March weather in Webster Groves, MO
The average temperature in Webster Groves in March is 47.0°F (37.8°F–56.3°F). Average precipitation: 3.61 inches.
March is a spring month in Webster Groves, and is cooler than the annual average of 58°F. Daily temperatures swing about 18.5°F between overnight low and afternoon high. Daylight averages about 11h 45m. For travel, March is cool.
Avg High
56.3°F
Avg Low
37.8°F
Precipitation
3.61 in
Daylight
11h 45m
March records in Webster Groves
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| March 1 | 81.0°F (1972) | 17.1°F (1978) | 0.45 in (2017) |
| March 2 | 78.1°F (1976) | 18.0°F (1995) | 0.60 in (2002) |
| March 3 | 84.0°F (1974) | 3.0°F (2014) | 2.35 in (2023) |
| March 4 | 78.1°F (1992) | 10.9°F (1978) | 1.03 in (1976) |
| March 5 | 78.1°F (1974) | 1.9°F (1978) | 1.43 in (2026) |
| March 6 | 82.9°F (1974) | 6.1°F (1978) | 0.92 in (1989) |
| March 7 | 84.9°F (1992) | 12.9°F (1996) | 2.49 in (1995) |
| March 8 | 78.1°F (1974) | 3.9°F (1996) | 1.15 in (1998) |
| March 9 | 78.1°F (2003) | 6.1°F (1996) | 0.83 in (1999) |
| March 10 | 77.0°F (2017) | 14.0°F (1998) | 1.10 in (2013) |
| March 11 | 82.9°F (1990) | 16.0°F (1969) | 1.25 in (1973) |
| March 12 | 82.9°F (1972) | 8.1°F (1998) | 2.44 in (1977) |
| March 13 | 82.9°F (1990) | 14.0°F (1993) | 2.90 in (2016) |
| March 14 | 82.0°F (2012) | 12.0°F (1993) | 1.26 in (2011) |
| March 15 | 86.0°F (2012) | 16.0°F (2017) | 1.61 in (2025) |
| March 16 | 79.0°F (2012) | 23.0°F (1988) | 0.95 in (2001) |
| March 17 | 82.9°F (2015) | 21.0°F (2014) | 0.52 in (1998) |
| March 18 | 82.9°F (2011) | 21.9°F (1993) | 1.67 in (2008) |
| March 19 | 81.0°F (2012) | 26.1°F (1989) | 2.60 in (2008) |
| March 20 | 81.0°F (2012) | 24.1°F (1990) | 2.12 in (1998) |
| March 21 | 86.0°F (2017) | 19.9°F (2013) | 1.90 in (1998) |
| March 22 | 88.0°F (1997) | 23.0°F (2006) | 0.63 in (1991) |
| March 23 | 81.0°F (1988) | 25.0°F (1971) | 1.30 in (2025) |
| March 24 | 82.0°F (1994) | 12.0°F (1974) | 2.00 in (2023) |
| March 25 | 78.1°F (2003) | 14.0°F (1974) | 1.11 in (1996) |
| March 26 | 82.9°F (2007) | 19.0°F (1975) | 6.50 in (2000) |
| March 27 | 87.1°F (1991) | 24.1°F (1996) | 1.93 in (1976) |
| March 28 | 82.9°F (1991) | 28.9°F (2015) | 3.36 in (1977) |
| March 29 | 82.0°F (2012) | 25.0°F (1969) | 2.00 in (2009) |
| March 30 | 81.0°F (1998) | 25.0°F (1969) | 1.92 in (2019) |
| March 31 | 82.0°F (2012) | 25.0°F (1969) | 0.71 in (1996) |