October weather forecast
Tanna, Vanuatu

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Weather in October

October witnesses a slight increase in both daily high and low temperatures. Rainfall continues its descent to 109mm (4.29") making it the least rainy month of the year. The sea temperature, consistent with seasonal variations, begins to climb upwards. Duration of daylight stretches even further, brightening up the day. As the UV index peaks, precautions against sunburn become a routine necessity.

Temperature

September's transformation into October witnesses an average high-temperature of a still warm 25°C (77°F) in Tanna, noting a minor change from the preceding month. Throughout October, the average low-temperature records at a refreshing 18°C (64.4°F).

Rainfall

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

Sea temperature

In Tanna, in October, the average water temperature is 25°C (77°F).
Note: For any water activity, surface water temperatures from 25°C (77°F) to 29°C (84.2°F) are deemed perfect and extremely pleasing for enduring enjoyment.

Daylight

In Tanna, the average length of the day in October is 12h and 32min.
On the first day of the month, sunrise is at 05:23 and sunset at 17:40. On the last day of October, sunrise is at 05:01 and sunset at 17:50 +11.

Sunshine

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

UV index

The months with the highest UV index are January through March, October through December, with an average maximum UV index of 12. A UV Index value of 11, and more, symbolizes an extreme threat to health from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index, 12 in October, converts into the following recommendations:
Put into effect every essential safeguard, as unprotected skin and eyes might burn instantly. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Even when the sky is cloudy, apply generously and frequently reapply a sunscreen with SPF 30 or more, especially post every swim or outdoor exercise. Caution! Sand and water reflections can notably increase the UV radiation intensity.
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Frequently asked questions

What is the usual temperature for Tanna in October?

The average high-temperature and low-temperature during October are 25°C (77°F) and 18°C (64.4°F) respectively.

What is the driest month in Tanna?

The month with the least rainfall in Tanna, Vanuatu, is October, when the rain falls for 15 days and typically collects 109mm (4.29") of precipitation.

How many days does it rain in October in Tanna?

In October, in Tanna, the rain falls for 15 days. Throughout October, 109mm (4.29") of precipitation is accumulated.

What is the sea water temperature in October in Tanna?

In Tanna, the average seawater temperature in October is 25°C (77°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

How many hours of daylight does Tanna have in October?

The average day length in October is 12h and 32min.

When are sunrise and sunset in October in Tanna?

In October, on the first day of the month, sunrise is at 05:23 and sunset at 17:40. On the last day of the month, in Tanna, sunrise is at 05:01 and sunset at 17:50 +11.

What are the months with the most sunshine in Tanna?

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

How long on average sun shines in October in Tanna?

The average sunshine duration in October in Tanna is 7h.

When is the highest UV index in Tanna?

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

How high is the UV index in October in Tanna?

The average daily maximum UV index in October in Tanna, Vanuatu, is 12. A UV Index estimate of 11, and higher, represents an ultimate hazard to health from unsafe exposure to Sun's UV rays.
Average rainfall days
Average daylight
Average sunshine
Average UV index

Average temperature in October
Tanna, Vanuatu

Average temperature in October - Tanna, Vanuatu
  • Average high temperature in October: 25°C

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).

  • Average low temperature in October: 18°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 in October
Tanna, Vanuatu

Average rainfall in October - Tanna, Vanuatu
  • Average rainfall in October: 109mm

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 in October
Tanna, Vanuatu

Average rainfall days in October - Tanna, Vanuatu
  • Average rainfall days in October: 15 days

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 in October
Tanna, Vanuatu

Average sea temperature in October - Tanna, Vanuatu
  • Average sea temperature in October: 25°C

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 in October /
Average sunshine in October
Tanna, Vanuatu

Average daylight in October / Average sunshine in October - Tanna, Vanuatu
  • Average daylight in October: 12h and 3min

The month with the longest days is December (Average daylight: 13h and 18min).
The month with the shortest days is June (Average daylight: 11h and 0min).

  • Average sunshine in October: 7h

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 in October
Tanna, Vanuatu

Average UV index in October - Tanna, Vanuatu
  • Average UV index in October: 12

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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Tanna, Vanuatu

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