The highest day temperature in July 2025 was 101°F. The lowest night temperature was 50°F. The average values for day and night temperatures during July were 87.4°F и 59.0°F respectivly.

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

Precipitation total in July for Chelan is 0.1 in. It makes july the least rainy month of the year.

The average wind speed in July is 6.3 mph. It makes July one of the most windy months of the year for Chelan.

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 Chelan in July is 14.0 hours.