October weather forecast
Brasília, Brazil

The weather in October in Brasília, Brazil shares its similarities with September, but with rainfall increasing noticeably from 19mm (0.75") to 166mm (6.54"). This month is the beginning of the rainy season with October witnessing a sharp increase in rainfall. The city prepares for the rainy months ahead, with residents adjusting their daily routines accordingly. The humidity level also rises, along with a significant increase in cloud cover. Despite the rise in rainfall, the pressure tends to drop, indicating unstable weather.

Temperature

Brasília notes an average high-temperature of a moderately hot 29.4°C (84.9°F) in October, displaying minor variation from September. Brasília's average low-temperature in October is measured at an enjoyable 19.5°C (67.1°F).

Heat index

The average heat index in October is estimated at a hot 32°C (89.6°F). If exposure and activity are sustained, they might cause a feeling of weariness, resulting in heat cramps.
Heat index's context suggests values are appropriate for shady areas and slight breezes. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', provides an understanding of perceived warmth by combining temperature and relative humidity. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.

Humidity

The average relative humidity in October is 62%.

Rainfall

In October, in Brasília, Brazil, the rain falls for 19.8 days. Throughout October, 166mm (6.54") of precipitation is accumulated. In Brasília, during the entire year, the rain falls for 191.9 days and collects up to 1159mm (45.63") of precipitation.

Daylight

In Brasília, the average length of the day in October is 12h and 28min.
On the first day of October in Brasília, sunrise is at 05:53 and sunset at 18:08. On the last day of the month, sunrise is at 05:34 and sunset at 18:15 -03.

Sunshine

In October, the average sunshine in Brasília is 9h.

UV index

January, March, August through November, with an average maximum UV index of 6, are months with the highest UV index in Brasília, Brazil. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum UV index of 6 in October translates into the following recommendations:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.