January weather in Reading, PA
The average temperature in Reading in January is 30.8°F (23.0°F–38.6°F). Average precipitation: 2.97 inches.
January is a winter month in Reading, and is cooler than the annual average of 53.7°F. Daily temperatures swing about 15.6°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 9h 26m. For travel, January is cold.
Avg High
38.6°F
Avg Low
23.0°F
Precipitation
2.97 in
Daylight
9h 26m
January records in Reading
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 63.0°F (2005) | 0.1°F (2018) | 1.08 in (2007) |
| January 2 | 60.1°F (2000) | 5.2°F (2018) | 0.71 in (2006) |
| January 3 | 60.1°F (2000) | 1.2°F (2018) | 0.58 in (2015) |
| January 4 | 66.0°F (1950) | 1.2°F (2014) | 0.47 in (2004) |
| January 5 | 62.1°F (2007) | 6.3°F (2014) | 2.56 in (1949) |
| January 6 | 70.0°F (2007) | 5.2°F (2018) | 1.05 in (2002) |
| January 7 | 63.0°F (2008) | 0.1°F (2014) | 0.73 in (2009) |
| January 8 | 66.0°F (2008) | 5.2°F (2014) | 0.56 in (2005) |
| January 9 | 62.1°F (2008) | 3.9°F (2004) | 1.92 in (2024) |
| January 10 | 63.0°F (2016) | 1.0°F (2004) | 1.02 in (2016) |
| January 11 | 66.9°F (2020) | 3.9°F (2004) | 1.51 in (2014) |
| January 12 | 66.0°F (2020) | 14.2°F (2022) | 0.80 in (2012) |
| January 13 | 63.0°F (2005) | 12.0°F (2011) | 0.75 in (2018) |
| January 14 | 66.9°F (2005) | 10.2°F (2018) | 1.06 in (2005) |
| January 15 | 52.0°F (2010) | 3.9°F (2004) | 0.25 in (2016) |
| January 16 | 53.1°F (2007) | 3.0°F (2004) | 0.52 in (2013) |
| January 17 | 53.1°F (1949) | 1.0°F (2009) | 0.66 in (2022) |
| January 18 | 61.0°F (2006) | 1.0°F (2003) | 1.10 in (2006) |
| January 19 | 57.9°F (1949) | 8.1°F (2003) | 0.88 in (2023) |
| January 20 | 59.0°F (2006) | 5.0°F (2026) | 0.89 in (2019) |
| January 21 | 62.1°F (2006) | -0.9°F (2026) | 0.58 in (2001) |
| January 22 | 54.0°F (2018) | -6.9°F (2025) | 0.67 in (2005) |
| January 23 | 59.0°F (2018) | 2.1°F (2025) | 3.02 in (2016) |
| January 24 | 59.0°F (2019) | 0.0°F (2011) | 1.20 in (2019) |
| January 25 | 62.1°F (2010) | 3.9°F (2004) | 1.71 in (2020) |
| January 26 | 73.9°F (1950) | 6.1°F (2007) | 1.02 in (2011) |
| January 27 | 63.0°F (2002) | 3.9°F (2003) | 0.40 in (2004) |
| January 28 | 61.0°F (2002) | 1.9°F (2003) | 0.82 in (2024) |
| January 29 | 66.9°F (2002) | 1.9°F (2005) | 0.30 in (2019) |
| January 30 | 66.9°F (2013) | 0.1°F (2019) | 1.11 in (2013) |
| January 31 | 62.1°F (2012) | -4.9°F (2019) | 1.06 in (2013) |