The highest day temperature in July 2025 was 91°F. The lowest night temperature was 78°F. The average values for day and night temperatures during July were 85.4°F и 82.3°F respectivly.

The average sea surface temperature in July 2025 for Sliema was 84.3°F. The maximum and minimum values were 80.6°F and 87.0°F respectively.

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

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

The average wind speed in July is 9.2 mph. It makes July one of the most windless months of the year for Sliema.

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 Sliema in July is 13.9 hours.