Best Time to Visit the Florida Keys
Month-by-month weather, hurricane season reality, and the best timing for diving, fishing, and beaches
March and April are the best overall months to visit the Florida Keys — warm air, warm water, low rain, manageable humidity, and excellent diving visibility. November and December are close seconds with the added benefit of fewer crowds than January–March. Avoid September unless you are comfortable with hurricane risk and property closures.
Month by Month
| Month | High | Water | Rain | Crowds | Verdict |
|---|---|---|---|---|---|
| January | 75°F | 72°F | Low | High | Peak season. Great weather, higher prices. |
| February | 76°F | 73°F | Low | High | Peak season. Excellent diving visibility. |
| March | 79°F | 75°F | Low | Very High | Best overall month. Spring break brings crowds. |
| April | 82°F | 78°F | Low | High | Warm, dry, ideal. Lobster mini-season prep. |
| May | 85°F | 81°F | Moderate | Medium | Shoulder season. Good value, warm water. |
| June | 88°F | 84°F | Moderate | Medium | Hurricane season starts. Still good travel month. |
| July | 89°F | 86°F | Moderate | Medium | Hot and humid. Lobster mini-season (last week). |
| August | 89°F | 87°F | High | Low | Hottest month. Afternoon storms common. Lowest prices. |
| September | 88°F | 86°F | High | Very Low | Peak hurricane risk. Many closures. Cheapest rates. |
| October | 84°F | 82°F | Moderate | Low | Hurricane risk decreasing. Fantasy Fest (Key West). |
| November | 80°F | 78°F | Low | Medium | Season begins. Great weather returns. Good value. |
| December | 76°F | 74°F | Low | High | Holiday season. Book early. Cool and pleasant. |
Hurricane Season Reality
- !Hurricane season runs June 1 through November 30, with peak risk in August–October.
- !September is statistically the highest-risk month. Many smaller properties close for 2–4 weeks.
- !Major resorts typically remain open but may offer flexible cancellation policies during hurricane season.
- !The Keys have mandatory evacuation orders for strong hurricanes. US-1 is the only road out.
- !Travel insurance with trip cancellation coverage is strongly recommended for June–November bookings.
- !Outside of active storms, hurricane season weather is often beautiful — hot, humid, with afternoon thunderstorms that clear quickly.
Best Months by Activity
Diving & Snorkeling
March – JuneBest visibility (100+ feet), calm seas, warm water temperatures. Lobster mini-season in late July is popular for experienced divers.
Sportfishing
April – June (offshore), November – March (flats)Offshore: sailfish, mahi-mahi, and tuna run in spring. Flats: bonefish, permit, and tarpon peak in winter. Tarpon season is April–June.
Beach & Swimming
March – MayWarm air and water, low rain, comfortable humidity. Summer is hotter with afternoon storms. Winter water is cooler (low 70s).
Kayaking & Nature
November – AprilDry season with comfortable temperatures. Mangrove trails and backcountry flats are most pleasant in winter. Key deer are active year-round.
Nightlife & Events
October – AprilFantasy Fest (October), Hemingway Days (July), holiday events (December). Key West's nightlife is year-round but peaks in winter season.
Frequently Asked Questions
When is the best time to visit the Florida Keys?
March and April are the best overall months — warm days, low rain, comfortable humidity, and excellent water visibility. November and December are also excellent with fewer crowds than peak winter. May is the best value month with good weather.
When is hurricane season in the Florida Keys?
Officially June 1 through November 30, with peak risk in August, September, and October. September is the single highest-risk month. Many travelers avoid September entirely.
Is it safe to visit the Florida Keys during hurricane season?
Most of hurricane season is fine for travel. June, July, and November have relatively low storm risk. The real concern is August through October. If you book during that window, get travel insurance with trip cancellation coverage and monitor weather forecasts.
What is the cheapest time to visit the Florida Keys?
Late August through October offers the lowest hotel rates — often 30–50% below peak season prices. May and early June also offer good value. The tradeoff is higher heat, humidity, and hurricane risk.
When is the water warmest in the Florida Keys?
July through September, when water temperatures reach 85–87°F. Even in winter, water stays in the low-to-mid 70s — warm enough for swimming and snorkeling year-round.
When is lobster season in the Florida Keys?
Lobster mini-season (sport season) is the last consecutive Wednesday and Thursday of July. Regular lobster season runs August 6 through March 31. Mini-season is extremely popular — book lodging months in advance.