The highest day temperature in March 2025 was 93°F. The lowest night temperature was 73°F. The average values for day and night temperatures during March were 87.5°F и 76.9°F respectivly.

The average sea surface temperature in March 2025 for Rio de Janeiro was 81.3°F. The maximum and minimum values were 79.4°F and 82.4°F respectively.

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

Precipitation total in March for Rio de Janeiro is 3.5 in.

The average wind speed in March 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 Rio de Janeiro in March is 7.8 hours.