May weather in Johnstown, NY
The average temperature in Johnstown in May is 52.5°F (42.1°F–62.9°F). Average precipitation: 4.47 inches.
May is a spring month in Johnstown, and is warmer than the annual average of 41.5°F. Daily temperatures swing about 20.8°F between overnight low and afternoon high. Daylight averages about 14h 28m. For travel, May is a comfortable month to visit.
Avg High
62.9°F
Avg Low
42.1°F
Precipitation
4.47 in
Daylight
14h 28m
May records in Johnstown
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 63.0°F (2013) | 28.0°F (2012) | 1.33 in (2023) |
| May 2 | 68.0°F (2017) | 28.0°F (2022) | 1.33 in (2017) |
| May 3 | 79.0°F (2018) | 37.0°F (2015) | 0.64 in (2016) |
| May 4 | 75.9°F (2018) | 30.9°F (2017) | 0.89 in (2011) |
| May 5 | 77.0°F (2015) | 28.9°F (2020) | 1.04 in (2021) |
| May 6 | 70.0°F (2013) | 28.0°F (2020) | 1.10 in (2017) |
| May 7 | 72.0°F (2015) | 28.0°F (2014) | 0.72 in (2025) |
| May 8 | 78.1°F (2015) | 30.0°F (2022) | 1.85 in (2012) |
| May 9 | 82.0°F (2015) | 25.0°F (2020) | 0.98 in (2012) |
| May 10 | 79.0°F (2015) | 25.0°F (2020) | 0.40 in (2014) |
| May 11 | 80.1°F (2015) | 30.0°F (2016) | 0.63 in (2013) |
| May 12 | 80.1°F (2015) | 30.9°F (2020) | 0.66 in (2015) |
| May 13 | 79.0°F (2014) | 27.0°F (2020) | 0.23 in (2019) |
| May 14 | 78.1°F (2022) | 27.0°F (2020) | 1.29 in (2019) |
| May 15 | 78.1°F (2022) | 28.0°F (2013) | 0.95 in (2012) |
| May 16 | 73.9°F (2022) | 32.0°F (2016) | 1.54 in (2020) |
| May 17 | 77.0°F (2025) | 32.0°F (2016) | 1.46 in (2014) |
| May 18 | 84.0°F (2017) | 27.0°F (2023) | 0.42 in (2020) |
| May 19 | 84.9°F (2017) | 27.0°F (2023) | 0.55 in (2011) |
| May 20 | 78.1°F (2021) | 33.1°F (2023) | 0.99 in (2018) |
| May 21 | 80.1°F (2021) | 34.0°F (2015) | 0.13 in (2023) |
| May 22 | 84.9°F (2021) | 39.0°F (2019) | 1.51 in (2013) |
| May 23 | 84.0°F (2022) | 28.9°F (2015) | 0.77 in (2017) |
| May 24 | 78.1°F (2020) | 34.0°F (2015) | 0.89 in (2019) |
| May 25 | 73.9°F (2018) | 32.0°F (2023) | 0.57 in (2013) |
| May 26 | 80.1°F (2016) | 32.0°F (2023) | 0.66 in (2017) |
| May 27 | 84.9°F (2021) | 34.0°F (2023) | 1.28 in (2011) |
| May 28 | 84.0°F (2020) | 35.1°F (2013) | 1.32 in (2024) |
| May 29 | 86.0°F (2016) | 36.0°F (2021) | 0.65 in (2019) |
| May 30 | 84.0°F (2012) | 39.0°F (2021) | 1.79 in (2016) |
| May 31 | 81.0°F (2011) | 39.9°F (2014) | 0.47 in (2017) |