The highest day temperature in July 2023 was 99°F. The lowest night temperature was 70°F. The average values for day and night temperatures during July were 89.8°F и 77.4°F respectivly.

The average sea surface temperature in July 2023 for Grottammare was 84.3°F. The maximum and minimum values were 80.2°F and 88.4°F respectively.

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

Precipitation total in July for Grottammare is 0.7 in.

The average wind speed in July is 7.2 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 Grottammare in July is 12.4 hours.