The highest day temperature in August 2026 was 103°F. The lowest night temperature was 56°F. The average values for day and night temperatures during August were 92.3°F и 81.2°F respectivly.

The average sea surface temperature in August 2026 for Castellammare del Golfo was 88.0°F. The maximum and minimum values were 85.8°F and 89.6°F respectively.

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

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

The average wind speed in August is 6.4 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 Castellammare del Golfo in August is 12.3 hours.