The highest day temperature in March 2026 was 87°F. The lowest night temperature was 59°F. The average values for day and night temperatures during March were 78.1°F и 70.9°F respectivly.

The average sea surface temperature in March 2026 for Buenos Aires was 77.9°F. The maximum and minimum values were 73.4°F and 81.6°F respectively.

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

Precipitation total in March for Buenos Aires is 2.3 in. It makes march one of the least rainy months of the year.

The average wind speed in March is 9.7 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 Buenos Aires in March is 9.3 hours.