How Hot Will Florida Be This Summer?

What Rising Temperatures Mean for Your HVAC System

After last summer’s record-breaking heat, Florida residents are once again bracing for soaring temperatures. Early forecasts for 2025 point to another stretch of intense summer heat, with hot, humid conditions expected across much of the state. Here’s what you need to know about the summer outlook – and how to make sure your HVAC system is ready to go before the worst of the heat hits.

A Look Back: Florida’s Recent Heatwaves

Global and U.S. temperatures hit record highs in 2024, making it the hottest year since records began in 1850. Florida was no exception, with last summer ranking as the fifth hottest since 1895, according to the National Oceanic and Atmosphere Administration (NOAA). The average statewide temperature of 72.9°F was about 2.8 degrees higher than the 20th century average, according to the Florida Climate Center, making beach days a little sweatier and straining air conditioning systems across the Sunshine state.

And this wasn’t just a one-time event. In recent years, Florida summers have been trending hotter overall, with longer stretches of extreme heat and humidity. Climate patterns and warming trends are pushing those thermometers higher, and the forecast suggests we’re not in for much relief this year either.

Nationwide, 17 states experienced their hottest summer on record in 2024.

Florida’s Summer 2025 Forecast

How hot will Florida be this summer? According to current forecasts, April and May will bring warmer and wetter conditions in northern Florida, while the southern parts of the state can expect things to be a bit cooler and drier than usual.

As summer ramps up:

• Northern and Central Florida are likely to see a warmer and drier summer overall.
• Southern Florida, including Miami, should brace for cooler but wetter conditions, which could mean more humidity and storm activity.

Florida summer temperatures are expected to peak in early July and again in mid-August, which will likely be the hottest stretches of the season, according to the Old Farmer’s Almanac. And it wouldn’t be a Florida summer without some tropical activity, as tropical storm activity is predicted in mid-July and late August. September and October are forecasted to be warmer and drier than normal, extending the heat well past Labor Day.

What Hot Weather Means for Your HVAC System

Hot, humid Florida summers can push your HVAC system to its limits. When your air conditioner is running almost nonstop, parts wear down faster, and small issues can quickly turn into big, expensive problems. High humidity also adds strain, as your system works overtime to not just cool the air but also remove excess moisture from your home.

If your system is older or hasn’t been serviced in a while, it may struggle to keep up – or worse, break down just when you need it most.

How Homeowners Can Prepare for the Heat

The good news? A little preparation can go a long way toward keeping your home comfortable and prepared for Florida summer weather.

Schedule a Maintenance Checkup

Before the heat really kicks in, have an HVAC professional inspect and tune-up your air conditioner. Regular maintenance helps catch small problems early, keeps your unit running efficiently, and may even extend its lifespan.

Address Any Issues Right Away

Strange noises, weak airflow, or rising energy bills are signs that your system might need attention. Don’t wait – fixing problems early can prevent more costly repairs or even a total system failure later on.

Keep Your System Clean

Clean or replace air filters monthly, and make sure your outdoor unit is free from debris like leaves or grass clippings. Good airflow is crucial for efficient cooling.

Consider Upgrades if Needed

If your system is over 10-15 years old, you might want to look into newer, more energy-efficient models, such as a high-efficiency heat pump or variable-speed air conditioner. These systems can handle Florida’s demanding climate better and may qualify for tax credits too.

Have a Trusted HVAC Company on Standby

It’s smart to establish a relationship with a reliable HVAC company before issues with your air conditioner arise. Many offer maintenance programs that not only keep your system running smoothly but also give you priority service and 24/7 emergency support, a major advantage during the busy summer months when air conditioning systems tend to break down the most.

Stay Hydrated and Use Ceiling Fans

Beyond your HVAC system, remember to stay cool with simple habits like drinking plenty of water and using ceiling fans to help circulate air. Fans can make rooms feel cooler and ease the burden on your cooling system.

Seal and Insulate Your Home

Good insulation and sealed windows and doors help keep the cool air in and the hot air out. Simple steps like adding weather stripping or using blackout curtains can make a noticeable difference in indoor comfort and energy bills.