The highest day temperature in July 2025 was 63°F. The lowest night temperature was 37°F. The average values for day and night temperatures during July were 58.4°F и 52.3°F respectivly.

The average sea surface temperature in July 2025 for Rio Grande was 54.8°F. The maximum and minimum values were 50.0°F and 58.8°F respectively.

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

Precipitation total in July for Rio Grande is 1.3 in.

The average wind speed in July is 10.5 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 Rio Grande in July is 6.1 hours.