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Sanibel (FL) Climate by Month

The temperature in Sanibel varies moderately throughout the year. The temperatures shift from very warm to warm. It is also known for its large amounts of rainfall. Let's now guide you through the climate details for a complete overview.

Average day and night temperature

The weather in Sanibel changes moderately throughout the year, offering enough variation to appreciate each season. Typically, daytime temperatures range from a very warm 32°C in August to a comfortable 22°C in the coolest month, January. Nights are cooler, with temperatures generally dropping to 14°C, particularly during the colder months.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Sanibel has a relatively rainy climate with high precipitation levels, averaging 1265 mm of rainfall annually. The climate in Sanibel shows significant variation throughout the year. Expect heavy rainfall in August, with an average of 247 mm of precipitation over 25 rainy days. In contrast, February offers drier and sunnier days, with around 41 mm of rainfall over 6 rainy days.

The mean monthly precipitation over the year, including rain, hail and snow

The best time of year to visit Sanibel in the United States of America

During the months of January, February, March, November and December you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • Which months have the greatest rainfall in Sanibel?
    Most rainfall (rainy season) is seen in June, July, August and September.
  • Which is the warmest month in Sanibel?
    August has an average maximum temperature of 32°C and is the warmest month of the year.
  • Which is the coldest month in Sanibel?
    The coldest month is January with an average maximum temperature of 22°C.
  • Which is the wettest month in Sanibel?
    August tops the wettest month list with 247 mm of rainfall.
  • Which is the driest month in Sanibel?
    February is the driest month with 41 mm of precipitation.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

    Forecast for Sanibel (FL)

    Sat   Nov 23
    21°C | 13°C
    N 22 km/h
    clear and no rain

    clear and no rain

    Sun   Nov 24
    23°C | 13°C
    N 14 km/h
    clear and no rain

    clear and no rain

    Mon   Nov 25
    25°C | 17°C
    NE 14 km/h
    clear and no rain

    clear and no rain