March weather in McLean, IL
The average temperature in McLean in March is 38.7°F (28.9°F–48.5°F). Average precipitation: 2.61 inches.
March is a spring month in McLean, and is cooler than the annual average of 50.2°F. Daily temperatures swing about 19.6°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 11h 44m. For travel, March is cool.
Avg High
48.5°F
Avg Low
28.9°F
Precipitation
2.61 in
Daylight
11h 44m
March records in McLean
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| March 1 | 69.1°F (2004) | 7.0°F (2014) | 0.57 in (2002) |
| March 2 | 61.0°F (2006) | 8.1°F (2014) | 0.42 in (2002) |
| March 3 | 66.0°F (2008) | -5.1°F (2002) | 0.21 in (2008) |
| March 4 | 62.1°F (2000) | -6.0°F (2014) | 1.32 in (2004) |
| March 5 | 72.0°F (2000) | 6.1°F (2015) | 1.30 in (2011) |
| March 6 | 73.9°F (2000) | 0.0°F (2015) | 0.38 in (2013) |
| March 7 | 82.0°F (2000) | 1.0°F (2015) | 0.21 in (2002) |
| March 8 | 81.0°F (2000) | 10.0°F (2008) | 0.90 in (2009) |
| March 9 | 64.0°F (2009) | 9.0°F (2003) | 0.32 in (2011) |
| March 10 | 60.1°F (2007) | 8.1°F (2003) | 1.19 in (2009) |
| March 11 | 66.9°F (2010) | 15.1°F (2004) | 0.78 in (2013) |
| March 12 | 69.1°F (2006) | 14.0°F (2009) | 0.55 in (2006) |
| March 13 | 73.0°F (2012) | 14.0°F (2009) | 0.50 in (2010) |
| March 14 | 78.1°F (2007) | 16.0°F (2005) | 0.30 in (2010) |
| March 15 | 81.0°F (2012) | 19.9°F (2005) | 1.15 in (2000) |
| March 16 | 81.0°F (2012) | 21.9°F (2005) | 0.27 in (2001) |
| March 17 | 80.1°F (2012) | 16.0°F (2014) | 0.01 in (2002) |
| March 18 | 80.1°F (2012) | 16.0°F (2014) | 0.61 in (2008) |
| March 19 | 81.0°F (2012) | 19.0°F (2013) | 0.65 in (2003) |
| March 20 | 81.0°F (2012) | 18.0°F (2013) | 0.26 in (2003) |
| March 21 | 82.9°F (2012) | 12.0°F (2013) | 0.18 in (2006) |
| March 22 | 84.0°F (2012) | 10.9°F (2013) | 0.20 in (2007) |
| March 23 | 73.0°F (2011) | 19.0°F (2002) | 1.33 in (2007) |
| March 24 | 80.1°F (2003) | 18.0°F (2001) | 0.59 in (2007) |
| March 25 | 71.1°F (2009) | 12.0°F (2001) | 0.64 in (2007) |
| March 26 | 78.1°F (2007) | 12.0°F (2001) | 0.60 in (2004) |
| March 27 | 77.0°F (2007) | 14.0°F (2014) | 0.18 in (2007) |
| March 28 | 80.1°F (2007) | 17.1°F (2015) | 0.75 in (2004) |
| March 29 | 72.0°F (2012) | 17.1°F (2015) | 1.18 in (2009) |
| March 30 | 75.0°F (2005) | 25.0°F (2003) | 0.19 in (2004) |
| March 31 | 80.1°F (2005) | 26.1°F (2002) | 1.05 in (2007) |