The highest day temperature in May 2025 was 91°F. The lowest night temperature was 66°F. The average values for day and night temperatures during May were 80.5°F и 69.8°F respectivly.

The average sea surface temperature in May 2025 for Barra da Tijuca was 76.0°F. The maximum and minimum values were 73.4°F and 78.4°F respectively.

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

Precipitation total in May for Barra da Tijuca is 0.7 in. It makes may one of the least rainy months of the year.

The average wind speed in May is 6.2 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 Barra da Tijuca in May is 7.2 hours.