Sanibel (FL) monthly weather averages

Contents

Average daytime temperature

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

Sanibel average temperature chart (Celsius) Sanibel average temperature chart (Fahrenheit)
Average monthly temperatures in Sanibel (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 23.2 23.7 26.2 28.7 31.1 32.1 32.6 32.7 31.9 29.6 26.7 24
°F 73.7 74.7 79.1 83.6 88 89.8 90.7 90.8 89.4 85.3 80.1 75.3

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.

Sanibel monthly rainfall chart (mm) Sanibel monthly rainfall chart (inches)
Average monthly rainfall in Sanibel (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 49 57 74 36 95 232 211 227 201 85 39 41
inches 1.9 2.2 2.9 1.4 3.7 9.1 8.3 8.9 7.9 3.3 1.5 1.6
Rainy days 6 6 6 4 8 13 14 16 14 9 7 6

Average annual rainfall in Sanibel: 1289.4219934mm (507.6 inches)

Average daily sunshine

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

Sanibel average daily sunshine chart
Average daily sunshine Sanibel
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 7.7 8.4 9.6 10.7 10.7 10.1 9.9 9.4 8.8 8.6 7.8 7.5

Day / night temperatures

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

Sanibel average minimum / maximum temperatures (Celsius) Sanibel average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Sanibel (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 11.9 12.4 15 16.8 19.9 22.7 23.6 23.7 23.4 20.3 16.1 12.9
Max °C 23.5 24 26.5 29 31.4 32.3 32.8 32.9 32.1 29.9 27 24.3
Min °F 53.5 54.3 58.9 62.3 67.8 72.9 74.5 74.7 74.1 68.5 61 55.2
Max °F 63.9 64.8 69.3 73.2 78.1 81.6 82.8 82.9 81.9 77.1 70.8 65.5

Sea temperature

The graph below shows the average sea temperature.

Sanibel average sea temperature chart (Celsius) Sanibel average sea temperature chart (Fahrenheit)
Average sea temperature around Sanibel in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 21.5 20.9 21.4 23 25.5 28 29.4 29.9 29.3 27.6 25.3 23.3
°F 70.8 69.5 70.5 73.5 77.9 82.5 84.9 85.8 84.7 81.7 77.5 73.9

Wind speed

The graph below shows the average wind speed.

Sanibel average winspeed by month (km/h) Sanibel average winspeed by month (mph)
Average wind speed in Sanibel (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 16 17 17 16 15 14 12 12 13 15 16 15
mph 10 10 11 10 10 8 8 8 8 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.

Sanibel relative humidity averages
Average relative humidity in Sanibel
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
75% 73% 72% 69% 71% 77% 78% 79% 79% 75% 76% 75%

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

Sanibel weather stats

Sanibel weather statistics
Hottest month: August 32.7°C 90.9°F
Driest month: April 36mm 1.4ins
Sunniest month: April 10.7hrs
Coldest month: January 23.2°C 73.8°F
Wettest month: June 232mm 9.1ins
Warmest sea: August 29.9°C 85.8°F
Map showing location of Sanibel (26.44897, -82.02231) Sanibel map pin © Google

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