World Resorts USA South Padre Island Weather

South Padre Island weather in May

Weather in South Padre Island: May

Average day temperature: 85.3°F
Average night temperature: 76.6°F
Sea water temperature: 79.1°F
Number of sunny days: 8 days
Day length: 13.2 - 13.7 hours
Number of rainy days: 3 days
Precipitation totals: 0.9 in.

Air temperature in May, °F

Show year:
2025
2024
2023

The highest day temperature during May of 2025 was 84°F. At the same time the lowest night temperature was 70°F. Daily and nightly averages during May were 80.3°F and 77.6°F.

Sea water temperature in South Padre Island in May, °F

Show year:
2025
2024
2023

The average sea water temperature in May of 2025 was 80.0°F. The highest and lowest sea temperatures during the month were 83.1°F and 77.9°F.

Sunny, partly cloudy and cloudy days

Mostly all days in May are partly cloudy but sunny or cloudy days are also possible.

Precipitation total in May, in.

Precipitation total value in South Padre Island in May is 0.9 in. Other months of the year show relatively similar values.

Wind speed in May, mph

The average wind speed value in May is 13.7 mph It makes May one of the most windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in May is: 6.9.

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
+63°F
S 24 mph
Feels like: +63°F
Precip.: 0%
Places in USA:
Name
°F
+30°F
+77°F
+77°F
+45°F
+55°F
+70°F
+77°F
+70°F
+25°F
+57°F
+48°F
+63°F
+63°F
+46°F
+9°F
24 Hours Forecast
South Padre Island
Local time: 21:34
December 05, friday
0000
59°F
S
19 mph
0300
57°F
S
17 mph
0600
57°F
S
18 mph
0900
59°F
S
15 mph
1200
61°F
S
11 mph
1500
61°F
S
11 mph
1800
63°F
SW
9 mph
2100
64°F
SW
8 mph
Units of measurement: °C / °F