Average Ocean Water Temperatures at Miami Beach
The table below lists typical water temperatures for each month of the year in the ocean off Miami Beach in Florida.
The temperatures, given in both degrees Fahrenheit and degrees Celsius, are long-term averages.
The water at Miami Beach is warm enough for swimming all year round.
The ocean reaches its warmest point of the year from early July until mid August, when the temperature averages 86 degrees Fahrenheit (30 degrees Celsius).
The coolest month is January, when the temperature is usually around 71 °F (22 °C).
| Period | °F | °C |
|---|---|---|
| January | 71 | 22 |
| February | 73 | 23 |
| March | 75 | 24 |
| April 1-15 | 78 | 26 |
| April 16-30 | 78 | 26 |
| May 1-15 | 80 | 27 |
| May 16-31 | 81 | 27 |
| June 1-15 | 84 | 29 |
| June 16-30 | 85 | 29 |
| July 1-15 | 86 | 30 |
| July 16-31 | 86 | 30 |
| August 1-15 | 86 | 30 |
| August 16-31 | 84 | 29 |
| September 1-15 | 84 | 29 |
| September 16-30 | 83 | 28 |
| October 1-15 | 83 | 28 |
| October 16-31 | 79 | 26 |
| November | 76 | 24 |
| December | 73 | 23 |
| Annual Average | 79 | 26 |
Reference
National Oceanographic Data Center. NODC Coastal Water Temperature Guide (CWTG).