The highest day temperature in July 2025 was 98°F. The lowest night temperature was 57°F. The average values for day and night temperatures during July were 86.4°F и 70.2°F respectivly.

The average sea surface temperature in July 2025 for Niagara Falls was 75.0°F. The maximum and minimum values were 67.2°F and 79.2°F respectively.

You can expect various weather conditions during July. Be ready for sunny, cloudy or even gloomy days.

Precipitation total in July for Niagara Falls is 1.5 in. It makes july the most rainy month of the year.

The average wind speed in July is 7.0 mph. It makes July the most windless month of the year for Niagara Falls.

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 Niagara Falls in July is 8.8 hours.