Annual average weather for Mason Bay Beach, Stewart Island, New Zealand

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Annual Average Weather for Mason Bay Beach, Stewart Island, New Zealand

The annual average maximum daily temperature is 13.8°C (56.9°F) which is too cold for sunbathing. The annual average water temperature is typically 10.9°C (51.6°F) which is very cold and bracing, it's not recommended you swim with out a full wet suit. Annually there are on average 19.7 days of rain per month and 9.5 hours of sun per day.

When is the best time to visit Mason Bay Beach?

The best months to visit Mason Bay Beach are January, February, March, December, for the best beach weather, the most sunshine and optimal sunbathing and swimming conditions with the least chance of rain.

The sea is best for swimming between December and May when the sea temperature is above the average 11°C (52°F) which is very cold and bracing, it's not recommended you swim with out a full wet suit.

Can you sunbathe in Mason Bay Beach year round?

No, you can't sunbathe in Mason Bay Beach all year round. Some months are too cold for sunbathing, however you might enjoy other beach activities such as taking a walk, going hiking along trails or just enjoying the scenery.

Even during the warmest month, sunbathing may not be ideal as temperatures don't reach 20°C (72°F). The warmest month in Mason Bay Beach is February when the average maximum temperature is 18°C (65°F), average temperature is 14°C (57°F) and average minimum temperature is 9°C (49°F).

More info about the annual temperatures and sunshine.

Can you swim in Mason Bay Beach year round?

No, you can't swim in Mason Bay Beach all year round.

The warmest sea water temperatures in Mason Bay Beach are found in February when they peak at 13°C (55°F) and lowest in August when they dip to 10°C (49°F).

The sea temperature is above average for swimming between December and May when the sea temperature is above 11°C (52°F) which is very cold and bracing, it's not recommended you swim with out a full wet suit.

More info about the annual sea temperatures

When is the hottest month in Mason Bay Beach?

The hottest month in Mason Bay Beach is February when the average maximum temperature is not that warm but sunbathing may be possible on some clear days 18°C (65°F), average temperature is 14°C (57°F) and average minimum temperature is 9°C (49°F).

More info about the annual temperatures and sunshine.

When is the coldest month in Mason Bay Beach?

The coolest month in Mason Bay Beach is July when the average maximum temperature is 10°C (51°F), average temperature is 7°C (44°F) and average minimum temperature is 3°C (37°F).

More info about the annual temperatures and sunshine

When is the sunniest month in Mason Bay Beach?

The sunniest days in Mason Bay Beach are in January which has the most hours of sunshine per day. In January the sunshine percentage is 82% making it very sunny and pleasant with blue skies most of the time. The hours of sunshine per day are 12.2hrs making the days exceptionally long and full of sunshine.

More info about the annual sunshine.

When is the least sunny month in Mason Bay Beach?

May has the least sunshine. In May the sunshine percentage is 74% making it sunny and pleasant most of the time. The hours of sunshine per day are 6.9hrs.

More info about the annual sunshine.

When is the driest month in Mason Bay Beach?

The driest month in Mason Bay Beach is December with 17.8cm (7.0inches) of rain and February has the fewest days of rain with 15.1 days with some rain, a wet time to visit the beach.

More info about the annual rainfall

When is the wettest month in Mason Bay Beach?

The wettest month in Mason Bay Beach is May with 20.3cm (8.0inches) of rain and June has the most days of rain with 23.1 days with some rain, a very wet time to visit the beach.

More info about the annual rainfall.

When is the sea the coldest in Mason Bay Beach?

The coldest sea water temperatures in Mason Bay Beach are found in August when they dip to 10°C (49°F) which is very cold and bracing, it's not recommended you swim with out a full wet suit.

More info about the annual sea temperatures.

When is the sea the warmest in Mason Bay Beach?

The warmest sea water temperatures in Mason Bay Beach are found in February when they peak at 13°C (55°F) which is very cold and bracing, it's not recommended you swim with out a full wet suit.

More info about the annual sea temperatures.

Annual Temperature for Mason Bay Beach

The hottest month in Mason Bay Beach is February when the average maximum temperature is 18°C (65°F), average temperature is 14°C (57°F) and average minimum temperature is 9°C (49°F).

The coolest month in Mason Bay Beach is July when the average maximum temperature is 10°C (10°F), average temperature is 7°C (44°F) and average minimum temperature is 3°C (37°F).

Annual Sunshine for Mason Bay Beach

The longest days in Mason Bay Beach are in December, with an average of 15.9 hours of daylight per day. June has the shortest days with an average of 8.5 hours of daylight per day.

The sunniest days in Mason Bay Beach are in January which has the most hours of sunshine per day. The sunshine percentage is 82% making it very sunny and pleasant with blue skies most of the time. The hours of sunshine per day are 12.2hrs making the days exceptionally long and full of sunshine.

May has the least sunshine. The sunshine percentage is 74% making it sunny and pleasant most of the time. The hours of sunshine per day are 6.9hrs.

The ultraviolet index is the highest in January when it reaches 10.8 and lowest in June when it reaches 0.8.

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.

Annual Sea Temperature for Mason Bay Beach

The warmest sea water temperatures in Mason Bay Beach are found in February when they peak at 13°C (55°F) and lowest in August when they dip to 10°C (49°F).

The sea is best for swimming between December and May when the temperature is above 11°C (52°F) which is very cold and bracing, it's not recommended you swim with out a full wet suit.

Annual Rainfall for Mason Bay Beach

The wettest month in Mason Bay Beach is May with 20.3cm (8.0inches) of rain and June has the most days of rain with 23.1 days with some rain, a very wet time to visit the beach.

The driest month in Mason Bay Beach is December with 17.8cm (7.0inches) of rain and February has the fewest days of rain with 15.1 days with some rain, a wet time to visit the beach.

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