Typical August weather
Key West
Florida · August
91° days
81° nights
about 9 rainy days · 13 hours of daylight · ocean 89°
What to pack
- Umbrella
- Swimsuit
- Sunscreen
What August feels like
August is when the rain picks up in earnest and the storm season starts producing names. Prices go soft and the pace goes slack; if you want Key West cheap and unhurried, this is the trade.
Rain arrives about 9 days of the month, so keep one flexible day in your plans. Full tropical humidity: mornings are your friend, and shade is currency. about 20 afternoons top 90°.
Can you swim?
The ocean runs about 89° — bath-warm.
The numbers
| Typical high | 91° |
|---|---|
| Typical low | 81° |
| Days with real rain | 9 |
| Total rain | 5.4 in |
| Humidity | tropical |
| Water temperature | 89° |
| Sunrise / sunset (mid-month) | 7:01 am / 8:01 pm |