Niagara Falls (NY) monthly weather averages

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Niagara Falls

Niagara Falls average temperature chart (Celsius) Niagara Falls average temperature chart (Fahrenheit)
Average monthly temperatures in Niagara Falls (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C -1.4 -0.7 4.7 11.7 18.2 23.7 26.6 25.5 21.2 14.5 7.9 1.5
°F 29.4 30.8 40.4 53 64.8 74.6 79.9 77.8 70.2 58.2 46.2 34.7

Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.

Average rainfall & rainy days

The graph below shows the average rainfall and number of rainy days per month.

Niagara Falls monthly rainfall chart (mm) Niagara Falls monthly rainfall chart (inches)
Average monthly rainfall in Niagara Falls (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 68 68 71 76 75 89 67 83 96 77 89 96
inches 2.7 2.7 2.8 3 2.9 3.5 2.6 3.3 3.8 3 3.5 3.8
Rainy days 15 14 12 12 12 11 9 10 10 12 13 16

Average annual rainfall in Niagara Falls: 917.9mm (361.4 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Niagara Falls

Niagara Falls average daily sunshine chart
Average daily sunshine Niagara Falls
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 3.2 4.1 5.3 6.9 8.3 9.6 10.1 8.8 6.8 5.3 3 2.4

Day / night temperatures

The graph below shows the daily range of temperatures for each month.

Niagara Falls average minimum / maximum temperatures (Celsius) Niagara Falls average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Niagara Falls (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -8.4 -7.9 -3.5 1.9 7.8 13.5 16.8 16.1 12.4 6.3 1.2 -4.9
Max °C -1.3 -0.5 4.9 11.9 18.5 23.9 26.9 25.7 21.5 14.8 8.1 1.7
Min °F 17 17.8 25.8 35.4 46 56.3 62.2 61 54.2 43.3 34.1 23.3
Max °F 23.4 24.4 33.3 44.4 55.6 65.7 71.2 69.6 62.4 50.9 40.3 29.1

Sea temperature

The graph below shows the average sea temperature.

Niagara Falls average sea temperature chart (Celsius) Niagara Falls average sea temperature chart (Fahrenheit)
Average sea temperature around Niagara Falls in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 3.3 2.4 2.1 3.1 6.7 13.5 19.7 21.4 19.1 14.1 9.2 5.3
°F 38 36.2 35.8 37.6 44 56.3 67.5 70.5 66.4 57.3 48.6 41.5

Wind speed

The graph below shows the average wind speed.

Niagara Falls average winspeed by month (km/h) Niagara Falls average winspeed by month (mph)
Average wind speed in Niagara Falls (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 20 19 18 18 15 14 13 13 14 16 18 19
mph 12 12 11 11 9 9 8 8 9 10 11 12

A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.

Relative humidity

The graph below shows the average relative humidity.

Niagara Falls relative humidity averages
Average relative humidity in Niagara Falls
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
77% 77% 74% 68% 67% 70% 69% 73% 75% 75% 78% 79%