The highest day temperature in August 2025 was 82°F. The lowest night temperature was 77°F. The average values for day and night temperatures during August were 78.5°F и 82.9°F respectivly.

The average sea surface temperature in August 2025 for Sao Nicolau was 82.3°F. The maximum and minimum values were 79.8°F and 84.2°F respectively.

Most of the days in August are gloomy but you can also expect sunny days.

Precipitation total in August for Sao Nicolau is 0.9 in. It makes august one of the most rainy months of the year.

The average wind speed in August is 10.4 mph. It makes August the most windless month of the year for Sao Nicolau.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Sao Nicolau in August is 5.6 hours.