World Resorts USA South Padre Island Weather

South Padre Island sea water temperature

Current sea water temperature:
+70.3°F
Minimum sea water temperature in December: 76.5°F
Maximum sea water temperature in December: 61.5°F
Average sea water temperature in December: 69.8°F

Sea water temperature for the last 10 days:

December 16 70.3°F December 11 70.0°F
December 15 70.5°F December 10 70.0°F
December 14 70.9°F December 9 69.8°F
December 13 70.5°F December 8 72.0°F
December 12 69.4°F December 7 73.8°F

When is the warmest sea in South Padre Island?

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

Monthly Sea Temperatures in South Padre Island, °F

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September 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 August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 84.5°F. The highest and lowest sea temperatures during the month were 86.5°F and 82.9°F.

Sea water temperature in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 82.5°F. The highest and lowest sea temperatures during the month were 84.0°F and 81.3°F.

Best time for vacation in South Padre Island

Sunniest months:
August 17 days
October 15 days
July 14 days
Warmest months:
August 90.6 °F
July 89.6 °F
June 89.1 °F
Warmest sea temp:
September 85.4 °F
August 84.7 °F
July 83.1 °F
Coldest months:
January 67.9 °F
February 68.0 °F
December 71.8 °F
Rainiest months:
May 3 days
July 3 days
September 2 days
Windiest months:
April 14.1 mph
March 13.8 mph
May 13.7 mph

South Padre Island on a weather map

South Padre Island
+72°F
NW 17 mph
Feels like: +72°F
Precip.: 0%
Places in USA:
Name
°F
+48°F
+77°F
+77°F
+70°F
+70°F
+73°F
+77°F
+73°F
+37°F
+66°F
+52°F
+73°F
+75°F
+63°F
+36°F
24 Hours Forecast
South Padre Island
Local time: 14:33
December 16, tuesday
1500
72°F
NW
17 mph
1800
72°F
NW
16 mph
2100
72°F
NW
16 mph
December 17, wednesday
0000
72°F
NW
15 mph
0300
72°F
NW
13 mph
0600
72°F
NW
13 mph
0900
68°F
NW
13 mph
1200
70°F
NW
13 mph
Units of measurement: °C / °F