Get the monthly weather forecast for Miami, FL, including daily high/low, historical averages, to help you plan ahead.

That heat will be going up to a maximum of 31°C on average, with lows reaching 24°C meaning there is not a lot of respite.

On average, Miami experiences daytime temperatures of around 28°C in August, rising to 31°C in the hottest part of the day. In the evenings the temperature dips ...

There is a 36% chance of a perfect sunny day and a 64% chance of seeing some clouds, with on average 92mm of rainfall this month.

In Miami during August average daily high temperatures are level around 89°F and it is overcast or mostly cloudy about 65% of the time.

Get the monthly weather forecast for Miami Beach, FL, including daily high/low, historical averages, to help you plan ahead.

Daytime temperatures usually reach 31°C in Miami in August with very high heat and humidity, falling to 25°C at night.

Typically every August day at Miami has a temperature of at least 80 °F (27 °C). Temperatures above 100 °F (38 °C) are not expected here this month.

In Miami Beach during August average daily high temperatures are level around 89°F and it is overcast or mostly cloudy about 65% of the time.