The highest day temperature in July 2025 was 94°F. The lowest night temperature was 77°F. The average values for day and night temperatures during July were 90.3°F и 80.0°F respectivly.

The average sea surface temperature in July 2025 for Arecibo was 87.2°F. The maximum and minimum values were 86.2°F and 88.4°F respectively.

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

Precipitation total in July for Arecibo is 2.9 in.

The average wind speed in July is 12.4 mph. It makes July the most windy month of the year for Arecibo.

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 Arecibo in July is 7.6 hours.