August weather forecast
Brasília, Brazil

August sees a minimal increase in rainfall in Brasília, Brazil from 1mm (0.04") to 2mm (0.08") compared to July. Transcending from the drier months, August starts to see slightly more precipitation. The wind speeds decrease slightly from July's peak as the dry season tapers off. With cloud coverage at its lowest throughout the year, August is a great time to visit for those who prefer clear skies. Despite the increase in precipitation, the relative humidity remains lower compared to the other months.

Temperature

Brasília transitions into August recording an average high-temperature of a still warm 28.3°C (82.9°F), closely aligning with the preceding month's temperature. Brasília anticipates a considerable drop in temperature at night in August, with an average low of 15.9°C (60.6°F).

Heat index

The heat index for August is estimated at 29°C (84.2°F). Long-lasting exposure and activity potentially induce a sense of weariness, with the risk of heat cramps.
The standards for the heat index are set for locations in shade and under light breezes. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.

Humidity

The average relative humidity in August is 47%.

Rainfall

In Brasília, in August, during 1.9 rainfall days, 2mm (0.08") of precipitation is typically 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 August, the average length of the day in Brasília is 11h and 36min.
On the first day of August, sunrise is at 06:34 and sunset at 18:00. On the last day of the month, sunrise is at 06:17 and sunset at 18:05 -03.

Sunshine

With an average of 9.9h of sunshine, August has the most sunshine of the year in Brasília.

UV index

January, March, August through November, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: In August, the average maximum UV index of 6 translates into the following recommendations:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.