The highest day temperature in May 2024 was 91°F. The lowest night temperature was 64°F. The average values for day and night temperatures during May were 83.7°F и 72.5°F respectivly.

The average sea surface temperature in May 2024 for Rio das Ostras was 76.8°F. The maximum and minimum values were 73.8°F and 78.0°F respectively.

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

Precipitation total in May for Rio das Ostras is 0.5 in. It makes may one of the least rainy months of the year.

The average wind speed in May is 7.2 mph. It makes May one of the most windless months of the year for Rio das Ostras.

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 Rio das Ostras in May is 6.9 hours.