Measurements:
°C
°F
Miami Beach
68°F
S 5 mph
Feels like: 68°F
Precip: 0%
World Resorts USA Miami Beach Weather

Miami Beach Sea Water Temperature

Current Sea Water Temperature:
+76.8°F
Maximum Sea Water Temperature in January: 82.6°F
Minimum Sea Water Temperature in January: 72.8°F
Average water temperature in January: 78.2°F

Sea Water Temperature for the Last 10 Days:

January 07 76.8°F January 02 77.4°F
January 06 75.8°F January 01 79.2°F
January 05 74.0°F December 31 79.2°F
January 04 76.0°F December 30 78.2°F
January 03 76.0°F December 29 78.6°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 +36
Hawaii +76
Honolulu +76
Houston +70
Las Vegas +40
Los Angeles +54
Maui +68
Miami +66
Miami Beach +68
New York +40
San Diego +52
San Francisco +48
Sarasota +64
Tampa +62
Washington +42
24 Hours Weather Forecast
Miami Beach
Local time: 10:22
07 jan, wednesday
1200 76°F
S
4 mph
1500 78°F
W
5 mph
1800 78°F
W
9 mph
2100 74°F
W
9 mph
08 jan, thursday
0000 74°F
NW
9 mph
0300 70°F
NW
6 mph
0600 68°F
W
3 mph
0900 70°F
W
7 mph