The highest day temperature in July 2025 was 91°F. The lowest night temperature was 61°F. The average values for day and night temperatures during July were 83.8°F и 67.6°F respectivly.

The average sea surface temperature in July 2025 for Portimao was 70.9°F. The maximum and minimum values were 62.6°F and 78.4°F respectively.

Almost all days in July are sunny. There is very low probability of clouds or gloomy days.

Precipitation total in July for Portimao is 0.0 in. It makes july the least rainy month of the year.

The average wind speed in July is 10.2 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 Portimao in July is 13.6 hours.