Key West, USAQuick decision
When to visit Key West?
🌞 Best time overall
April
🌡️ Optimal temperature
24°C–26°C in April
🌧 Least rain
23% rainy days in April
🌧 Wettest month
September (65%)
📅 Best score
8.7/10
By trip type
Best time by type of trip
Mallory SquareYear-round — sunset, street artists and performers.
Hemingway HouseYear-round — polydactyl cats, tropical garden and history.
Snorkelling & ReefsApril–October — John Pennekamp, third-largest barrier reef.
Duval StreetYear-round — bars, key lime pie and tropical atmosphere.
Monthly climate data
Key West weather month by month
| Month | Min °C | Max °C | Rainy days (%) | Precip. mm/d | Sun h/d | Score |
|---|---|---|---|---|---|---|
| 🌤️ January | 20°C | 23°C | 25% | 1.6 | 10.2h | 7.9/10 |
| 🌤️ February | 22°C | 24°C | 21% | 1.2 | 10.9h | 8.2/10 |
| ☀️ March | 23°C | 25°C | 14% | 1.3 | 11.3h | 8.6/10 |
| ☀️ April | 24°C | 26°C | 23% | 1.3 | 12.5h | 8.7/10 |
| 🌤️ May | 26°C | 27°C | 35% | 3.1 | 12.9h | 8.4/10 |
| 🌤️ June | 27°C | 29°C | 55% | 4.8 | 12.9h | 7.7/10 |
| 🌤️ July | 28°C | 30°C | 53% | 3.2 | 13.0h | 7.6/10 |
| 🌤️ August | 28°C | 30°C | 59% | 4.4 | 12.5h | 7.4/10 |
| ⛅ September | 27°C | 29°C | 65% | 5.9 | 11.4h | 7.3/10 |
| 🌤️ October | 26°C | 28°C | 55% | 4.3 | 10.9h | 7.6/10 |
| 🌤️ November | 24°C | 26°C | 28% | 2.5 | 10.4h | 8.1/10 |
| 🌤️ December | 22°C | 24°C | 22% | 2.0 | 10.4h | 8.1/10 |
Ideal
Fair
Challenging climate
Source: Open-Meteo · 10 years
Seasonal breakdown
What to expect each season
🌸 Spring (Mar–May) — Excellent time
Average 26°C, 24% rainy days, 12.2h sunshine/day. Score: 8.6/10.
☀️ Summer (Jun–Aug) — Good time
Average 30°C, 56% rainy days, 12.8h sunshine/day. Score: 7.6/10.
🍂 Autumn (Sep–Nov) — Good time
Average 28°C, 49% rainy days, 10.9h sunshine/day. Score: 7.7/10.
❄️ Winter (Dec–Feb) — Good time
Average 24°C, 23% rainy days, 10.5h sunshine/day. Score: 8.1/10.
Accommodation
Find a place to stay in Key West
Check availability during the recommended period
Tip : off-peak months (September, October) are cheapest but weather is significantly worse.
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Activities and tours in Key West
Guided tours, skip-the-line tickets and local experiences.
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Flights
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Monthly weather
Detailed weather by month
FAQ
Frequently asked questions
April is ideal with 23% rainy days and 26°C.
September is the wettest month with 65% rainy days.
Yes, April is the best month with an average of 26°C.
In winter, the average score is 8.1/10. Acceptable conditions for cultural visits.
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