Climate and monthly weather forecast
Tanna, Vanuatu

Weather in January

January, the same as December, is another warm summer month in Tanna, Vanuatu, with temperature in the range of an average low of 21°C (69.8°F) and an average high of 28°C (82.4°F). In Tanna, the average high-temperature in January is almost the same as in December - a still warm 28°C (82.4°F). Weather in January »

Weather in February

The last month of the summer, February, is another warm month in Tanna, Vanuatu, with an average temperature varying between 21°C (69.8°F) and 29°C (84.2°F). February is the warmest month, with an average high-temperature of 29°C (84.2°F) and an average low-temperature of 21°C (69.8°F). In Tanna, Vanuatu, in February, during 19 rainfall days, 266mm (10.47") of precipitation is typically accumulated. Weather in February »

Weather in March

March, the first month of the autumn in Tanna, is still a warm month, with an average temperature fluctuating between 21°C (69.8°F) and 28°C (82.4°F). In Tanna, the average high-temperature in March is practically the same as in February - a still warm 28°C (82.4°F). Weather in March »

Weather in April

April, the same as March, is a moderately hot autumn month in Tanna, Vanuatu, with an average temperature varying between 27°C (80.6°F) and 20°C (68°F). In April, the average high-temperature is relatively the same as in March - a still moderately hot 27°C (80.6°F). Weather in April »

Weather in May

The last month of the autumn, May, is also a moderately hot month in Tanna, Vanuatu, with an average temperature fluctuating between 18°C (64.4°F) and 25°C (77°F). In May, the average high-temperature is practically the same as in April - a still moderately hot 25°C (77°F). Weather in May »

Weather in June

The first month of the winter, June, is also a moderately hot month in Tanna, Vanuatu, with temperature in the range of an average low of 17°C (62.6°F) and an average high of 25°C (77°F). In June, the average high-temperature remains equal as in May - a still moderately hot 25°C (77°F). Weather in June »

Weather in July

July, the same as June, is a moderately hot winter month in Tanna, Vanuatu, with an average temperature fluctuating between 24°C (75.2°F) and 16°C (60.8°F). The coldest months are July through September, with an average high-temperature of 24°C (75.2°F). Weather in July »

Weather in August

August, the last month of the winter in Tanna, is another warm month, with an average temperature ranging between max 24°C (75.2°F) and min 16°C (60.8°F). July through September, with an average high-temperature of 24°C (75.2°F), are the coldest months. Weather in August »

Weather in September

The first month of the spring, September, is also a moderately hot month in Tanna, Vanuatu, with an average temperature ranging between max 24°C (75.2°F) and min 16°C (60.8°F). July through September, with an average high-temperature of 24°C (75.2°F), are the coldest months. Weather in September »

Weather in October

October, the same as September, is another warm spring month in Tanna, Vanuatu, with an average temperature varying between 25°C (77°F) and 18°C (64.4°F). In October, the average high-temperature is almost the same as in September - a still warm 25°C (77°F). Weather in October »

Weather in November

The last month of the spring, November, is another warm month in Tanna, Vanuatu, with an average temperature varying between 26°C (78.8°F) and 19°C (66.2°F). In November, the average high-temperature is relatively the same as in October - a still moderately hot 26°C (78.8°F). Weather in November »

Weather in December

The first month of the summer, December, is still a warm month in Tanna, Vanuatu, with an average temperature ranging between max 27°C (80.6°F) and min 20°C (68°F). In Tanna, Vanuatu, the average high-temperature in December is essentially the same as in November - a still moderately hot 27°C (80.6°F). Weather in December »
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FAQ

How much does it rain in Tanna?

In Tanna, during the entire year, the rain falls for 213 days and collects up to 2435mm (95.87") of precipitation.

What are the months with the warmest sea water in Tanna?

The months with the warmest seawater in Tanna, Vanuatu, are January through March, with an average sea temperature of 28°C (82.4°F).

What are the months with the most sunshine in Tanna?

The months with the most sunshine are January, February, September through December, with an average of 7h of sunshine.

What are the months with the highest UV index in Tanna?

January through March, October through December, with an average maximum UV index of 12, are months with the highest UV index in Tanna, Vanuatu.

What is the warmest month in Tanna?

February is the warmest month in Tanna, Vanuatu, with an average high-temperature of 29°C (84.2°F) and an average low-temperature of 21°C (69.8°F).

What is the wettest month in Tanna?

The month with the most rainfall is March, when the rain falls for 22 days and typically aggregates up to 355mm (13.98") of precipitation.

What is the month with the shortest days in Tanna?

The month with the shortest days in Tanna, Vanuatu, is June, with an average of 10h and 58min of daylight.

What is the month with the least sunshine in Tanna?

With an average of 5h of sunshine, June has the least sunshine of the year.

When is the lowest UV index in Tanna?

June is the month with the lowest UV index in Tanna, with an average maximum UV index of 6.

What are the coldest months in Tanna?

The coldest months are July through September, with an average high-temperature of 24°C (75.2°F).

When is the sea coldest in Tanna?

August and September, with an average sea temperature of 24°C (75.2°F), are months with the coldest seawater.

What is the driest month in Tanna?

October is the month with the least rainfall. Rain falls for 15 days and accumulates 109mm (4.29") of precipitation.

When are the longest days in Tanna?

The month with the longest days in Tanna is December, with an average of 13h and 17min of daylight.

Is there Daylight Saving Time (DST) in Tanna?

Tanna does not observe Daylight Saving Time (DST). +11 timezone is used throughout the entire year.

Average temperature
Tanna, Vanuatu

Average temperature - Tanna, Vanuatu

The warmest month (with the highest average high temperature) is February (29°C).
The months with the lowest average high temperature are July, August and September (24°C).

The months with the highest average low temperature are January, February and March (21°C).
The coldest months (with the lowest average low temperature) are July, August and September (16°C).

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Average rainfall
Tanna, Vanuatu

Average rainfall - Tanna, Vanuatu

The wettest month (with the highest rainfall) is March (355mm).
The driest month (with the least rainfall) is October (109mm).

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Average rainfall days
Tanna, Vanuatu

Average rainfall days - Tanna, Vanuatu

The month with the highest number of rainy days is March (22 days).
The months with the least rainy days are September and October (15 days).

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Average sea temperature
Tanna, Vanuatu

Average sea temperature - Tanna, Vanuatu

The best months for swimming (with the highest average sea temperature) are January, February and March (28°C).
The coldest months (with the lowest average sea temperature) are August and September (24°C).

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Average daylight / Average sunshine
Tanna, Vanuatu

Average daylight / Average sunshine - Tanna, Vanuatu

The month with the longest days is December (Average daylight: 13h and 17min).
The month with the shortest days is June (Average daylight: 10h and 58min).

The months with the most sunshine are January, February, September, October, November and December (Average sunshine: 7h).
The month with the least sunshine is June (Average sunshine: 5h).

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Average UV index
Tanna, Vanuatu

Average UV index - Tanna, Vanuatu

The months with the highest UV index are January, February, March, October, November and December (UV index 12).
The month with the lowest UV index is June (UV index 6).

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