Weather in Porto Seguro in August 2025
- August is usually the driest month of the year in Porto Seguro
Average weather
Average temperature in Porto Seguro in August
Going from a maximum of +30°C during the day to a minimum of +18°C during the night, the temperature in August averages around +27°C.
The average maximum temperature goes up 25% by the end of the month, compared with the beginning of the month, from +25°C to +28°C.
Is Porto Seguro warm or cold in August?
Porto Seguro is typically warm in August.
Maximum temperatures go up compared to the previous month from +25°C to +26°C. The minimum temperature also goes up from +20°C to +20°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
August is one of the coolest months in Porto Seguro, here is the comparison with other months:
Climate in Porto Seguro in August
| July | August | September | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +25°C | +26°C | +26°C | ||||
| Min. temperature | ||||||
| +16°C | +16°C | +16°C | ||||
| Max. temperature | ||||||
| +30°C | +30°C | +31°C | ||||
| Rainfall | ||||||
| 66 mm | 55 mm | 54 mm | ||||
| Wind | ||||||
| 2 m/s | 3 m/s | 3 m/s | ||||
| Humidity | ||||||
| 84% | 82% | 82% | ||||
| Air pressure | ||||||
| 1019 HPa | 1019 HPa | 1017 HPa | ||||
| Sunny days | ||||||
| 2 | 2 | 2 | ||||
| Cloudy days | ||||||
| 4 | 6 | 7 | ||||
| Rainy days | ||||||
| 25 | 23 | 21 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
August weather is still as ok as in July. It’s getting warmer as August arrives. The average maximum temperature goes up from +25°C to +26°C during the day. As August arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 66 mm to 55 mm. It feels drier, as humidity decreases from 84% to 82%. Winds are stronger in comparison to July, going up from 2 m/s to 3 m/s on average. The amount of sunny days stay about the same, averaging 2 sunny days during the month.
September brings much the same weather, it remains ok.
Wind
The average wind speed is 3 m/s getting up to 4 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Porto Seguro is gradually increasing during August, going from 2 m/s to 3 m/s over the course of the month.
Rain
How was the weather last August in Porto Seguro?
Climate Change over Years
The climate in Porto Seguro in August has not changed much over the last 43 years.
The average temperature was the lowest in 1981 (+27°C) and the highest in 2019 (+29°C). The driest year was 2015 with only 699 mm of rainfall, and the wettest year was 1985 with 1566 mm.
FAQ
Is August a good time to visit Porto Seguro?
Can you sunbathe in Porto Seguro in August?
Is Porto Seguro rainy in August?
Is it sunny in Porto Seguro in August?
Other cities in Brazil
Monthly weather in Porto Seguro
Source of the data
For this page, we’ve looked at the typical weather in Porto Seguro, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.