Fort Myers, Florida Weather History

Florida, United States  •  45 yrs data 📍 26.5552°N, 81.8281°W
°F / °C
☀️

Quick Climate Facts

(1981 – 2025)
Hottest Month
🔥
Jun
Avg 81.7°F
Min 72.1°F
Max 91.2°F
Coldest Month
❄️
Jan
Avg 58.8°F
Min 39°F
Max 78.6°F
Wettest Month
🌧️
Jun
217 mm
Driest Month
🏜️
Dec
47 mm
Most Humid
💧
Sep
82%
Least Humid
🌬️
May
72%
Highest Ever
🌡️
97.9°F
Jun 1985
Lowest Ever
🧊
28.5°F
Dec 1983
Monthly Climate Data
Month 🌤️ High Low Avg Humid % Rain (mm) Wind (m/s) Solar (kWh/m²)

Showing average climate conditions across 45 years (1981–2025)

🌍 Weather in Fort Myers Across Seasons

❄️ Winter in Fort Myers

January is Fort Myers's coldest month, with average lows reaching 39°F.
🌡️ December to February (avg)  ·  41.7°F79.7°F

🧥 Light layers are sufficient — this Mild Winter stays cool without prolonged hard freezes.

☀️ Summer in Fort Myers

Summer temperatures in Fort Myers peak in June, climbing to 91.2°F.
🌡️ June to August (avg)  ·  74.1°F90.9°F

🌤️ Early mornings and evenings are most comfortable during this Hot Summer season.

🌧️ Rainy Season in Fort Myers

Fort Myers sees its highest rainfall in June, receiving approximately 217 mm of precipitation.
🌧️ June to August (avg)  ·  up to 217 mm

☔ Heavy Rainfall expected — carry rain gear and plan outdoor activities around these months.

📅 Monthly Averages

🌡️ Temperature Patterns

Monthly averages · 1981–2025 climate normals · °F

🌡️ Fort Myers Monthly Temperature Guide

Jun is the hottest month in Fort Myers, with average highs reaching 91.2°F, while Jan is the coldest with lows dropping to 39°F.

Temperatures rise steadily from spring, peak in Jun, and gradually decline through fall into winter.

These seasonal patterns offer comfortable conditions year-round, with warm summers and mild winters.

🌧️ Rainfall Distribution

Monthly rainfall · 1981–2025 seasonal trends · mm/month

💨 Humidity & Wind Speed

Monthly averages · 1981–2025

💧 Rainfall & Humidity in Fort Myers

Fort Myers receives its highest rainfall in Jun, while humidity peaks in autumn.
🌧️ Wettest: Jun — 217 mm ☀️ Driest: Dec — 47 mm

💧 Humidity peaks at 82% in Sep · annual avg 79%

🌍 Climate Summary

Avg Annual Temp:72°F
Avg Annual Rainfall:1302 mm
Avg Humidity:79%
Data Period:1981 – 2025

Fort Myers Climate Overview

Fort Myers has a warm subtropical climate with warm summers and mild winters.

Temperatures peak in Jun and drop to their lowest in Jan, while rainfall is highest during summer months.

Humidity remains high throughout the year, especially in autumn, creating warm and humid conditions.

📈 Yearly Trends

The warmest year in Fort Myers's recorded history was 2024 (avg: 74.5°F), while the coldest year was 1983 (avg: 68.9°F), based on annual average temperatures.

📊 Key Climate Trends

🌡️ Annual Temperature Trend

View Range:

Average annual high/low · Last 10 years · °F

Fort Myers's temperatures shows a slight warming trend over the past decade. The highest recorded temperature reached 97.9°F in Jun 1985, while the lowest dropped to 28.5°F in Dec 1983.

🌧️ Annual Precipitation

View Range:

Total annual precipitation · Last 10 years · mm/year

Annual rainfall in Fort Myers shows noticeable variation. Rainfall has decreased in recent years compared to earlier periods.
📋 Yearly Climate Data Overview

🔥 hottest  ·  ❄️ coldest  ·  🌧️ wettest

Year Min Temp Avg Temp Max Temp Rainfall (mm) Avg Humidity Avg Wind

🏙️ Other Cities in Florida

Looking for another state? 🇺🇸 Explore All US States & Cities →

❓ Frequently Asked Questions

What is the hottest month in Fort Myers?
Based on 45 years of data (1981–2025), Jun is typically the hottest month in Fort Myers, Florida, with average high temperatures around 91.2°F.
What is the coldest month in Fort Myers?
Jan is the coldest month in Fort Myers, with average low temperatures around 39°F.
What is the rainiest month in Fort Myers?
Jun receives the most rainfall with approximately 217 mm, while Dec is the driest with 47 mm.
What was the highest temperature ever recorded in Fort Myers?
The highest recorded temperature was 97.9°F in Jun 1985. This is part of the historical record spanning 1981–2025.
What was the lowest temperature ever recorded in Fort Myers?
The lowest recorded temperature was 28.5°F in Dec 1983.
How many years of data does this page cover?
This page covers 45 years of climate data from 1981 to 2025. As new data is added to the database the page automatically reflects the updated coverage.
How much sunlight does Fort Myers get?
Fort Myers receives the most sunlight in May with an average solar radiation of 6.45 kWh/m²/day. This solar radiation data, sourced from NASA POWER, is useful for solar energy planning, agriculture, and understanding seasonal sunshine availability in Florida.
Where does this weather data come from?
All climate data is sourced from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite and model data. It provides monthly averages for temperature, precipitation, humidity, wind speed, and solar radiation.

📚 Data Source

All weather data is sourced from NASA POWER (Prediction of Worldwide Energy Resources), a NASA project providing solar and meteorological data for renewable energy, building efficiency, and agricultural research.

Parameters included:
  • Temperature (Min, Max)
  • Precipitation
  • Relative Humidity
  • Wind Speed
  • Solar Radiation
Data specifications:
  • Resolution: Monthly
  • Spatial: 0.5° × 0.625°
  • Source: MERRA-2
  • Coverage: 1981–2025
  • Years: 45