Cortland (NY) monthly weather averages

Average daytime temperature

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

Cortland average temperature chart (Celsius) Cortland average temperature chart (Fahrenheit)
Average monthly temperatures in Cortland (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C -1.9 -1 4.7 11.6 18.6 23.5 26.2 25 20.8 14.5 7.5 0.6
°F 28.6 30.1 40.4 52.9 65.5 74.2 79.1 76.9 69.5 58.1 45.4 33.1

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.

Cortland monthly rainfall chart (mm) Cortland monthly rainfall chart (inches)
Average monthly rainfall in Cortland (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 65 65 75 85 86 99 91 87 93 84 91 89
inches 2.6 2.6 2.9 3.3 3.4 3.9 3.6 3.4 3.6 3.3 3.6 3.5
Rainy days 17 15 16 14 13 13 11 11 11 12 16 18

Average annual rainfall in Cortland: 974.933mm (383.8 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Cortland

Cortland average daily sunshine chart
Average daily sunshine Cortland
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 3.9 4.7 6 7.3 8.6 9.7 10.1 8.8 7.1 5.4 3.2 2.7

Day / night temperatures

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

Cortland average minimum / maximum temperatures (Celsius) Cortland average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Cortland (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -10.5 -10.4 -4.9 1 6.5 11.5 14.2 13.2 9.3 3.9 -0.7 -7
Max °C -1.7 -0.8 4.9 11.9 18.9 23.8 26.5 25.3 21.1 14.8 7.7 0.8
Min °F 13.1 13.3 23.2 33.7 43.7 52.6 57.5 55.7 48.7 38.9 30.8 19.4
Max °F 21 21.9 32 43.5 54.9 63.7 68.5 66.6 59.4 48.7 38.3 26.4

Sea temperature

The graph below shows the average sea temperature.

Cortland average sea temperature chart (Celsius) Cortland average sea temperature chart (Fahrenheit)
Average sea temperature around Cortland in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 3.2 2.3 2.3 3.7 6.9 13.7 19.9 21.8 19.4 14.2 9.2 5.2
°F 37.8 36.1 36.2 38.6 44.5 56.7 67.9 71.2 66.9 57.5 48.5 41.4

Wind speed

The graph below shows the average wind speed.

Cortland average winspeed by month (km/h) Cortland average winspeed by month (mph)
Average wind speed in Cortland (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 18 18 19 18 16 14 13 13 14 16 17 18
mph 11 11 12 11 10 9 8 8 9 10 11 11

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.

Cortland relative humidity averages
Average relative humidity in Cortland
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
74% 72% 69% 65% 67% 72% 72% 75% 78% 74% 76% 78%

Other monthly averages

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Cortland weather stats

Cortland weather statistics
Hottest month: July 26.2°C 79.2°F
Driest month: February 65mm 2.6ins
Sunniest month: July 10.1hrs
Coldest month: January -1.9°C 28.6°F
Wettest month: June 99mm 3.9ins
Warmest sea: August 21.8°C 71.2°F
Map showing location of Cortland (42.60118, -76.18048) Cortland map pin © Google

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