January weather in Johnstown, PA
The average temperature in Johnstown in January is 26.3°F (19.2°F–33.4°F). Average precipitation: 2.54 inches.
January is a winter month in Johnstown, and is cooler than the annual average of 48.9°F. Daily temperatures swing about 14.2°F between overnight low and afternoon high. Expect about 15 days with precipitation. Daylight averages about 9h 26m. For travel, January is cold.
Avg High
33.4°F
Avg Low
19.2°F
Precipitation
2.54 in
Daylight
9h 26m
January records in Johnstown
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 57.9°F (2019) | -1.8°F (2018) | 1.30 in (2003) |
| January 2 | 53.1°F (2023) | 1.2°F (2018) | 0.63 in (2006) |
| January 3 | 59.0°F (2004) | 1.2°F (2014) | 1.68 in (2023) |
| January 4 | 60.1°F (2023) | 1.2°F (2018) | 1.27 in (2004) |
| January 5 | 59.0°F (2007) | -3.8°F (2018) | 1.66 in (2005) |
| January 6 | 57.0°F (2007) | -10.8°F (2014) | 1.05 in (2005) |
| January 7 | 61.0°F (2008) | -13.9°F (2014) | 0.55 in (2007) |
| January 8 | 64.9°F (2008) | -2.7°F (2015) | 0.30 in (2005) |
| January 9 | 57.0°F (2026) | 1.2°F (2017) | 1.33 in (2024) |
| January 10 | 55.0°F (2002) | -4.0°F (2004) | 0.33 in (2016) |
| January 11 | 64.0°F (2020) | 3.0°F (2004) | 0.71 in (2012) |
| January 12 | 63.0°F (2017) | 9.0°F (2003) | 1.11 in (2018) |
| January 13 | 62.1°F (2013) | 4.1°F (2016) | 0.64 in (2007) |
| January 14 | 55.9°F (2002) | 2.1°F (2018) | 0.28 in (2006) |
| January 15 | 55.9°F (2007) | 0.0°F (2004) | 0.49 in (2007) |
| January 16 | 53.1°F (2020) | -6.9°F (2009) | 0.24 in (2022) |
| January 17 | 55.0°F (2017) | -6.9°F (2009) | 0.71 in (2006) |
| January 18 | 50.0°F (2017) | -2.0°F (2003) | 0.70 in (2020) |
| January 19 | 50.0°F (2006) | 1.2°F (2016) | 0.71 in (2023) |
| January 20 | 54.0°F (2006) | -0.8°F (2025) | 0.27 in (2019) |
| January 21 | 60.1°F (2017) | -5.8°F (2025) | 0.37 in (2012) |
| January 22 | 60.1°F (2018) | -10.8°F (2025) | 0.12 in (2006) |
| January 23 | 52.0°F (2002) | -5.1°F (2026) | 0.53 in (2006) |
| January 24 | 52.0°F (2002) | -7.1°F (2026) | 0.51 in (2002) |
| January 25 | 54.0°F (2024) | -4.0°F (2004) | 0.81 in (2010) |
| January 26 | 59.0°F (2024) | 3.2°F (2007) | 0.50 in (2012) |
| January 27 | 57.0°F (2002) | -1.8°F (2022) | 0.33 in (2024) |
| January 28 | 57.9°F (2002) | -9.8°F (2014) | 0.59 in (2024) |
| January 29 | 59.0°F (2002) | -5.8°F (2014) | 0.51 in (2008) |
| January 30 | 61.0°F (2002) | -7.8°F (2019) | 0.95 in (2013) |
| January 31 | 57.0°F (2016) | -8.9°F (2019) | 0.54 in (2025) |