The highest day temperature in August 2025 was 99°F. The lowest night temperature was 58°F. The average values for day and night temperatures during August were 81.6°F и 65.3°F respectivly.

The average sea surface temperature in August 2025 for Duque de Caxias was 73.9°F. The maximum and minimum values were 71.8°F and 77.0°F respectively.

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

Precipitation total in August for Duque de Caxias is 0.7 in.

The average wind speed in August is 5.6 mph. This value is relatively stable throughout the year.

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 Duque de Caxias in August is 7.7 hours.