May weather in Sun Valley, TX
The average temperature in Sun Valley in May is 72.7°F (62.7°F–82.7°F). Average precipitation: 5.63 inches.
May is a spring month in Sun Valley, and is warmer than the annual average of 65°F. Daily temperatures swing about 20°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 13h 45m. For travel, May is a wet month.
Avg High
82.7°F
Avg Low
62.7°F
Precipitation
5.63 in
Daylight
13h 45m
May records in Sun Valley
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 93.0°F (1929) | 37.9°F (1903) | 2.26 in (2025) |
| May 2 | 93.9°F (1943) | 37.9°F (1909) | 3.80 in (1984) |
| May 3 | 93.0°F (1920) | 37.9°F (2013) | 3.30 in (1990) |
| May 4 | 93.0°F (1947) | 36.0°F (1954) | 3.25 in (1979) |
| May 5 | 95.0°F (1906) | 39.0°F (1954) | 1.93 in (1969) |
| May 6 | 93.0°F (1922) | 44.1°F (1944) | 2.73 in (1976) |
| May 7 | 91.9°F (1909) | 44.1°F (1906) | 3.13 in (1969) |
| May 8 | 91.9°F (2003) | 42.1°F (1938) | 1.70 in (1995) |
| May 9 | 93.0°F (2022) | 41.0°F (1923) | 5.22 in (2014) |
| May 10 | 93.0°F (2011) | 37.0°F (1900) | 3.84 in (2016) |
| May 11 | 91.9°F (1923) | 39.9°F (1900) | 2.07 in (1948) |
| May 12 | 96.1°F (1902) | 42.1°F (1900) | 4.54 in (1920) |
| May 13 | 93.9°F (1915) | 39.0°F (1900) | 6.91 in (1982) |
| May 14 | 93.9°F (1915) | 41.0°F (1900) | 3.19 in (1933) |
| May 15 | 97.0°F (2025) | 41.0°F (1907) | 1.80 in (1930) |
| May 16 | 93.9°F (2022) | 39.0°F (1900) | 2.88 in (1980) |
| May 17 | 93.9°F (1988) | 30.0°F (1900) | 2.77 in (1948) |
| May 18 | 96.1°F (1988) | 30.0°F (1900) | 2.05 in (1952) |
| May 19 | 93.9°F (1998) | 46.9°F (1995) | 3.27 in (2000) |
| May 20 | 98.1°F (2006) | 46.0°F (1981) | 1.56 in (1911) |
| May 21 | 98.1°F (2006) | 50.0°F (1919) | 2.25 in (1940) |
| May 22 | 96.1°F (2005) | 48.0°F (1945) | 2.31 in (1957) |
| May 23 | 98.1°F (2005) | 46.0°F (1917) | 2.21 in (2024) |
| May 24 | 96.1°F (2005) | 48.9°F (1917) | 1.86 in (1982) |
| May 25 | 95.0°F (1912) | 50.0°F (1979) | 2.89 in (2015) |
| May 26 | 97.0°F (1920) | 48.0°F (1925) | 3.12 in (1974) |
| May 27 | 96.1°F (1922) | 48.9°F (1925) | 2.09 in (1917) |
| May 28 | 98.1°F (1927) | 51.1°F (1907) | 1.95 in (2004) |
| May 29 | 96.1°F (1934) | 46.9°F (1947) | 1.83 in (1962) |
| May 30 | 99.0°F (1998) | 46.9°F (1947) | 3.18 in (1964) |
| May 31 | 100.0°F (1998) | 48.0°F (1903) | 3.10 in (2001) |