The highest day temperature in July 2026 was 103°F. The lowest night temperature was 51°F. The average values for day and night temperatures during July were 89.1°F и 66.0°F respectivly.

The average sea surface temperature in July 2026 for Niagara Falls was 74.0°F. The maximum and minimum values were 69.6°F and 77.0°F respectively.

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

Precipitation total in July for Niagara Falls is 1.4 in. It makes july one of the most rainy months of the year.

The average wind speed in July is 7.6 mph. It makes July one of the most windless months 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 9.4 hours.