Measurements:
°C
°F
Miami Beach
70°F
SW 13 mph
Feels like: 68°F
Precip: 0%
World Resorts USA Miami Beach Weather

Miami Beach Sea Water Temperature

Current Sea Water Temperature:
+76.0°F
Maximum Sea Water Temperature in January: 82.6°F
Minimum Sea Water Temperature in January: 72.8°F
Average water temperature in January: 78.1°F

Sea Water Temperature for the Last 10 Days:

January 29 76.0°F January 24 75.4°F
January 28 77.0°F January 23 74.4°F
January 27 78.2°F January 22 74.2°F
January 26 77.6°F January 21 75.2°F
January 25 76.2°F January 20 75.6°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 13 days
April 13 days
May 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 75.5 °F
February 78.2 °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
October 12 mph

Miami Beach on the Weather Map

USA Resorts:
NAME
Chicago 0
Hawaii +74
Honolulu +74
Houston +38
Las Vegas +48
Los Angeles +56
Maui +68
Miami +64
Miami Beach +70
New York +12
San Diego +60
San Francisco +50
Sarasota +58
Tampa +58
Washington +12
24 Hours Weather Forecast
Miami Beach
Local time: 10:53
29 jan, thursday
1200 70°F
SW
13 mph
1500 74°F
SW
12 mph
1800 74°F
SW
12 mph
2100 72°F
W
9 mph
30 jan, friday
0000 70°F
W
14 mph
0300 70°F
W
12 mph
0600 70°F
W
11 mph
0900 70°F
W
12 mph