The highest day temperature in July 2026 was 82°F. The lowest night temperature was 64°F. The average values for day and night temperatures during July were 76.3°F и 68.0°F respectivly.

The average sea surface temperature in July 2026 for Santander was 73.3°F. The maximum and minimum values were 69.6°F and 76.4°F respectively.

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

Precipitation total in July for Santander is 1.3 in. It makes july one of the least rainy months of the year.

The average wind speed in July is 7.6 mph. It makes July the most windless month of the year for Santander.

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 Santander in July is 9.5 hours.