The highest day temperature in July 2025 was 69°F. The lowest night temperature was 34°F. The average values for day and night temperatures during July were 57.5°F и 46.4°F respectivly.

The average sea surface temperature in July 2025 for Montevideo was 50.1°F. The maximum and minimum values were 46.4°F and 52.4°F respectively.

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

Precipitation total in July for Montevideo is 2.6 in.

The average wind speed in July is 9.9 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 July is 6.1 hours.