Key Largo
Florida, USA
Long-term weather forecast
Long-term weather forecast

August weather forecast and Climate
Key Largo, FL

A clear seascape and cloudy evening sky in Key Largo, Florida
A clear seascape and cloudy evening sky in Key Largo, Florida
  • The average high temperature in August: 32°C

Warmest months (with the highest average high temperature) are July, August and September (32°C).
The month with the lowest average high temperature is January (24°C).

  • The average low temperature in August: 23°C

Months with the highest average low temperature are July, August and September (23°C).
Coldest months (with the lowest average low temperature) are January and February (14°C).

  • The average rainfall in August: 166mm

The wettest month (with the highest rainfall) is June (253mm).
The driest month (with the lowest rainfall) is December (36mm).

  • The average rainfall days in August: 17 days

Months with the highest number of rainy days are August and September (17 days).
The month with the lowest number of rainy days is April (5 days).

  • The average sea temperature in August: 30.4°C

The best month for swimming (with the highest average sea temperature) is August (30.4°C).
The coldest month (with the lowest average sea temperature) is February (22.6°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: 9h

Months with most sunshine are April, May, June and July (Average sunshine: 10h).
Months with least sunshine are January, November and December (Average sunshine: 7).

  • 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).