The highest day temperature in April 2026 was 78°F. The lowest night temperature was 15°F. The average values for day and night temperatures during April were 56.3°F и 42.8°F respectivly.

The average sea surface temperature in April 2026 for Niagara Falls was 39.2°F. The maximum and minimum values were 34.6°F and 45.4°F respectively.

Most of the days in April are gloomy but you can also expect sunny days.

Precipitation total in April for Niagara Falls is 1.2 in. It makes april one of the most rainy months of the year.

The average wind speed in April is 10.1 mph.

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 April is 5.9 hours.