The highest day temperature in July 2025 was 96°F. The lowest night temperature was 49°F. The average values for day and night temperatures during July were 84.9°F и 66.6°F respectivly.

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

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

The average wind speed in July is 6.6 mph. It makes July the most windless month of the year for Lake Delton.

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 Lake Delton in July is 8.6 hours.