Measurements:
°C
°F
Miami Beach
90°F
E 8 mph
Feels like: 100°F
Precip: 0%
World Resorts USA Miami Beach Weather

Miami Beach Sea Water Temperature

Current Sea Water Temperature:
+87.8°F
Maximum Sea Water Temperature in May: 90.4°F
Minimum Sea Water Temperature in May: 80.6°F
Average water temperature in May: 84.7°F

Sea Water Temperature for the Last 10 Days:

May 14 87.8°F May 09 86.2°F
May 13 87.6°F May 08 84.8°F
May 12 87.8°F May 07 84.8°F
May 11 88.0°F May 06 83.6°F
May 10 87.0°F May 05 84.2°F

When is the Warmest Sea for Miami Beach?

According to our data for the last three years for Miami Beach the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Miami Beach was 92.1°F. The maximum and minimum values were 91.0°F and 93.0°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Miami Beach was 90.0°F. The maximum and minimum values were 87.6°F and 91.6°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Miami Beach was 90.2°F. The maximum and minimum values were 89.0°F and 91.4°F respectively.

Best Time to Visit Miami Beach
The most sunny months:
March 14 days
April 14 days
February 12 days
The most warm months:
August 92.8 °F
July 92.1 °F
September 90.9 °F
Warmest sea temperature:
August 90.5 °F
July 89.7 °F
September 89.5 °F
The most cold months:
January 75.4 °F
February 77.9 °F
December 79.1 °F
The most rainy months:
July 10 days
August 9 days
June 8 days
The most windy months:
November 13 mph
March 12 mph
April 12 mph

Miami Beach on the Weather Map

USA Resorts:
NAME
Boston +62
Chicago +52
Hawaii +76
Honolulu +76
Houston +78
Las Vegas +88
Los Angeles +66
Maui +70
Miami +94
Miami Beach +90
New York +68
San Diego +66
San Francisco +62
Sarasota +94
Tampa +94
24 Hours Weather Forecast
Miami Beach
Local time: 11:21
14 may, thursday
1200 90°F
E
8 mph
1500 92°F
N
8 mph
1800 92°F
SE
6 mph
2100 88°F
E
14 mph
15 may, friday
0000 86°F
E
12 mph
0300 82°F
E
11 mph
0600 80°F
E
11 mph
0900 82°F
E
7 mph