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

August weather forecast and climate
Siesta Key, FL

Ocean temperature

With an average ocean temperature of 86.7°F (30.4°C), August is the month with the warmest seawater in Siesta Key, Florida.
Note: The surface water temperatures above 86°F (30°C) are arguably considered as unpleasant for swimming, and any intense water activity, as the refreshing effect of water is missing.

Daylight

The average length of the day in August is 13.1h.

When is the ocean warmest in Siesta Key?

The month with the warmest seawater is August, with an average ocean temperature of 86.7°F (30.4°C).

What is the ocean temperature in August in Siesta Key?

In August, the average ocean temperature in Siesta Key, Florida, is 86.7°F (30.4°C). The water temperature above 86°F (30°C) is arguably regarded as unpleasant. The primary purpose of entering the water - cooling down from sunshine and high temperatures - is lost.

How many hours of daylight does Siesta Key have in August?

In Siesta Key, Florida, the average length of the day in August is 13.1h.
Average sea temperature in August - Siesta Key, FL
  • Average sea temperature in August: 86.7°F

The best month for swimming (with the highest average sea temperature) is August (86.7°F).
The coldest month (with the lowest average sea temperature) is January (64.1°F).

Average daylight in August - Siesta Key, FL
  • Average daylight in August: 13.1h

The month with the longest days is June (Average daylight: 13.8h).
The month with shortest days is December (Average daylight: 10.4h).