Fort Myers (FL) Temperature by Month

Fort Myers in Florida, United States of America sees moderate seasonal temperature shifts, with daytime highs between 24°C (75°F) in January and 33°C (91°F) in August, averaging 29°C (84°F) annually. Explore the full monthly breakdown below.

The weather in Fort Myers changes moderately throughout the year, offering enough variation to appreciate each season. Nights are cooler, with lows ranging from 24°C (75°F) to 12°C (54°F).

The chart below illustrates the average maximum day and minimum night temperatures in Fort Myers by month:

Temperatures tend to bottom out between 4 AM and 6 AM, then climb to their daily peak around 3 PM.

The chart below shows the average temperature throughout the year:

Fort Myers's average annual maximum temperature is 29°C (84°F). To put that in context, here's how it compares to a few well-known destinations:

Athens, Greece sits at 23°C (73°F) on average, with hot dry summers and mild winters characteristic of the Mediterranean.

Zermatt, Switzerland averages just 4°C (39°F) annually due to its altitude, with very cold winters and cool summers even at its warmest.

Osaka, Japan averages 22°C (72°F) annually, with hot humid summers, mild winters, and pleasant spring and autumn seasons.

Adelaide, Australia averages 21°C (70°F) a year, with warm summers, mild winters, and relatively low rainfall year-round.

Climate temperature data is typically calculated as a 30-year average. This smooths out year-to-year variability and gives a more reliable picture of what a place is actually like, rather than what happened in any single unusual year.

The readings come from a range of sources, land-based weather stations, ocean buoys, ships, and satellites. That data is collected by weather services around the world, then pooled, quality-checked, and averaged to produce the climate records you see here.

Global average temperatures have risen by around 1.2°C since the pre-industrial era, and the effects are visible across many regions. Winters are milder on average, with fewer frost days and less snow in many parts of the world. Heatwaves are more frequent and more intense, and Europe's summers of 2018, 2019, and 2020 all set records.

Summers are also getting drier in some areas, while winter rainfall has increased in others. This contributies to higher river levels and more flooding. In many countries, spring arrives earlier and autumn lasts longer. It has knock-on effects for wildlife, agriculture, and local ecosystems.

For more on Fort Myers's weather, including monthly rainfall, sunshine hours, and humidity, visit our Fort Myers climate page.