March weather in Plano, TX
The average temperature in Plano in March is 58.1°F (47.5°F–68.6°F). Average precipitation: 3.56 inches.
March is a spring month in Plano, and is cooler than the annual average of 65.8°F. Daily temperatures swing about 21.1°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
68.6°F
Avg Low
47.5°F
Precipitation
3.56 in
Daylight
11h 47m
March records in Plano
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| March 1 | 81.0°F (2014) | 12.9°F (1980) | 0.70 in (2010) |
| March 2 | 81.0°F (2024) | 16.0°F (1980) | 1.00 in (2023) |
| March 3 | 79.0°F (2024) | 14.0°F (2014) | 1.32 in (2008) |
| March 4 | 86.0°F (2013) | 19.9°F (2019) | 1.02 in (1981) |
| March 5 | 82.9°F (2009) | 19.9°F (2019) | 2.30 in (1958) |
| March 6 | 80.1°F (2009) | 21.9°F (2015) | 1.25 in (1967) |
| March 7 | 86.0°F (1980) | 25.0°F (2008) | 1.50 in (2024) |
| March 8 | 80.1°F (2011) | 23.0°F (2008) | 1.39 in (2016) |
| March 9 | 79.0°F (2007) | 27.0°F (2022) | 2.10 in (1964) |
| March 10 | 82.0°F (2007) | 35.1°F (2008) | 1.42 in (1973) |
| March 11 | 84.9°F (2020) | 28.9°F (2022) | 2.55 in (2009) |
| March 12 | 81.0°F (2020) | 26.1°F (2022) | 3.55 in (1995) |
| March 13 | 84.9°F (1979) | 35.1°F (2022) | 1.68 in (2019) |
| March 14 | 87.1°F (2016) | 35.1°F (2017) | 1.35 in (1990) |
| March 15 | 81.0°F (2013) | 35.1°F (2011) | 1.50 in (1969) |
| March 16 | 82.9°F (2018) | 37.0°F (2019) | 1.73 in (1998) |
| March 17 | 82.9°F (2015) | 35.1°F (2014) | 1.98 in (1961) |
| March 18 | 84.0°F (2011) | 35.1°F (2019) | 3.96 in (2008) |
| March 19 | 82.0°F (2011) | 32.0°F (2023) | 4.18 in (2006) |
| March 20 | 88.0°F (2017) | 30.9°F (2010) | 2.38 in (1968) |
| March 21 | 82.9°F (2017) | 28.9°F (2010) | 2.00 in (2022) |
| March 22 | 82.9°F (2025) | 37.0°F (2010) | 2.60 in (1984) |
| March 23 | 82.9°F (2017) | 36.0°F (2008) | 1.10 in (1969) |
| March 24 | 84.0°F (2018) | 34.0°F (2008) | 1.48 in (2001) |
| March 25 | 88.0°F (2025) | 30.9°F (2013) | 1.48 in (1995) |
| March 26 | 84.0°F (2011) | 30.9°F (2013) | 1.13 in (2005) |
| March 27 | 89.1°F (2022) | 36.0°F (2009) | 3.15 in (1989) |
| March 28 | 82.0°F (1980) | 33.1°F (2009) | 2.03 in (1966) |
| March 29 | 82.9°F (1977) | 35.1°F (2009) | 2.93 in (1979) |
| March 30 | 84.0°F (2008) | 39.9°F (2011) | 1.96 in (2007) |
| March 31 | 84.0°F (2023) | 37.9°F (2011) | 1.01 in (1957) |