5%. The maximum relative humidity is 84.3% in the previous month and 83.4% in the next month.

The average relative humidity in Oahu Island in July is typically 71.2%. The average relative humidity is 71.1% in the previous month and 70% in the next month.

Wind Speed in Oahu Island in July

The average maximum wind speed in Oahu Island in July is typically 28KM/H (18MPH). The average maximum wind speed is 29KM/H (18MPH) in the previous month and 29KM/H (18MPH) in the next month.

The average wind speed in Oahu Island in July is typically 16KM/H (10MPH). The average wind speed is 16KM/H (10MPH) in the previous month and 15KM/H (10MPH) in the next month.

The average wind direction in Oahu Island in July is from the East.

Monthly Averages

Suggested Beaches in July

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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.