May weather in Rio Hondo, TX
The average temperature in Rio Hondo in May is 81.2°F (71.0°F–91.4°F). Average precipitation: 2.50 inches.
May is a spring month in Rio Hondo, and is warmer than the annual average of 75°F. Daily temperatures swing about 20.4°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 13h 17m. For travel, May is hot.
Avg High
91.4°F
Avg Low
71.0°F
Precipitation
2.50 in
Daylight
13h 17m
May records in Rio Hondo
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 102.0°F (1953) | 55.0°F (2017) | 0.78 in (2004) |
| May 2 | 98.1°F (2002) | 55.0°F (2004) | 0.68 in (1962) |
| May 3 | 100.0°F (2002) | 50.0°F (2004) | 0.27 in (2007) |
| May 4 | 102.9°F (1999) | 51.1°F (1954) | 0.12 in (2017) |
| May 5 | 102.9°F (1999) | 55.0°F (2017) | 0.27 in (1958) |
| May 6 | 96.1°F (1998) | 57.0°F (2013) | 0.02 in (1957) |
| May 7 | 100.0°F (1998) | 57.0°F (1960) | 0.26 in (2020) |
| May 8 | 99.0°F (2003) | 52.0°F (1960) | 1.36 in (2025) |
| May 9 | 107.1°F (2024) | 60.1°F (1961) | 1.67 in (2004) |
| May 10 | 102.0°F (2006) | 57.9°F (1961) | 0.15 in (2019) |
| May 11 | 97.0°F (1959) | 55.0°F (1961) | 1.58 in (2012) |
| May 12 | 97.0°F (2017) | 57.9°F (1960) | 1.12 in (2015) |
| May 13 | 97.0°F (2011) | 55.9°F (1960) | 2.80 in (2023) |
| May 14 | 95.0°F (2017) | 59.0°F (2014) | 0.90 in (2006) |
| May 15 | 96.1°F (2003) | 54.0°F (2014) | 1.79 in (2021) |
| May 16 | 97.0°F (2003) | 52.0°F (2014) | 1.85 in (2023) |
| May 17 | 97.0°F (2002) | 57.9°F (2014) | 1.42 in (1958) |
| May 18 | 96.1°F (1953) | 60.1°F (2009) | 2.70 in (1999) |
| May 19 | 98.1°F (2003) | 55.0°F (2009) | 2.95 in (2021) |
| May 20 | 100.9°F (2011) | 61.0°F (2002) | 1.83 in (1960) |
| May 21 | 100.0°F (2022) | 57.9°F (2009) | 0.30 in (2018) |
| May 22 | 98.1°F (2017) | 64.0°F (2009) | 0.02 in (2001) |
| May 23 | 98.1°F (2024) | 64.0°F (2001) | 1.53 in (1959) |
| May 24 | 100.0°F (2024) | 62.1°F (2017) | 4.46 in (2022) |
| May 25 | 100.0°F (2024) | 62.1°F (2017) | 6.73 in (2007) |
| May 26 | 99.0°F (2011) | 68.0°F (1999) | 0.56 in (1961) |
| May 27 | 100.0°F (2017) | 66.0°F (2010) | 1.72 in (1957) |
| May 28 | 100.9°F (2024) | 66.0°F (1997) | 2.05 in (2025) |
| May 29 | 100.0°F (2011) | 66.9°F (1997) | 1.87 in (2017) |
| May 30 | 98.1°F (2011) | 68.0°F (2002) | 0.79 in (2016) |
| May 31 | 100.9°F (2005) | 66.9°F (2023) | 0.29 in (2016) |