May weather in Sour Lake, TX
The average temperature in Sour Lake in May is 75.8°F (66.8°F–84.7°F). Average precipitation: 5.06 inches.
May is a spring month in Sour Lake, and is warmer than the annual average of 68.9°F. Daily temperatures swing about 17.9°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 13h 31m. For travel, May is a wet month.
Avg High
84.7°F
Avg Low
66.8°F
Precipitation
5.06 in
Daylight
13h 31m
May records in Sour Lake
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 93.0°F (1955) | 46.0°F (1996) | 2.50 in (2016) |
| May 2 | 91.0°F (1955) | 51.1°F (1988) | 2.28 in (1993) |
| May 3 | 90.0°F (2002) | 46.0°F (2013) | 1.20 in (1956) |
| May 4 | 93.0°F (1952) | 43.0°F (1954) | 2.11 in (1987) |
| May 5 | 91.9°F (1952) | 48.0°F (1954) | 1.98 in (2000) |
| May 6 | 91.9°F (1952) | 46.0°F (2013) | 1.81 in (2006) |
| May 7 | 90.0°F (1952) | 46.0°F (1992) | 0.98 in (1982) |
| May 8 | 91.9°F (1998) | 46.9°F (1992) | 1.45 in (1984) |
| May 9 | 91.0°F (1956) | 46.9°F (1984) | 1.71 in (2023) |
| May 10 | 91.9°F (1998) | 48.0°F (1961) | 4.11 in (2019) |
| May 11 | 91.0°F (1958) | 48.9°F (1981) | 2.65 in (1959) |
| May 12 | 96.1°F (1986) | 48.0°F (1960) | 2.00 in (2019) |
| May 13 | 97.0°F (1956) | 48.0°F (1960) | 2.22 in (2015) |
| May 14 | 91.9°F (2007) | 51.1°F (1954) | 3.44 in (1982) |
| May 15 | 91.0°F (1955) | 46.9°F (2014) | 2.77 in (1991) |
| May 16 | 93.0°F (2018) | 55.0°F (1983) | 2.33 in (1994) |
| May 17 | 93.9°F (2018) | 55.0°F (2011) | 3.74 in (1980) |
| May 18 | 93.9°F (2018) | 53.1°F (2009) | 2.98 in (2021) |
| May 19 | 93.9°F (1998) | 50.0°F (2002) | 2.55 in (1989) |
| May 20 | 93.0°F (1956) | 51.1°F (1981) | 5.01 in (1984) |
| May 21 | 91.9°F (1956) | 54.0°F (1981) | 2.90 in (1983) |
| May 22 | 96.1°F (2005) | 55.9°F (1954) | 1.86 in (2015) |
| May 23 | 98.1°F (2005) | 54.0°F (2001) | 1.45 in (1985) |
| May 24 | 93.9°F (1961) | 57.9°F (2017) | 1.70 in (2018) |
| May 25 | 91.0°F (2005) | 57.0°F (1979) | 1.49 in (2022) |
| May 26 | 93.0°F (1958) | 55.9°F (1979) | 3.73 in (2015) |
| May 27 | 96.1°F (1958) | 50.0°F (1961) | 1.80 in (2025) |
| May 28 | 97.0°F (2024) | 52.0°F (1961) | 2.44 in (2020) |
| May 29 | 96.1°F (1998) | 60.1°F (1992) | 6.02 in (2006) |
| May 30 | 97.0°F (1963) | 48.9°F (1984) | 1.91 in (1979) |
| May 31 | 98.1°F (1998) | 51.1°F (1984) | 1.66 in (2019) |