March weather in Fairfax, VA
The average temperature in Fairfax in March is 42.4°F (31.6°F–53.3°F). Average precipitation: 3.84 inches. Average snowfall is 2.0 inches.
March is a spring month in Fairfax, and is cooler than the annual average of 54°F. Daily temperatures swing about 21.7°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 11h 44m. For travel, March is cool.
Avg High
53.3°F
Avg Low
31.6°F
Precipitation
3.84 in
Snow
2.0 in
March records in Fairfax
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| March 1 | 69.1°F (2011) | 9.0°F (2014) | 1.34 in (2012) |
| March 2 | 73.9°F (2017) | 14.0°F (2014) | 1.47 in (1994) |
| March 3 | 72.0°F (2004) | 10.9°F (2009) | 1.04 in (2002) |
| March 4 | 69.1°F (1999) | 5.0°F (2014) | 2.08 in (1993) |
| March 5 | 69.1°F (2008) | 9.0°F (2014) | 2.40 in (1965) |
| March 6 | 75.9°F (2004) | 9.0°F (2015) | 1.51 in (1962) |
| March 7 | 75.9°F (2022) | 9.0°F (2015) | 2.05 in (1967) |
| March 8 | 77.0°F (2022) | 12.0°F (2007) | 0.97 in (1983) |
| March 9 | 84.0°F (2000) | 10.9°F (1996) | 1.24 in (1995) |
| March 10 | 84.0°F (2016) | 10.0°F (1996) | 1.01 in (1994) |
| March 11 | 82.9°F (2026) | 15.1°F (1996) | 1.00 in (2011) |
| March 12 | 84.9°F (2026) | 18.0°F (1998) | 1.31 in (1963) |
| March 13 | 73.0°F (2024) | 18.0°F (2014) | 2.69 in (1993) |
| March 14 | 84.9°F (2006) | 18.0°F (2014) | 1.30 in (1975) |
| March 15 | 82.0°F (2007) | 18.0°F (2017) | 1.40 in (1999) |
| March 16 | 84.9°F (2012) | 18.0°F (2017) | 0.80 in (2007) |
| March 17 | 75.9°F (2016) | 21.9°F (2014) | 2.12 in (2026) |
| March 18 | 75.9°F (1999) | 21.0°F (2026) | 0.87 in (1928) |
| March 19 | 79.0°F (2011) | 21.9°F (2026) | 1.37 in (1958) |
| March 20 | 75.0°F (2022) | 24.1°F (2007) | 1.81 in (1958) |
| March 21 | 78.1°F (2020) | 24.1°F (2009) | 1.88 in (2003) |
| March 22 | 75.9°F (2010) | 21.9°F (2002) | 2.40 in (2019) |
| March 23 | 84.0°F (2026) | 21.0°F (2017) | 1.89 in (1991) |
| March 24 | 81.0°F (2012) | 21.0°F (2014) | 1.84 in (1979) |
| March 25 | 77.0°F (2017) | 21.0°F (2014) | 0.92 in (2021) |
| March 26 | 75.9°F (2000) | 25.0°F (2014) | 2.05 in (1978) |
| March 27 | 82.0°F (2021) | 14.0°F (2007) | 1.33 in (1994) |
| March 28 | 84.0°F (1998) | 21.0°F (2001) | 1.17 in (1994) |
| March 29 | 81.0°F (1998) | 21.9°F (2022) | 1.65 in (1984) |
| March 30 | 84.9°F (1998) | 23.0°F (2015) | 2.00 in (1974) |
| March 31 | 89.1°F (1998) | 28.0°F (2003) | 0.69 in (2014) |