Miami
Florida, USA
Long-term weather forecast
Long-term weather forecast

August weather forecast and Climate
Miami, FL

Stunning layout of the Miami Coast in Florida, with a beautiful, clean beach, and perfect cityscape and skyline
Stunning layout of the Miami Coast in Florida, with a beautiful, clean beach, and perfect cityscape and skyline
August is the peak of summer with average temperatures regularly crossing 90°F (32.2°C). Hurricane season is also at its maximum, and there is no sensible reason to visit Miami during this time of year.
The sun is merciless when it peeks out of the cloudy skies during long summer days. There is a high risk of sunburns, and it is essential to take precautionary measures to avoid it.
  • The average high temperature in August: 32.8°C

The warmest month (with the highest average high temperature) is August (32.8°C).
The month with the lowest average high temperature is January (24.7°C).

  • The average low temperature in August: 25.2°C

Months with the highest average low temperature are July and August (25.2°C).
The coldest month (with the lowest average low temperature) is January (15.5°C).

  • The average humidity in August: 76.2%

The month with the highest relative humidity is September (77.8%).
The month with the lowest relative humidity is April (67.3%).

  • The average rainfall in August: 144mm

The wettest month (with the highest rainfall) is June (201mm).
The driest month (with the lowest rainfall) is December (43mm).

  • The average rainfall days in August: 18.9 days

The month with the highest number of rainy days is August (18.9 days).
The month with the lowest number of rainy days is April (6.4 days).

  • The average sea temperature in August: 30°C

The best month for swimming (with the highest average sea temperature) is August (30°C).
Coldest months (with the lowest average sea temperature) are January, February and March (24°C).

  • The average daylight in August: 13h

Months with the longest days are June and July (Average daylight: 14h).
Months with shortest days are January, February, November and December (Average daylight: 11h).

  • The average sunshine in August: 9.3h

The month with most sunshine is July (Average sunshine: 10h).
The month with least sunshine is December (Average sunshine: 7h).

  • The average UV index in August: 11

Months with the highest UV index are April, May, June, July and August (UV index 11).
The month with the lowest UV index is December (UV index 5).

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