The highest day temperature in July 2023 was 75°F. The lowest night temperature was 53°F. The average values for day and night temperatures during July were 67.6°F и 57.7°F respectivly.

The average sea surface temperature in July 2023 for Whidbey Island was 59.0°F. The maximum and minimum values were 57.0°F and 60.8°F respectively.

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

Precipitation total in July for Whidbey Island is 0.5 in. It makes july the least rainy month of the year.

The average wind speed in July is 5.5 mph. It makes July one of the most windless months of the year for Whidbey Island.

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 Whidbey Island in July is 11.1 hours.