How warm is Florida Keys in October?

Typical highs are about 82°F and the sea is about 83°F. That is warm enough for long swims without a wetsuit.

Is October hurricane season in Florida Keys?

October falls in the tropical storm season; the typical risk on a given day is moderate. It peaks in September. Travel insurance and flexible bookings help.

How crowded is Florida Keys in October?

Typically moderate. The quietest months are usually September and October.

Florida Keys in October

October is a middling month for Florida Keys: a typical day grades A-, the 8th best of the 12 months. Expect highs near 82°F, water around 83°F and about a 49% chance of rain on a given day. Beaches are typically moderate. It is hurricane season, with moderate storm risk.

Typical dayA-8th of 12 months

Highs / water82°FSea 83°F

Rain chance49%on a given day

Waves3.6 fttypical

CrowdsModerateno big holidays

Storm riskModeratehurricane season

Florida Keys month by month

Typical grade and high for each month. Higher is better: A+ to F.

September: B · October: A- · November: A-. The best months are usually April, May and November, and the weakest are January and September.

Best beaches in Florida Keys in October

Resorts with the best typical October, and their grades for the next few days.

Beach	Typical Oct	This week
Baker's Cay Resort Key Largo	A-	SatA-SunA-MonATueAWedA-
Playa Largo Resort & Spa	A-	SatA-SunA-MonATueAWedA-
Casa Morada	A-	SatA-SunA-MonA-TueAWedA-
Islander Resort	A-	SatB+SunA-MonA-TueA-WedA-
Cheeca Lodge & Spa	A-	SatB+SunA-MonA-TueA-WedA-
The Moorings Village	A-	SatB+SunA-MonA-TueA-WedA-
Hawks Cay Resort	A-	SatA-SunA-MonA-TueAWedA
Tranquility Bay Beachfront Resort	A-	SatA-SunA-MonATueA-WedA-

Grades for the next few days from Veabird's beach forecast, updated Oct 3, 18:00 UTC. Higher is better: A+ to F.

Better beach options in October

Elsewhere in Florida & the Gulf Coast, Southwest Florida (A) and South Padre & the Coastal Bend (A-) usually grade higher in October. Further afield: Maui (A), Oʻahu (A) and Los Cabos (A). Every destination in October.

Questions

Is October a good time to visit Florida Keys?: October is a middling month for Florida Keys: a typical day grades A-, the 8th best of the 12 months. Expect highs near 82°F, water around 83°F and about a 49% chance of rain on a given day. Beaches are typically moderate. It is hurricane season, with moderate storm risk.
How warm is Florida Keys in October?: Typical highs are about 82°F and the sea is about 83°F. That is warm enough for long swims without a wetsuit.
Is October hurricane season in Florida Keys?: October falls in the tropical storm season; the typical risk on a given day is moderate. It peaks in September. Travel insurance and flexible bookings help.
How crowded is Florida Keys in October?: Typically moderate. The quietest months are usually September and October.

Plan it

Florida Keys: this week's forecast, beach by beach
Sargassum Report: this week, updated every Monday
Compare dates and beaches on the map

Typical-month numbers from Veabird's year-ahead outlook for the 17 resorts here (median resort): 6 years of ERA5 climate normals, the seasonal pattern of the Atlantic sargassum belt, holiday crowd calendars and historical storm tracks. Any given year can differ; check the 16-day forecast before you go.