World Resorts USA Miami Beach Weather

Miami Beach sea water temperature

Current sea water temperature:
+78.4°F
Minimum sea water temperature in December: 80.8°F
Maximum sea water temperature in December: 73.6°F
Average sea water temperature in December: 77.6°F

Sea water temperature for the last 10 days:

December 14 78.4°F December 9 79.3°F
December 13 78.4°F December 8 78.1°F
December 12 78.8°F December 7 77.7°F
December 11 78.6°F December 6 78.3°F
December 10 78.8°F December 5 76.5°F

When is the warmest sea in Miami Beach?

Based on the data about daily sea water temperature for the last three years the warmest sea in Miami Beach was noticed in August, July and September.

Monthly Sea Temperatures in Miami Beach, °F

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.

Sea water temperature in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 86.0°F. The highest and lowest sea temperatures during the month were 87.4°F and 83.8°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 86.2°F. The highest and lowest sea temperatures during the month were 87.3°F and 85.1°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 76.2 °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
+72°F
S 12 mph
Feels like: +73°F
Precip.: 100%
Places in USA:
Name
°F
+21°F
+75°F
+75°F
+63°F
+66°F
+73°F
+72°F
+70°F
+23°F
+61°F
+48°F
+66°F
+64°F
+43°F
+10°F
24 Hours Forecast
Miami Beach
Local time: 21:32
December 15, monday
0000
73°F
S
14 mph
0300
72°F
SW
18 mph
0600
70°F
SW
19 mph
0900
70°F
SW
28 mph
1200
73°F
SW
26 mph
1500
73°F
SW
23 mph
1800
73°F
SW
22 mph
2100
72°F
SW
22 mph
Units of measurement: °C / °F