April weather in Williamsport, PA
The average temperature in Williamsport in April is 50.9°F (39.2°F–62.5°F). Average precipitation: 3.62 inches. Average snowfall is 0.8 inches.
April is a spring month in Williamsport, and is cooler than the annual average of 51.8°F. Daily temperatures swing about 23.3°F between overnight low and afternoon high. Expect about 13 days with precipitation. Daylight averages about 13h 7m. For travel, April is a comfortable month to visit.
Avg High
62.5°F
Avg Low
39.2°F
Precipitation
3.62 in
Snow
0.8 in
April records in Williamsport
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| April 1 | 77.0°F (2010) | 21.9°F (2003) | 0.82 in (1998) |
| April 2 | 80.1°F (2010) | 24.1°F (2019) | 2.05 in (2005) |
| April 3 | 78.1°F (2025) | 21.9°F (2008) | 1.57 in (2009) |
| April 4 | 78.1°F (2023) | 26.1°F (2016) | 0.87 in (2000) |
| April 5 | 82.9°F (2010) | 21.0°F (2016) | 0.51 in (2025) |
| April 6 | 87.1°F (2010) | 21.9°F (2016) | 0.74 in (2017) |
| April 7 | 88.0°F (2010) | 19.9°F (2002) | 0.82 in (2022) |
| April 8 | 84.9°F (2010) | 21.9°F (2018) | 1.21 in (2000) |
| April 9 | 82.9°F (2013) | 24.1°F (2025) | 1.68 in (1998) |
| April 10 | 82.9°F (2013) | 21.0°F (2016) | 1.02 in (2013) |
| April 11 | 86.0°F (2017) | 24.1°F (2007) | 1.18 in (2021) |
| April 12 | 84.9°F (2023) | 30.0°F (2005) | 0.84 in (2024) |
| April 13 | 91.0°F (2023) | 26.1°F (2000) | 1.43 in (2004) |
| April 14 | 90.0°F (2023) | 23.0°F (2003) | 0.48 in (2002) |
| April 15 | 86.0°F (2003) | 28.0°F (2008) | 0.86 in (2009) |
| April 16 | 91.9°F (2002) | 25.0°F (2014) | 2.34 in (2018) |
| April 17 | 93.0°F (2002) | 26.1°F (2014) | 0.81 in (2000) |
| April 18 | 91.9°F (2002) | 26.1°F (2022) | 0.48 in (2000) |
| April 19 | 90.0°F (2002) | 26.1°F (2001) | 1.21 in (1998) |
| April 20 | 86.0°F (2006) | 30.0°F (2001) | 1.57 in (2015) |
| April 21 | 86.0°F (2023) | 28.0°F (2013) | 0.86 in (2017) |
| April 22 | 82.9°F (2007) | 30.0°F (2024) | 1.24 in (2006) |
| April 23 | 89.1°F (2001) | 28.9°F (2021) | 0.93 in (2012) |
| April 24 | 84.9°F (2025) | 28.9°F (2002) | 0.36 in (2013) |
| April 25 | 90.0°F (2009) | 28.9°F (1999) | 0.67 in (2010) |
| April 26 | 91.9°F (2009) | 28.9°F (2006) | 1.11 in (2025) |
| April 27 | 95.0°F (2009) | 28.9°F (2002) | 0.34 in (2018) |
| April 28 | 89.1°F (2009) | 30.0°F (2012) | 1.30 in (2011) |
| April 29 | 90.0°F (2024) | 28.9°F (2001) | 0.39 in (2021) |
| April 30 | 87.1°F (2024) | 28.9°F (2012) | 2.27 in (2020) |