May weather in Grand Saline, TX
The average temperature in Grand Saline in May is 71.4°F (60.8°F–81.9°F). Average precipitation: 4.68 inches.
May is a spring month in Grand Saline, and is warmer than the annual average of 64.2°F. Daily temperatures swing about 21.1°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 13h 41m. For travel, May is a comfortable month to visit.
Avg High
81.9°F
Avg Low
60.8°F
Precipitation
4.68 in
Daylight
13h 41m
May records in Grand Saline
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 89.1°F (2019) | 35.1°F (2014) | 2.28 in (1974) |
| May 2 | 90.0°F (2006) | 36.0°F (2014) | 3.00 in (1956) |
| May 3 | 88.0°F (2006) | 36.0°F (2005) | 4.27 in (2009) |
| May 4 | 89.1°F (2006) | 35.1°F (2013) | 3.93 in (1979) |
| May 5 | 88.0°F (2007) | 39.9°F (2011) | 1.42 in (2024) |
| May 6 | 91.9°F (2010) | 39.9°F (2011) | 2.40 in (1950) |
| May 7 | 91.0°F (2007) | 41.0°F (2005) | 2.35 in (2025) |
| May 8 | 91.0°F (2012) | 42.1°F (2010) | 2.93 in (2019) |
| May 9 | 89.1°F (2011) | 39.0°F (2005) | 2.55 in (1981) |
| May 10 | 91.9°F (2011) | 39.0°F (2005) | 4.35 in (1968) |
| May 11 | 91.0°F (2005) | 41.0°F (2025) | 2.39 in (2021) |
| May 12 | 93.0°F (2010) | 43.0°F (2008) | 2.15 in (1978) |
| May 13 | 91.9°F (2010) | 44.1°F (2013) | 1.46 in (1953) |
| May 14 | 91.9°F (2010) | 45.0°F (2013) | 1.53 in (1953) |
| May 15 | 91.9°F (2010) | 42.1°F (2011) | 3.47 in (1994) |
| May 16 | 91.0°F (2007) | 43.0°F (2011) | 2.78 in (1953) |
| May 17 | 91.9°F (2010) | 44.1°F (2011) | 3.57 in (1989) |
| May 18 | 91.9°F (2010) | 44.1°F (2011) | 3.06 in (1989) |
| May 19 | 91.0°F (2006) | 48.0°F (2009) | 1.69 in (1952) |
| May 20 | 95.0°F (2006) | 48.9°F (2009) | 1.30 in (2016) |
| May 21 | 97.0°F (2005) | 51.1°F (2009) | 1.70 in (1975) |
| May 22 | 99.0°F (2005) | 55.0°F (2009) | 2.24 in (2013) |
| May 23 | 100.0°F (2005) | 50.0°F (2017) | 1.29 in (1957) |
| May 24 | 97.0°F (2005) | 52.0°F (2017) | 3.25 in (1952) |
| May 25 | 97.0°F (2010) | 53.1°F (2017) | 1.20 in (2020) |
| May 26 | 96.1°F (2010) | 53.1°F (2022) | 2.14 in (2025) |
| May 27 | 96.1°F (2010) | 50.0°F (2022) | 3.63 in (2015) |
| May 28 | 93.9°F (2006) | 48.9°F (2022) | 1.80 in (1965) |
| May 29 | 96.1°F (2011) | 55.9°F (2009) | 2.44 in (2019) |
| May 30 | 97.0°F (2010) | 54.0°F (2009) | 2.87 in (1950) |
| May 31 | 99.0°F (2010) | 54.0°F (2009) | 4.00 in (1967) |