October weather forecastTanna, Vanuatu

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.