The highest day temperature in July 2026 was 104°F. The lowest night temperature was 57°F. The average values for day and night temperatures during July were 85.7°F и 68.4°F respectivly.

The average sea surface temperature in July 2026 for Westerly was 69.3°F. The maximum and minimum values were 66.2°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 Westerly is 1.2 in. This value is relatively stable throughout 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 Westerly.

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 Westerly in July is 8.3 hours.