The highest day temperature in July 2025 was 99°F. The lowest night temperature was 62°F. The average values for day and night temperatures during July were 82.9°F и 71.1°F respectivly.

The average sea surface temperature in July 2025 for Salem was 66.9°F. The maximum and minimum values were 62.6°F and 71.6°F respectively.

You can expect various weather conditions during July. Be ready for sunny, cloudy or even gloomy days.

Precipitation total in July for Salem is 1.2 in. It makes july one of the most rainy months of the year.

The average wind speed in July is 7.4 mph. It makes July one of the most windless months of the year for Salem.

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 Salem in July is 8.3 hours.