June weather in Johnstown, PA
The average temperature in Johnstown in June is 66.0°F (57.2°F–74.9°F). Average precipitation: 4.40 inches.
June is a summer month in Johnstown, and is warmer than the annual average of 48.9°F. Daily temperatures swing about 17.7°F between overnight low and afternoon high. Expect about 15 days with precipitation. Daylight averages about 14h 50m. For travel, June is a comfortable month to visit.
Avg High
74.9°F
Avg Low
57.2°F
Precipitation
4.40 in
Daylight
14h 50m
June records in Johnstown
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| June 1 | 82.9°F (2007) | 39.0°F (2009) | 0.86 in (2001) |
| June 2 | 84.9°F (2023) | 37.9°F (2003) | 0.82 in (2022) |
| June 3 | 84.0°F (2023) | 42.1°F (2011) | 2.11 in (2003) |
| June 4 | 82.9°F (2025) | 39.0°F (2019) | 1.21 in (2008) |
| June 5 | 82.0°F (2002) | 46.9°F (2006) | 1.46 in (2016) |
| June 6 | 84.9°F (2008) | 43.0°F (2012) | 0.97 in (2025) |
| June 7 | 86.0°F (2008) | 43.0°F (2018) | 1.02 in (2003) |
| June 8 | 86.0°F (2007) | 44.1°F (2023) | 1.42 in (2015) |
| June 9 | 89.1°F (2020) | 44.1°F (2016) | 1.12 in (2010) |
| June 10 | 88.0°F (2020) | 46.0°F (2006) | 0.93 in (2018) |
| June 11 | 84.0°F (2015) | 41.0°F (2006) | 1.13 in (2014) |
| June 12 | 84.9°F (2015) | 46.0°F (2006) | 0.71 in (2023) |
| June 13 | 86.0°F (2017) | 46.9°F (2011) | 1.17 in (2002) |
| June 14 | 82.9°F (2005) | 46.9°F (2009) | 1.65 in (2015) |
| June 15 | 87.1°F (2022) | 45.0°F (2011) | 2.98 in (2017) |
| June 16 | 86.0°F (2022) | 48.0°F (2021) | 1.15 in (2004) |
| June 17 | 89.1°F (2024) | 44.1°F (2021) | 1.33 in (2025) |
| June 18 | 86.0°F (2007) | 46.9°F (2005) | 0.72 in (2019) |
| June 19 | 86.0°F (2024) | 43.0°F (2008) | 1.28 in (2018) |
| June 20 | 88.0°F (2024) | 42.1°F (2004) | 1.67 in (2015) |
| June 21 | 89.1°F (2024) | 48.0°F (2004) | 0.76 in (2015) |
| June 22 | 90.0°F (2024) | 48.0°F (2021) | 0.98 in (2006) |
| June 23 | 89.1°F (2025) | 45.0°F (2021) | 2.23 in (2017) |
| June 24 | 89.1°F (2025) | 48.0°F (2001) | 0.26 in (2018) |
| June 25 | 88.0°F (2025) | 52.0°F (2001) | 0.38 in (2015) |
| June 26 | 87.1°F (2025) | 46.9°F (2012) | 0.74 in (2013) |
| June 27 | 84.9°F (2005) | 50.0°F (2004) | 2.12 in (2013) |
| June 28 | 87.1°F (2012) | 48.9°F (2017) | 0.69 in (2005) |
| June 29 | 90.0°F (2012) | 51.1°F (2004) | 0.49 in (2007) |
| June 30 | 87.1°F (2021) | 46.0°F (2010) | 0.51 in (2024) |