South Padre Island, TX weather in May
South Padre Island is warm, oppressively humid and mostly dry in May: highs average 84°F and nights drop to about 74°F. Expect about 5 wet days.
- Normal high
- 84°F
- Normal low
- 74°F
- Wet days
- 5
- 2.2 in total
- Muggy days
- 28
- dew point 65°F+
How May changes from start to finish
| May 1 | May 31 | |
|---|---|---|
| Normal high | 82°F | 87°F |
| Normal low | 71°F | 77°F |
| Chance of a wet day | 14% | 16% |
| Sunrise / sunset | 6:51 am / 8:00 pm | 6:36 am / 8:16 pm |
| Daylight | 13.2 h | 13.7 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Central Time).
A typical May day
- 6 am74°Fdew point 71°F
- 9 am82°Fdew point 71°F
- Noon87°Fdew point 70°F
- 3 pm87°Fdew point 70°F
- 6 pm82°Fdew point 71°F
- 9 pm77°Fdew point 72°F
NOAA hourly normals (local standard time) from Brownsville (20 mi away); average wind 12 mph.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F0 of 31
- Beach dayshigh 80-95°F, under 0.05 in of rain, afternoon wind under 15 mph10 of 31
- Hot dayshigh 90°F or more1 of 31
- Muggy daysdaily mean dew point 65°F or more28 of 31
- Wet daysat least 0.01 in of rain or melted snow5 of 31
- Notable rainat least 0.10 in2 of 31
- Freezing nightslow 32°F or below0 of 31
Average days per May, counted from daily records for each year 1991-2020.
Rain in May
Normal precipitation is 2.2 in; a dry May brings about 0.7 in and a wet one about 3.0 in (25th and 75th percentiles). About 1 day brings half an inch or more, and about 1 an inch or more.
How May varies from year to year
- Warmest May, 1991-20202003: average high 86°F
- Coolest May1992: average high 80°F
- Wettest May2015: 9.7 in
- Driest May1998: no measurable precipitation
- Highest reading98°F (May 12, 1997)
- Lowest reading54°F (May 3, 2013)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
May compared with April and June
| April | May | June | |
|---|---|---|---|
| Normal high | 79°F | 84°F | 88°F |
| Normal low | 69°F | 74°F | 78°F |
| Wet days | 5 | 5 | 6 |
| Comfortable days | 4 | 0 | 0 |
| Daylight | 12.8 h | 13.4 h | 13.7 h |
Highs change by +5°F from April and +4°F into June.
Nearby alternatives in May
- Warmer: Brownsville, TX25 mi · high 90°F · 5 wet days
How South Padre Island ranks in May
- Normal high75th warmest of 378 cities; 25th of 38 in Texas
- Wet days81st driest of 378
- Comfortable days334th most of 339
Heating and cooling
May has 0 heating degree days and 440 cooling degree days (base 65°F), 10% of the year's total heating and cooling demand.
Questions
How hot is South Padre Island in May?
The normal high is 84°F and the normal low is 74°F. From 1991 to 2020 the hottest May reading was 98°F (May 12, 1997).
Does it rain a lot in South Padre Island in May?
About 5 days in May have at least 0.01 in of precipitation, and the normal total is 2.2 in. The wettest May in 1991-2020 was in 2015 (9.7 in); the driest was in 1998, with no measurable precipitation.
Is May a good time to visit South Padre Island?
May ranks 7th of 12 months on our comfort score for South Padre Island (54 out of 100). It has almost no comfortable days and about 1 day at 90°F or hotter. The best months are January, February and December.
Where the numbers come from
- Temperature: S Padre Is (USC00418487), 4.1 mi ESE of the city center, 5 ft . NOAA normals and daily records, 1991-2020.
- Rain and humidity and wind by hour: Brownsville (USW00012919), 20 mi SW of the city center, 23 ft . NOAA normals and daily records, 1991-2020.
- Snowfall and snow depth: Port Isabel (USC00417179), 9.0 mi W of the city center, 17 ft . NOAA normals and daily records, 1991-2020.
- Frost dates: Port Isabel Cameron Airport (USW00012957), 12 mi WNW of the city center, 19 ft . NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Brownsville/S Padre Island Intl Airport (722500-12919), 21 mi SW of the city center, 19 ft . Hourly observations, 1991-2020.
- Not available for this location: cloud cover (no station close enough or similar enough in elevation).