The highest day temperature in July 2025 was 66°F. The lowest night temperature was 38°F. The average values for day and night temperatures during July were 55.6°F и 50.1°F respectivly.

The average sea surface temperature in July 2025 for Colonia del Sacramento was 54.9°F. The maximum and minimum values were 49.6°F and 57.0°F respectively.

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

Precipitation total in July for Colonia del Sacramento is 2.1 in. It makes july one of the least rainy months of the year.

The average wind speed in July is 11.9 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 Colonia del Sacramento in July is 6.5 hours.