Weather in Stewart Island, New Zealand in July

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Visiting Stewart Island, New Zealand in July

The weather in July is slightly colder than the previous month. July has average maximum temperatures of 12°C (54°F) which is too cold for sunbathing. The sunshine percentage is 48.7% making it quite sunny but with regular periods of cloudy and overcast skies. There are 4.7 hours of sunshine per day. It is not a good time for sunbathing in Stewart Island.

July has total rainfall of 3.8cm (1.5inches) making it mostly dry but with short lived occasional showers. There are only 13.9 days with some rainfall so you can still enjoy the beach on the majority of days.

Sea temperatures are a cold 13°C (56°F). July is too cold for swimming in Stewart Island for any length of time, unless you have a wetsuit. The sea temperature in July is marginally cooler than the previous month and temperatures continue to drop slightly into August.

Consider visiting Stewart Island in the months of January, February, March, December, for the best beach weather. Also consider one of our other suggestions for July.

Can you sunbathe in Stewart Island in July?

No, July is not a good time for sunbathing in Stewart Island.

July has average maximum temperatures of 12°C (54°F) which is too cold for sunbathing. The sunshine percentage is 48.7% making it quite sunny but with regular periods of cloudy and overcast skies. There are 4.7 hours of sunshine per day. July has total rainfall of 3.8cm (1.5inches) making it mostly dry but with short lived occasional showers. There are only 13.9 days with some rainfall so you can still enjoy the beach on the majority of days.

More about July temperature and sunshine.

Can you swim in Stewart Island in July?

No, July is too cold for swimming in Stewart Island for any length of time, with the sea water at 13°C (56°F), unless you have a wetsuit.

More about July sea temperatures.

Is July a good time to holiday in Stewart Island?

No, July is not a good time for a holiday in Stewart Island.

July has average maximum temperatures of 12°C (54°F) which is too cold for sunbathing. The sunshine percentage is 48.7% making it quite sunny but with regular periods of cloudy and overcast skies. There are 4.7 hours of sunshine per day. July has total rainfall of 3.8cm (1.5inches) making it mostly dry but with short lived occasional showers. There are only 13.9 days with some rainfall so you can still enjoy the beach on the majority of days. It is not a good time for sunbathing in Stewart Island. Sea temperatures are a cold 13°C (56°F). July is too cold for swimming in Stewart Island for any length of time, unless you have a wetsuit.

More about the July temperatures and sunshine.

Is Stewart Island warm in July?

No, Stewart Island is too cold for sunbathing in July.

The average maximum temperature in Stewart Island in July is 12°C (54°F). The average maximum temperature is 13°C (56°) in the previous month and 13°C (55°F) in the next month.

The average temperature in Stewart Island in July is 9°C (48°F). The average temperature is 10°C (50°F) in the previous month and 10°C (49°F) in the next month.

More info about the July temperatures and sunshine.

How sunny is Stewart Island in July?

The average day light hours per day in Stewart Island in July are 9.7. The sunshine percentage is 48.7% making it quite sunny but with regular periods of cloudy and overcast skies. There are 4.7 hours of sunshine per day.

More about July sunshine.

Temperature in Stewart Island in July

The weather in July is slightly colder than the previous month. The average maximum temperature in Stewart Island in July is 12°C (54°F). The average maximum temperature is 13°C (56°F) in the previous month and 13°C (55°F) in the next month.

The average temperature in Stewart Island in July is 9°C (48°F). The average temperature is 10°C (50°F) in the previous month and 10°C (49°F) in the next month.

The average minimum temperature in Stewart Island in July is 6°C (43°F). The minimum temperature is 7°C (45°F) in the previous month and 7°C (45°F) in the next month.

Sunshine in Stewart Island in July

The days in July are marginally longer than the previous month and the days continue to get slightly longer into August. July has marginally more hours of sunshine than the previous month and hours of sunshine continue to rise slightly into August. During July the average day light hours are 9.7 per day in Stewart Island. The sunshine percentage is 48.7% making it quite sunny but with regular periods of cloudy and overcast skies. There are 4.7 hours of sunshine per day.

The ultraviolet index in Stewart Island in July is typically 2.1 during July. An ultraviolet index reading of 0 to 2 indicates low danger from the sun's UV rays for the average person. Most people will be able to spend several hours in the sun with out a problem, however unprotected skin risks burning in less than 1 hour. Wear sunglasses on bright days. Only those that burn easily will need to apply sunscreen. Watch out for relections from water that may increase ultraviolet exposure.

Sea Temperature in Stewart Island in July

The average sea water temperature in Stewart Island in July is 13.1°C (55.6°F) which is cold for swimming, a full wet suit is required to spend any length of time in the sea. The sea temperature in July is marginally cooler than the previous month and temperatures continue to drop slightly into August.

Rainfall in Stewart Island in July

July weather is slightly drier than the previous month. July has fewer days of rain than the previous month. The average total rainfall in Stewart Island in July is 3.8cm (1.5inches) and on average there are 13.9 rainy days in July making it a pretty wet time to visit the beach.

Humidity in Stewart Island in July

The maximum dew point (an indicator of humidity) in Stewart Island in July is 7°C (44°F) which is a bit dry for some. The dew point is 7°C (45°F) in the previous month and 7°C (7°F) in the next month.

The average maximum relative humidity in Stewart Island in July is typically 61.4%. The maximum relative humidity is 61.3% in the previous month and 60.5% in the next month.

The average relative humidity in Stewart Island in July is typically 53.8%. The average relative humidity is 54.1% in the previous month and 52.7% in the next month.

Wind Speed in Stewart Island in July

The average maximum wind speed in Stewart Island in July is typically 17KM/H (11MPH). The average maximum wind speed is 17KM/H (10MPH) in the previous month and 18KM/H (11MPH) in the next month.

The average wind speed in Stewart Island in July is typically 9KM/H (6MPH). The average wind speed is 9KM/H (6MPH) in the previous month and 10KM/H (6MPH) in the next month.

The average wind direction in Stewart Island in July is from the South.

Monthly Averages

Suggested Beaches in July

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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.