March weather in Fontana, CA
The average temperature in Fontana in March is 60.2°F (48.7°F–71.7°F). Average precipitation: 1.64 inches.
March is a spring month in Fontana, and is cooler than the annual average of 66.8°F. Daily temperatures swing about 23°F between overnight low and afternoon high. Expect about 5 days with precipitation. Daylight averages about 11h 47m. For travel, March is a comfortable month to visit.
Avg High
71.7°F
Avg Low
48.7°F
Precipitation
1.64 in
Daylight
11h 47m
March records in Fontana
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| March 1 | 87.1°F (2013) | 34.0°F (2007) | 1.48 in (2023) |
| March 2 | 86.0°F (2022) | 33.1°F (2023) | 0.87 in (2019) |
| March 3 | 80.1°F (2017) | 34.0°F (2002) | 0.47 in (2006) |
| March 4 | 87.1°F (2012) | 36.0°F (2002) | 0.35 in (2000) |
| March 5 | 82.9°F (2007) | 36.0°F (2000) | 0.78 in (2000) |
| March 6 | 86.0°F (2007) | 36.0°F (2017) | 1.24 in (2019) |
| March 7 | 88.0°F (2004) | 37.9°F (2017) | 0.44 in (2024) |
| March 8 | 90.0°F (2004) | 39.0°F (2016) | 0.46 in (2013) |
| March 9 | 89.1°F (2004) | 41.0°F (2002) | 0.15 in (2001) |
| March 10 | 87.1°F (2004) | 37.9°F (2010) | 0.87 in (2023) |
| March 11 | 93.9°F (2007) | 37.0°F (2010) | 0.32 in (2016) |
| March 12 | 93.0°F (2007) | 33.1°F (2006) | 1.59 in (2020) |
| March 13 | 91.9°F (2017) | 37.0°F (2006) | 0.83 in (2025) |
| March 14 | 93.9°F (2013) | 37.0°F (2002) | 1.46 in (2023) |
| March 15 | 91.9°F (2015) | 37.0°F (2002) | 2.53 in (2003) |
| March 16 | 93.9°F (2026) | 36.0°F (2021) | 0.77 in (2003) |
| March 17 | 98.1°F (2026) | 36.0°F (2002) | 1.03 in (2012) |
| March 18 | 97.0°F (2026) | 39.0°F (2012) | 0.17 in (2012) |
| March 19 | 100.0°F (2026) | 37.9°F (2006) | 0.27 in (2020) |
| March 20 | 100.0°F (2026) | 42.1°F (2012) | 0.23 in (2011) |
| March 21 | 91.0°F (2026) | 42.1°F (1999) | 1.16 in (2011) |
| March 22 | 88.0°F (2022) | 39.9°F (2006) | 0.79 in (2005) |
| March 23 | 88.0°F (2008) | 37.9°F (2009) | 0.23 in (2020) |
| March 24 | 91.9°F (2025) | 42.1°F (2009) | 0.36 in (2011) |
| March 25 | 89.1°F (2022) | 39.9°F (2023) | 0.77 in (2012) |
| March 26 | 93.0°F (2015) | 39.9°F (2023) | 0.27 in (2012) |
| March 27 | 93.0°F (2015) | 39.9°F (2023) | 0.03 in (2006) |
| March 28 | 90.0°F (2004) | 41.0°F (2007) | 1.17 in (2006) |
| March 29 | 93.0°F (2004) | 43.0°F (2005) | 0.49 in (2023) |
| March 30 | 88.0°F (2003) | 43.0°F (2020) | 1.42 in (2024) |
| March 31 | 93.0°F (2011) | 41.0°F (2023) | 0.33 in (2024) |