The highest day temperature in October 2025 was 92°F. The lowest night temperature was 46°F. The average values for day and night temperatures during October were 72.0°F и 57.1°F respectivly.

The average sea surface temperature in October 2025 for Montevideo was 66.5°F. The maximum and minimum values were 63.6°F and 69.4°F respectively.

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

Precipitation total in October for Montevideo is 2.8 in. It makes october one of the most rainy months of the year.

The average wind speed in October is 10.7 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 Montevideo in October is 8.4 hours.