Key West Weather in August
United States · 30-year monthly averages
🤔 Fair time to visit
August in Key West is hot, with average daytime highs around 33°C (91°F) and nighttime lows near 27°C (80°F). Expect roughly 136mm of precipitation, and this is one of the wetter months.
Avg high
33°C
91°F
Avg low
27°C
80°F
Rainfall
136mm
rainy
Mean temp
30°C
85°F
🎒 What to pack
- breathable summer clothing
- sunscreen, hat and sunglasses
- refillable water bottle
- compact umbrella or rain jacket
August vs the rest of the year
FAQ
- How hot is Key West in August?
- August in Key West is hot, with average daytime highs around 33°C (91°F) and nighttime lows near 27°C (80°F). Expect roughly 136mm of precipitation, and this is one of the wetter months.
- Does it rain a lot in Key West in August?
- Key West sees around 136mm of precipitation in August on average — rainy by global standards.
- Is August a good time to visit Key West?
- August is a workable month to visit Key West, but expect some weather trade-offs.