World Resorts USA Miami Beach Weather

Miami Beach Sea Temperature in August

Average sea water temperature in August:
+86.5°F
Minimum sea water temperature in August: 88.9°F
Maximum sea water temperature in August: 83.3°F

Daily sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 87.9°F. The highest and lowest sea temperatures during the month were 88.7°F and 86.9°F.

Monthly sea water temperature in Miami Beach, °F

Which USA resorts have warmest sea in August?

Place name August 2025 August 2024
Sanibel Island 88.8°F 87.3°F
Everglades 88.8°F 87.0°F
Islamorada 88.8°F 87.3°F
Key West 88.8°F 87.8°F
Key Largo 88.7°F 87.3°F
Marco Island 88.7°F 87.1°F
Naples 88.7°F 87.0°F
St. Petersburg 88.7°F 86.9°F
Tampa 88.6°F 86.4°F
Sarasota 88.6°F 87.2°F
Siesta Key 88.6°F 87.3°F
Clearwater Beach 88.5°F 87.0°F
Miami 88.1°F 86.4°F
Miami Beach 87.9°F 86.5°F
Galveston 87.9°F 88.3°F
Galveston Island 87.8°F 88.5°F
Houston 87.8°F 88.0°F
New Orleans 87.4°F 88.1°F
Fort Lauderdale 87.2°F 85.8°F
Corpus Christi 87.0°F 87.9°F

Best time for vacation in Miami Beach

Sunniest months:
March 13 days
April 13 days
May 12 days
Warmest months:
August 88.5 °F
July 87.9 °F
September 86.8 °F
Warmest sea temp:
August 86.5 °F
July 85.8 °F
September 85.5 °F
Coldest months:
January 72.9 °F
February 75.4 °F
December 76.3 °F
Rainiest months:
July 10 days
August 9 days
June 8 days
Windiest months:
November 13.1 mph
March 12.8 mph
October 12.6 mph

Miami Beach on a weather map

Miami Beach
+70°F
S 6 mph
Feels like: +70°F
Precip.: 0%
Places in USA:
Name
°F
+36°F
+72°F
+72°F
+46°F
+46°F
+64°F
+70°F
+66°F
+19°F
+48°F
+45°F
+59°F
+59°F
+70°F
+48°F
24 Hours Forecast
Miami Beach
Local time: 08:35
December 28, sunday
0900
70°F
S
6 mph
1200
75°F
SW
4 mph
1500
75°F
W
5 mph
1800
75°F
W
6 mph
2100
73°F
W
6 mph
December 29, monday
0000
73°F
NW
3 mph
0300
72°F
E
3 mph
0600
70°F
SE
6 mph
Units of measurement: °C / °F