March weather in St. George, UT
The average temperature in St. George in March is 53.4°F (39.0°F–67.8°F). Average precipitation: 1.02 inches. Average snowfall is 0.2 inches.
March is a spring month in St. George, and is cooler than the annual average of 62.7°F. Daily temperatures swing about 28.8°F between overnight low and afternoon high. Expect about 5 days with precipitation. Daylight averages about 11h 45m. For travel, March is a comfortable month to visit.
Avg High
67.8°F
Avg Low
39.0°F
Precipitation
1.02 in
Snow
0.2 in
March records in St. George
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| March 1 | 82.9°F (1986) | 12.0°F (1903) | 0.82 in (1995) |
| March 2 | 82.9°F (1921) | 14.0°F (1903) | 1.27 in (1935) |
| March 3 | 84.9°F (1921) | 16.0°F (1966) | 1.23 in (1938) |
| March 4 | 82.0°F (1986) | 14.0°F (1894) | 0.58 in (1943) |
| March 5 | 82.9°F (1910) | 15.1°F (1896) | 0.51 in (1978) |
| March 6 | 82.9°F (1910) | 17.1°F (1896) | 1.33 in (1995) |
| March 7 | 84.0°F (1899) | 17.1°F (1903) | 0.46 in (1973) |
| March 8 | 86.0°F (1904) | 19.0°F (1897) | 0.34 in (1968) |
| March 9 | 87.1°F (1972) | 18.0°F (1897) | 0.51 in (1958) |
| March 10 | 88.0°F (1982) | 19.0°F (1897) | 0.86 in (1912) |
| March 11 | 89.1°F (1982) | 15.1°F (1899) | 2.00 in (2006) |
| March 12 | 86.0°F (1900) | 16.0°F (1897) | 1.50 in (2006) |
| March 13 | 86.0°F (1900) | 16.0°F (1897) | 0.85 in (2020) |
| March 14 | 89.1°F (1982) | 16.0°F (1899) | 0.87 in (2020) |
| March 15 | 87.1°F (1934) | 18.0°F (1895) | 0.28 in (1982) |
| March 16 | 84.9°F (1934) | 21.9°F (1917) | 0.85 in (2023) |
| March 17 | 84.9°F (1972) | 19.9°F (1896) | 1.27 in (1958) |
| March 18 | 90.0°F (2026) | 19.9°F (1898) | 0.98 in (1983) |
| March 19 | 91.9°F (2026) | 18.0°F (1898) | 0.64 in (1985) |
| March 20 | 90.0°F (2004) | 17.1°F (1897) | 0.45 in (2005) |
| March 21 | 91.0°F (2004) | 15.1°F (1897) | 0.57 in (2023) |
| March 22 | 91.0°F (2026) | 12.0°F (1897) | 0.88 in (1978) |
| March 23 | 93.0°F (2026) | 12.9°F (1897) | 0.42 in (1992) |
| March 24 | 91.0°F (2026) | 21.0°F (1904) | 0.58 in (1983) |
| March 25 | 93.0°F (2026) | 19.0°F (1901) | 0.72 in (1910) |
| March 26 | 93.0°F (2026) | 19.0°F (1898) | 0.47 in (1975) |
| March 27 | 91.9°F (2026) | 18.0°F (1898) | 0.61 in (1993) |
| March 28 | 91.9°F (2026) | 21.9°F (1898) | 0.80 in (1979) |
| March 29 | 89.1°F (2026) | 19.9°F (1898) | 0.36 in (2006) |
| March 30 | 87.1°F (1934) | 12.0°F (1897) | 0.72 in (1953) |
| March 31 | 88.0°F (1966) | 15.1°F (1896) | 0.95 in (1978) |