Annual average weather for Roberton Island, Bay of Islands, New Zealand

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Annual Average Weather for Roberton Island, Bay of Islands, New Zealand

The annual average maximum daily temperature is 18.8°C (65.8°F) which is not that warm but sunbathing may be possible on some clear days. The annual average water temperature is typically 18.0°C (64.4°F) which is cool for swimming, shorty wetsuit may help you extend your time in the water. Annually there are on average 16.4 days of rain per month and 5.6 hours of sun per day.

When is the best time to visit Roberton Island?

The best months to visit Roberton Island 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 weather is warm enough for sunbathing in the months from December to March when the maximum temperature reaches above 22°C (72°F)

The sea is best for swimming between December and May when the sea temperature is above the average 18°C (64°F) which is cool for swimming, shorty wetsuit may help you extend your time in the water.

Can you sunbathe in Roberton Island year round?

No, you can't sunbathe in Roberton Island 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.

The weather is warm enough for sunbathing in the months from December to March when the maximum temperature reaches above 22°C (72°F)

More info about the annual temperatures and sunshine.

Can you swim in Roberton Island year round?

No, you can't swim in Roberton Island all year round.

The warmest sea water temperatures in Roberton Island are found in February when they peak at 22°C (71°F) and lowest in August when they dip to 15°C (59°F).

The sea temperature is above average for swimming between December and May when the sea temperature is above 18°C (64°F) which is cool for swimming, shorty wetsuit may help you extend your time in the water.

The sea is good for swimming in the months from December to April when the sea temperature is above 19°C (66°F)

More info about the annual sea temperatures

When is the hottest month in Roberton Island?

The hottest month in Roberton Island is February when the average maximum temperature is nice and warm and makes sunbathing pleasant on clear days 24°C (75°F), average temperature is 20°C (68°F) and average minimum temperature is 17°C (62°F).

More info about the annual temperatures and sunshine.

When is the coldest month in Roberton Island?

The coolest month in Roberton Island is July when the average maximum temperature is 14°C (58°F), average temperature is 11°C (52°F) and average minimum temperature is 8°C (46°F).

More info about the annual temperatures and sunshine

When is the sunniest month in Roberton Island?

The sunniest days in Roberton Island are in December which has the most hours of sunshine per day. In December the sunshine percentage is 50% making it quite sunny but with regular periods of cloudy and overcast skies. There are 7.3 hours of sunshine per day.

More info about the annual sunshine.

When is the least sunny month in Roberton Island?

May has the least sunshine. In May the sunshine percentage is 40% making it very cloudy and overcast with some periods of sunshine. There are 4.1 hours of sunshine per day.

More info about the annual sunshine.

When is the sea the coldest in Roberton Island?

The coldest sea water temperatures in Roberton Island are found in August when they dip to 15°C (59°F) which is cold for swimming, a full wet suit is required to spend any length of time in the sea.

More info about the annual sea temperatures.

When is the sea the warmest in Roberton Island?

The warmest sea water temperatures in Roberton Island are found in February when they peak at 22°C (71°F) which is comfortable for swimming though some may prefer warmer water.

More info about the annual sea temperatures.

When is the most humid month in Roberton Island?

The most humid month in Roberton Island is February with a dew point (an indicator of humidity) of 18°C (64°F) which is OK for most but slightly uncomfortable for some.

More info about the annual humidity.

When is the least humid month in Roberton Island?

The least humid month in Roberton Island is July with a dew point of 11°C (51°F) which is very comfortable.

More info about the annual humidity.

When is the windiest month in Roberton Island?

The most windy month in Roberton Island is October when the average maximum windspeed is 34KM/H (21MPH) and the average wind speed is 19KM/H (12MPH).

More info about the annual wind conditions.

Annual Temperature for Roberton Island

The hottest month in Roberton Island is February when the average maximum temperature is 24°C (75°F), average temperature is 20°C (68°F) and average minimum temperature is 17°C (62°F).

The coolest month in Roberton Island is July when the average maximum temperature is 14°C (14°F), average temperature is 11°C (52°F) and average minimum temperature is 8°C (46°F).

Annual Sunshine for Roberton Island

The longest days in Roberton Island are in December, with an average of 14.5 hours of daylight per day. June has the shortest days with an average of 9.8 hours of daylight per day.

The sunniest days in Roberton Island are in December which has the most hours of sunshine per day. The sunshine percentage is 50% making it quite sunny but with regular periods of cloudy and overcast skies. There are 7.3 hours of sunshine per day.

May has the least sunshine. The sunshine percentage is 40% making it very cloudy and overcast with some periods of sunshine. There are 4.1 hours of sunshine per day.

The ultraviolet index is the highest in January when it reaches 13.4 and lowest in June when it reaches 2.4.

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.

Annual Sea Temperature for Roberton Island

The warmest sea water temperatures in Roberton Island are found in February when they peak at 22°C (71°F) and lowest in August when they dip to 15°C (59°F).

The sea is best for swimming between December and May when the temperature is above 18°C (64°F) which is cool for swimming, shorty wetsuit may help you extend your time in the water.

Annual Humidity for Roberton Island

The most humid month in Roberton Island is February with a dew point (an indicator of humidity) of 18°C (64°F) which is OK for most but slightly uncomfortable for some.

The least humid month in Roberton Island is July with a dew point of 11°C (51°F) which is very comfortable.

Annual Wind Speed for Roberton Island

The most windy month in Roberton Island is October when the average maximum windspeed is 34KM/H (21MPH) and the average wind speed is 19KM/H (12MPH).

The least windy month in Roberton Island is April when the average maximum windspeed is 26KM/H (16MPH) and the average wind speed is 14KM/H (8MPH).

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