The highest day temperature in May 2024 was 90°F. The lowest night temperature was 46°F. The average values for day and night temperatures during May were 66.6°F и 59.8°F respectivly.

The average sea surface temperature in May 2024 for Porto Alegre was 68.6°F. The maximum and minimum values were 64.8°F and 73.6°F respectively.

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

Precipitation total in May for Porto Alegre is 2.4 in. It makes may one of the most rainy months of the year.

The average wind speed in May is 5.2 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 May is 6.1 hours.