Big Coppitt Key (FL) monthly weather averages

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Big Coppitt Key

Big Coppitt Key average temperature chart (Celsius) Big Coppitt Key average temperature chart (Fahrenheit)
Average monthly temperatures in Big Coppitt Key (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 23.4 23.7 25.8 27.5 29.2 30.8 31.6 31.8 31.1 29.1 26.4 24.2
°F 74.2 74.7 78.4 81.6 84.6 87.4 88.9 89.2 88.1 84.4 79.5 75.6

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.

Big Coppitt Key monthly rainfall chart (mm) Big Coppitt Key monthly rainfall chart (inches)
Average monthly rainfall in Big Coppitt Key (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 47 48 40 46 107 144 104 125 166 116 51 45
inches 1.8 1.9 1.6 1.8 4.2 5.7 4.1 4.9 6.5 4.5 2 1.8
Rainy days 6 6 5 4 8 12 12 15 16 11 7 6

Average annual rainfall in Big Coppitt Key: 982.7mm (386.9 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Big Coppitt Key

Big Coppitt Key average daily sunshine chart
Average daily sunshine Big Coppitt Key
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 8.5 9.1 10.3 11.2 11.3 10.8 10.9 10.3 9.5 8.8 8.2 8

Day / night temperatures

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

Big Coppitt Key average minimum / maximum temperatures (Celsius) Big Coppitt Key average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Big Coppitt Key (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 17 17.4 19.5 21.3 23.3 24.9 25.5 25.5 24.9 23.2 20.5 18
Max °C 23.6 23.9 26 27.7 29.4 30.9 31.8 32 31.3 29.3 26.6 24.4
Min °F 62.6 63.2 67 70.3 73.9 76.8 77.8 77.8 76.8 73.7 68.8 64.4
Max °F 68.5 69.1 72.9 76.1 79.3 82.2 83.5 83.7 82.6 79.2 74.3 70.2

Sea temperature

The graph below shows the average sea temperature.

Big Coppitt Key average sea temperature chart (Celsius) Big Coppitt Key average sea temperature chart (Fahrenheit)
Average sea temperature around Big Coppitt Key in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 23.9 23.5 23.9 25.2 26.9 28.6 29.5 29.9 29.4 28.2 26.4 25
°F 75 74.3 75.1 77.3 80.3 83.5 85.2 85.8 85 82.7 79.4 77

Wind speed

The graph below shows the average wind speed.

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

Big Coppitt Key relative humidity averages
Average relative humidity in Big Coppitt Key
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
76% 74% 73% 70% 73% 75% 73% 74% 76% 76% 76% 76%