The highest day temperature in August 2025 was 97°F. The lowest night temperature was 79°F. The average values for day and night temperatures during August were 91.1°F и 83.2°F respectivly.

The average sea surface temperature in August 2025 for Sfax was 88.0°F. The maximum and minimum values were 86.6°F and 89.4°F respectively.

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

Precipitation total in August for Sfax is 0.2 in. It makes august one of the least rainy months of the year.

The average wind speed in August is 10.4 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 Sfax in August is 12.6 hours.