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Weather in Key West for August 2025

Your guide to Key West weather in August - trends and predictions
  • In general, the average temperature in Key West at the beginning of August is 29.3 °F. As the month progressed, temperatures tended to slightly increase, reaching an average of 29.4 °F by the end of August.

  • Key West experiences an exceptionally high level of rainfall in August, with more than 24 rainy days on average.

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Average dry days
6
Dry days
Average rainy days
25
Rainy days
Average snowy days
0
Snow days
Average temperatures
29°/29°
Temperatures
Average wind speed
26 km/h
Avg max wind
Average humidity
73 %
Avg humidity

Key West in August average weather

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Temperatures trend during August in Key West

See the weather trend as well as the moving average line

August weather day by day

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Date Weather Temperatures Rain UV More
Aug. 1 Light rain shower
Light rain shower
29° /29° 1.2 mm 6
Aug. 2 Light rain shower
Light rain shower
30° /29° 11.1 mm 7
Aug. 3 Moderate or heavy rain shower
Moderate or heavy rain shower
30° /27° 32.9 mm 6
Aug. 4 Light rain shower
Light rain shower
29° /28° 9.6 mm 6
Aug. 5 Light rain shower
Light rain shower
29° /29° 0.6 mm 6
Aug. 6 Patchy light drizzle
Patchy light drizzle
29° /29° 0.8 mm 6
Aug. 7 Light rain shower
Light rain shower
29° /28° 3.2 mm 6
Aug. 8 Patchy rain possible
Patchy rain possible
29° /28° 0.2 mm 6
Aug. 9 Patchy rain possible
Patchy rain possible
29° /29° 3.6 mm 6
Aug. 10 Patchy rain possible
Patchy rain possible
30° /29° 0.2 mm 7
Aug. 11 Light rain shower
Light rain shower
30° /29° 1 mm 7
Aug. 12 Patchy light drizzle
Patchy light drizzle
29° /29° 2.7 mm 6
Aug. 13 Patchy rain possible
Patchy rain possible
30° /29° 0.2 mm 7
Aug. 14 Cloudy
Cloudy
30° /29° 0.1 mm 7
Aug. 15 Patchy rain possible
Patchy rain possible
30° /29° 7.8 mm 7
Aug. 16 Patchy rain possible
Patchy rain possible
29° /29° 0.1 mm 6
Aug. 17 Patchy rain possible
Patchy rain possible
29° /28° 3.1 mm 6
Aug. 18 Patchy rain possible
Patchy rain possible
29° /28° 2.1 mm 6
Aug. 19 Patchy light drizzle
Patchy light drizzle
29° /29° 0.6 mm 6
Aug. 20 Light rain shower
Light rain shower
29° /29° 0.3 mm 6
Aug. 21 Cloudy
Cloudy
29° /29° 0 mm 6
Aug. 22 Patchy rain possible
Patchy rain possible
29° /28° 0.8 mm 6
Aug. 23 Patchy rain possible
Patchy rain possible
30° /28° 0.3 mm 7
Aug. 24 Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
30° /27° 18.8 mm 7
Aug. 25 Moderate or heavy rain shower
Moderate or heavy rain shower
29° /27° 15.8 mm 6
Aug. 26 Light rain shower
Light rain shower
29° /29° 3.8 mm 6
Aug. 27 Light rain shower
Light rain shower
29° /29° 14.1 mm 6
Aug. 28 Light rain shower
Light rain shower
29° /29° 1.3 mm 6
Aug. 29 Patchy light rain with thunder
Patchy light rain with thunder
30° /28° 2.9 mm 7
Aug. 30 Light rain shower
Light rain shower
30° /28° 2.3 mm 7
Aug. 31 Moderate or heavy rain shower
Moderate or heavy rain shower
30° /28° 4.5 mm 7
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Important Notice
Our weather forecast for Key West in August is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Key West forecast closer to your planned date for the most up-to-date weather information.

Key West in August - FAQ

What are the expected maximum and minimum temperatures in Key West during August?
During August, expect a variety of temperatures with highs around 29° and lows near 29°, suitable for diverse activities and preferences.
How much rainfall should be expected in Key West during August?
Significant rainfall exceeding 149.1 mm is expected in Key West during August, occurring over more than 25 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Key West during August?
The average wind speed in Key West during August is 26 km/h, suggesting breezy to windy conditions, depending on your activities.

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Location coordinates Where is Key West?

Get accurate weather forecasts for Key West, located at latitude 24.555 and longitude -81.782. Stay updated with localized weather information tailored for Key West.

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