The highest day temperature in July 2025 was 92°F. The lowest night temperature was 49°F. The average values for day and night temperatures during July were 75.7°F и 63.5°F respectivly.

The average sea surface temperature in July 2025 for Marquette was 62.0°F. The maximum and minimum values were 51.2°F and 70.2°F respectively.

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

Precipitation total in July for Marquette is 0.9 in.

The average wind speed in July is 6.8 mph. It makes July the most windless month of the year for Marquette.

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 Marquette in July is 9.7 hours.