The highest day temperature in October 2025 was 72°F. The lowest night temperature was 42°F. The average values for day and night temperatures during October were 62.3°F и 51.9°F respectivly.

The average sea surface temperature in October 2025 for Mar del Plata was 58.7°F. The maximum and minimum values were 55.6°F and 61.0°F respectively.

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

Precipitation total in October for Mar del Plata is 2.4 in. It makes october one of the most rainy months of the year.

The average wind speed in October is 12.0 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 Mar del Plata in October is 8.5 hours.