Weather in Boa Vista in August 2025
Average weather
Average temperature in Boa Vista in August
Going from a maximum of +30°C during the day to a minimum of +24°C during the night, the temperature in August averages around +28°C.
The average maximum temperature goes down 17% by the end of the month, compared with the beginning of the month, from +28°C to +27°C.
Is Boa Vista warm or cold in August?
Boa Vista is typically warm in August.
Maximum temperatures go up compared to the previous month from +26°C to +27°C. The minimum temperature also goes up from +22°C to +24°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
August is one of the warmest months in Boa Vista, here is the comparison with other months:
Climate in Boa Vista in August
| July | August | September | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +26°C | +27°C | +28°C | ||||
| Min. temperature | ||||||
| +20°C | +22°C | +23°C | ||||
| Max. temperature | ||||||
| +29°C | +30°C | +30°C | ||||
| Rainfall | ||||||
| 2 mm | 28 mm | 40 mm | ||||
| Wind | ||||||
| 3 m/s | 3 m/s | 4 m/s | ||||
| Humidity | ||||||
| 78% | 79% | 80% | ||||
| Air pressure | ||||||
| 1013 HPa | 1012 HPa | 1012 HPa | ||||
| Sunny days | ||||||
| 7 | 4 | 5 | ||||
| Cloudy days | ||||||
| 22 | 19 | 16 | ||||
| Rainy days | ||||||
| 2 | 8 | 9 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
August weather is still as good as in July. It’s getting warmer as August arrives. The average maximum temperature goes up from +26°C to +27°C during the day. Prepare for more rain. Average rainfall goes from 2 mm to 28 mm. Humidity rises from 78% to 79%. The average wind speed doesn’t change much during August, staying around 3 m/s. The days becoming less sunny, going from 7 sunny days in July to 4 in August.
September brings much the same weather, it remains good.
Wind
The average wind speed is 3 m/s getting up to 5 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Boa Vista is gradually increasing during August, going from 3 m/s to 5 m/s over the course of the month.
Rain
How was the weather last August in Boa Vista?
Climate Change over Years
The climate in Boa Vista in August has not changed much over the last 43 years.
The average temperature was the lowest in 1986 (+24°C) and the highest in 2023 (+26°C). The driest year was 1992 with only 16 mm of rainfall, and the wettest year was 1999 with 229 mm.
FAQ
Is August a good time to visit Boa Vista?
Can you sunbathe in Boa Vista in August?
Is Boa Vista rainy in August?
Is it sunny in Boa Vista in August?
Other cities in Cape Verde
Monthly weather in Boa Vista
Source of the data
For this page, we’ve looked at the typical weather in Boa Vista, 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.