Aridalia · Florida Humidity, Measured

Living with Florida’s humidity, backed by the data

Five federal and research datasets, read for one state — plus straight guides on dehumidifiers, mold, and keeping a Florida home dry. No fluff, no guesswork.

The research

30 years of Florida humidity, from the source

We pulled three decades of NOAA hourly records for five Florida cities and counted every oppressive day. The result is the clearest picture of where, and how badly, the state stays humid.

Read the full analysis →
193
oppressive days a year in Key West
5
cities, coast to coast
30 yr
of NOAA hourly data

The data behind this site

Five open datasets, filtered down to Florida

There is no lab here and no shelf of test units. What there is: federal records and research datasets, filtered down to what applies to a house in this state. Every number on this site traces back to one of these five.

All five research pages →  ·  How we use each one, and where the limits are →

Start here

Humidity by city

Oppressive days per year — the number of days the dew point hits 75°F

What size dehumidifier do you need?

Enter your room size and how damp it is — get a pint recommendation tuned for Florida in seconds.

Open the calculator

Who’s behind this

Vitalii Markov

A third of my life was spent at sea as a bosun; after that I drove a truck across nearly every state in the country. Now I live on the Florida coast and run this site the way I’d want the information myself: from the actual data, checked against real sources, with nothing made up.

More about the author →