March weather in Southlake, TX
The average temperature in Southlake in March is 56.6°F (45.4°F–67.7°F). Average precipitation: 3.59 inches.
March is a spring month in Southlake, and is cooler than the annual average of 65.4°F. Daily temperatures swing about 22.3°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 11h 47m. For travel, March is a comfortable month to visit.
Avg High
67.7°F
Avg Low
45.4°F
Precipitation
3.59 in
Daylight
11h 47m
March records in Southlake
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| March 1 | 86.0°F (1908) | 0.0°F (2004) | 2.86 in (2018) |
| March 2 | 93.9°F (2006) | 0.0°F (2004) | 0.55 in (2015) |
| March 3 | 95.0°F (1902) | 12.9°F (1980) | 1.24 in (2008) |
| March 4 | 86.0°F (1967) | 12.9°F (2014) | 1.93 in (1981) |
| March 5 | 91.0°F (1909) | 21.0°F (1960) | 0.94 in (2004) |
| March 6 | 96.1°F (1991) | 17.1°F (1989) | 1.22 in (1967) |
| March 7 | 91.0°F (1911) | 18.0°F (1989) | 1.46 in (1990) |
| March 8 | 95.0°F (1911) | 19.9°F (1995) | 2.04 in (2024) |
| March 9 | 99.0°F (1911) | 18.0°F (1996) | 1.22 in (1964) |
| March 10 | 98.1°F (1911) | 23.0°F (1998) | 1.76 in (2013) |
| March 11 | 93.0°F (1954) | 24.1°F (1998) | 4.50 in (1902) |
| March 12 | 91.9°F (1955) | 23.0°F (1998) | 2.00 in (2009) |
| March 13 | 93.0°F (1916) | 25.0°F (1998) | 3.04 in (1995) |
| March 14 | 91.9°F (1971) | 25.0°F (1975) | 3.78 in (2009) |
| March 15 | 89.1°F (1959) | 25.0°F (1975) | 0.77 in (1905) |
| March 16 | 90.0°F (1908) | 26.1°F (1913) | 2.00 in (1998) |
| March 17 | 93.9°F (1908) | 24.1°F (2022) | 1.75 in (1961) |
| March 18 | 93.0°F (1907) | 30.0°F (1965) | 0.77 in (2020) |
| March 19 | 96.1°F (1907) | 24.1°F (1965) | 2.63 in (2008) |
| March 20 | 89.1°F (1916) | 19.9°F (1965) | 4.48 in (2012) |
| March 21 | 100.0°F (1916) | 23.0°F (1965) | 0.99 in (1957) |
| March 22 | 91.0°F (1916) | 26.1°F (2002) | 1.30 in (1912) |
| March 23 | 93.9°F (1995) | 28.0°F (1968) | 0.73 in (1902) |
| March 24 | 90.0°F (1907) | 30.0°F (1974) | 1.36 in (2001) |
| March 25 | 89.1°F (1907) | 28.9°F (1974) | 2.48 in (1904) |
| March 26 | 91.0°F (1909) | 21.9°F (1955) | 1.98 in (1995) |
| March 27 | 87.1°F (1907) | 23.0°F (1955) | 4.87 in (1977) |
| March 28 | 96.1°F (1956) | 28.9°F (1955) | 2.53 in (1989) |
| March 29 | 86.0°F (1954) | 28.0°F (1987) | 1.75 in (1901) |
| March 30 | 91.9°F (1974) | 27.0°F (1987) | 2.00 in (1914) |
| March 31 | 91.9°F (1913) | 27.0°F (1987) | 1.87 in (2007) |