October weather forecast
Angra dos Reis, Brazil

October marks the gradual return of the summer season in Angra dos Reis. Active aqua life can be seen due to a sea temperature rise to 22.5°C (72.5°F). An increased rainfall of 144mm (5.67") also comes into play, leading the city into a more tropical climate. With increase in daylight hours, the city thrives in sunshine despite the rain. The UV index begins to climb, hinting at another intense summer season.

Temperature

As October takes hold, the average high-temperature is a still warm 25.6°C (78.1°F), nearly mirroring that of the previous month. The average low-temperature of 19.3°C (66.7°F) is witnessed during October.

Humidity

With an average relative humidity of 83%, October is the most humid month.

Rainfall

In Angra dos Reis, during October, the rain falls for 16 days and regularly aggregates up to 144mm (5.67") of precipitation. Throughout the year, there are 165 rainfall days, and 1977mm (77.83") of precipitation is accumulated.

Sea temperature

In Angra dos Reis, the average seawater temperature in October is 22.5°C (72.5°F).
Note: The allure of a swim in 22.5°C (72.5°F) waters can be influenced by your feelings towards the cold, today's sunshine, the wind's touch, and the ambient warmth. To put it in perspective, Olympic standards demand water temperatures of 25°C (77°F) to 28°C (82.4°F).

Daylight

The average length of the day in October is 12h and 38min.
On the first day of the month, sunrise is at 05:36 and sunset at 17:56. On the last day of October, in Angra dos Reis, Brazil, sunrise is at 05:11 and sunset at 18:09 -03.

Sunshine

September through December, with an average of 4h of sunshine, are months with the least sunshine.

UV index

In October, the average daily maximum UV index in Angra dos Reis, Brazil, is 11. A UV Index value of 11, and more, symbolizes an ultimate health vulnerability from unsafe exposure to UV radiation for the average person.
Note: A maximum daily UV index of 11 during October morphs into the following directions:
Undertake all critical precautions. Protection from sun harm is vital. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. If you tend to burn easily, reduce your time in direct sunlight. And never forget to apply a sunscreen with 30 SPF or more. Alert! UV radiation becomes sharper due to reflections from sand and water.