May weather in Port Aransas, TX
The average temperature in Port Aransas in May is 77.3°F (73.2°F–81.4°F). Average precipitation: 3.99 inches.
May is a spring month in Port Aransas, and is warmer than the annual average of 71.9°F. Daily temperatures swing about 8.2°F between overnight low and afternoon high. Expect about 5 days with precipitation. Daylight averages about 13h 23m. For travel, May is a comfortable month to visit.
Avg High
81.4°F
Avg Low
73.2°F
Precipitation
3.99 in
Daylight
13h 23m
May records in Port Aransas
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 84.9°F (2003) | 59.0°F (2004) | 1.58 in (2004) |
| May 2 | 86.0°F (2006) | 55.0°F (2013) | 0.46 in (2000) |
| May 3 | 88.0°F (2007) | 53.1°F (2013) | 4.88 in (1992) |
| May 4 | 88.0°F (2002) | 59.0°F (2013) | 0.60 in (1992) |
| May 5 | 91.0°F (1999) | 57.9°F (1990) | 2.00 in (1993) |
| May 6 | 89.1°F (2023) | 60.1°F (1990) | 0.23 in (1987) |
| May 7 | 86.0°F (2003) | 64.0°F (2013) | 0.25 in (2004) |
| May 8 | 86.0°F (2006) | 64.9°F (2004) | 6.51 in (2004) |
| May 9 | 95.0°F (1998) | 66.9°F (1997) | 1.21 in (1997) |
| May 10 | 88.0°F (2002) | 64.0°F (1997) | 3.42 in (2012) |
| May 11 | 88.0°F (2009) | 64.9°F (1987) | 0.54 in (2015) |
| May 12 | 90.0°F (2017) | 64.9°F (1999) | 5.62 in (2015) |
| May 13 | 88.0°F (2007) | 64.9°F (1997) | 2.32 in (2014) |
| May 14 | 88.0°F (2009) | 60.1°F (2017) | 0.28 in (2023) |
| May 15 | 89.1°F (2023) | 64.9°F (2014) | 8.66 in (2004) |
| May 16 | 90.0°F (2007) | 66.0°F (2006) | 1.92 in (2008) |
| May 17 | 87.1°F (2003) | 66.9°F (1991) | 4.03 in (2021) |
| May 18 | 90.0°F (2008) | 66.0°F (2002) | 1.88 in (1999) |
| May 19 | 87.1°F (2000) | 63.0°F (1986) | 1.15 in (2016) |
| May 20 | 89.1°F (2003) | 64.0°F (1986) | 2.83 in (2021) |
| May 21 | 99.0°F (2017) | 57.0°F (2023) | 1.38 in (2015) |
| May 22 | 88.0°F (1988) | 66.9°F (1988) | 1.10 in (2018) |
| May 23 | 88.0°F (2008) | 66.9°F (2001) | 2.17 in (1993) |
| May 24 | 91.9°F (2009) | 63.0°F (2017) | 1.25 in (2015) |
| May 25 | 89.1°F (2008) | 68.0°F (2007) | 1.17 in (2007) |
| May 26 | 88.0°F (1999) | 70.0°F (1993) | 1.39 in (2007) |
| May 27 | 89.1°F (1989) | 71.1°F (1986) | 1.17 in (2009) |
| May 28 | 91.0°F (2010) | 70.0°F (1999) | 1.19 in (1999) |
| May 29 | 90.0°F (2010) | 64.0°F (1992) | 3.18 in (2017) |
| May 30 | 90.0°F (2014) | 66.0°F (1992) | 0.67 in (1986) |
| May 31 | 89.1°F (1990) | 71.1°F (2015) | 3.16 in (1992) |