The highest day temperature in July 2026 was 91°F. The lowest night temperature was 43°F. The average values for day and night temperatures during July were 67.1°F и 57.4°F respectivly.

The average sea surface temperature in July 2026 for Porto Alegre was 60.0°F. The maximum and minimum values were 55.0°F and 65.2°F respectively.

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

Precipitation total in July for Porto Alegre is 1.8 in. It makes july one of the most rainy months of the year.

The average wind speed in July is 5.3 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 Porto Alegre in July is 6.1 hours.