South Windsor (CT) monthly weather averages

Average daytime temperature

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

South Windsor average temperature chart (Celsius) South Windsor average temperature chart (Fahrenheit)
Average monthly temperatures in South Windsor (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 0.9 2.3 7.7 14.5 20.8 25.5 28.2 27.2 23.2 17.3 10.6 3.4
°F 33.6 36.2 45.9 58.1 69.4 77.9 82.7 81 73.7 63.2 51 38.1

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.

South Windsor monthly rainfall chart (mm) South Windsor monthly rainfall chart (inches)
Average monthly rainfall in South Windsor (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 85 80 91 100 101 96 91 90 95 90 100 97
inches 3.3 3.1 3.6 3.9 4 3.8 3.6 3.5 3.8 3.5 3.9 3.8
Rainy days 11 10 11 11 12 11 9 10 9 8 11 12

Average annual rainfall in South Windsor: 1084.367mm (426.9 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in South Windsor

South Windsor average daily sunshine chart
Average daily sunshine South Windsor
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 6.1 6.9 7.6 8.3 9 9.8 10 9.2 8 7.1 5.2 5.1

Day / night temperatures

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

South Windsor average minimum / maximum temperatures (Celsius) South Windsor average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in South Windsor (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -8.5 -7.2 -2.2 3 8.6 13.6 16.8 15.9 11.4 5.4 0.8 -5.4
Max °C 1.1 2.6 8 14.8 21.1 25.8 28.5 27.5 23.5 17.6 10.8 3.6
Min °F 16.7 19.1 28.1 37.4 47.4 56.5 62.2 60.6 52.4 41.7 33.4 22.3
Max °F 25.3 27.9 37.2 48 58.6 67.5 72.7 71.1 63.3 52.7 42.4 30.4

Sea temperature

The graph below shows the average sea temperature.

South Windsor average sea temperature chart (Celsius) South Windsor average sea temperature chart (Fahrenheit)
Average sea temperature around South Windsor in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 6 4 3.7 5.8 10.3 15.9 20.6 21.7 19.6 15.8 12.1 8.9
°F 42.8 39.1 38.7 42.5 50.6 60.6 69.1 71 67.3 60.5 53.8 48

Wind speed

The graph below shows the average wind speed.

South Windsor average winspeed by month (km/h) South Windsor average winspeed by month (mph)
Average wind speed in South Windsor (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 17 17 18 18 16 14 14 13 14 15 16 16
mph 10 11 11 11 10 9 9 8 9 9 10 10

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.

South Windsor relative humidity averages
Average relative humidity in South Windsor
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
65% 64% 62% 60% 65% 69% 70% 72% 74% 70% 69% 68%