The highest day temperature in March 2025 was 89°F. The lowest night temperature was 74°F. The average values for day and night temperatures during March were 83.8°F и 76.4°F respectivly.

The average sea surface temperature in March 2025 for Santos was 82.8°F. The maximum and minimum values were 80.0°F and 88.0°F respectively.

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

Precipitation total in March for Santos is 2.9 in. It makes march one of the most rainy months of the year.

The average wind speed in March is 5.0 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 Santos in March is 5.7 hours.