July weather in Johnstown, PA
The average temperature in Johnstown in July is 69.9°F (61.2°F–78.6°F). Average precipitation: 4.22 inches.
July is a summer month in Johnstown, and is warmer than the annual average of 48.9°F. Daily temperatures swing about 17.4°F between overnight low and afternoon high. Expect about 15 days with precipitation. Daylight averages about 14h 36m. For travel, July is a comfortable month to visit.
Avg High
78.6°F
Avg Low
61.2°F
Precipitation
4.22 in
Daylight
14h 36m
July records in Johnstown
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| July 1 | 87.1°F (2018) | 46.9°F (2010) | 1.29 in (2021) |
| July 2 | 87.1°F (2018) | 42.1°F (2001) | 0.90 in (2006) |
| July 3 | 88.0°F (2020) | 50.0°F (2001) | 0.63 in (2012) |
| July 4 | 88.0°F (2020) | 54.0°F (2014) | 1.18 in (2015) |
| July 5 | 88.0°F (2020) | 50.0°F (2014) | 1.36 in (2020) |
| July 6 | 90.0°F (2020) | 48.0°F (2001) | 0.70 in (2003) |
| July 7 | 91.0°F (2012) | 50.0°F (2006) | 1.15 in (2019) |
| July 8 | 89.1°F (2024) | 48.9°F (2009) | 1.06 in (2020) |
| July 9 | 88.0°F (2020) | 52.0°F (2009) | 1.35 in (2015) |
| July 10 | 91.9°F (2024) | 53.1°F (2021) | 1.06 in (2020) |
| July 11 | 87.1°F (2011) | 50.0°F (2002) | 1.26 in (2021) |
| July 12 | 88.0°F (2024) | 48.9°F (2002) | 0.57 in (2020) |
| July 13 | 89.1°F (2024) | 48.9°F (2001) | 0.70 in (2010) |
| July 14 | 90.0°F (2024) | 51.1°F (2009) | 1.08 in (2014) |
| July 15 | 91.9°F (2024) | 51.1°F (2001) | 0.78 in (2018) |
| July 16 | 90.0°F (2024) | 48.0°F (2015) | 1.57 in (2005) |
| July 17 | 87.1°F (2002) | 51.1°F (2014) | 1.11 in (2022) |
| July 18 | 87.1°F (2013) | 51.1°F (2014) | 1.33 in (2007) |
| July 19 | 88.0°F (2020) | 52.0°F (2024) | 1.04 in (2012) |
| July 20 | 88.0°F (2011) | 53.1°F (2003) | 1.42 in (2012) |
| July 21 | 90.0°F (2011) | 51.1°F (2007) | 0.76 in (2020) |
| July 22 | 93.9°F (2011) | 52.0°F (2007) | 0.50 in (2020) |
| July 23 | 89.1°F (2011) | 55.0°F (2015) | 1.26 in (2020) |
| July 24 | 89.1°F (2016) | 53.1°F (2007) | 0.34 in (2007) |
| July 25 | 90.0°F (2016) | 48.0°F (2013) | 0.99 in (2011) |
| July 26 | 86.0°F (2005) | 48.9°F (2013) | 2.16 in (2012) |
| July 27 | 86.0°F (2020) | 48.9°F (2001) | 0.73 in (2004) |
| July 28 | 89.1°F (2024) | 52.0°F (2014) | 1.06 in (2017) |
| July 29 | 88.0°F (2024) | 48.0°F (2014) | 1.04 in (2010) |
| July 30 | 87.1°F (2025) | 48.0°F (2014) | 2.20 in (2016) |
| July 31 | 86.0°F (2002) | 54.0°F (2013) | 0.72 in (2003) |