July weather in Portville, NY
The average temperature in Portville in July is 68.6°F (57.0°F–80.3°F). Average precipitation: 4.28 inches.
July is a summer month in Portville, and is warmer than the annual average of 46.3°F. Daily temperatures swing about 23.3°F between overnight low and afternoon high. Expect about 13 days with precipitation. Daylight averages about 14h 47m. For travel, July is a comfortable month to visit.
Avg High
80.3°F
Avg Low
57.0°F
Precipitation
4.28 in
Daylight
14h 47m
July records in Portville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| July 1 | 90.0°F (2018) | 46.0°F (2011) | 1.29 in (1998) |
| July 2 | 93.0°F (2018) | 46.0°F (2024) | 1.63 in (1917) |
| July 3 | 89.1°F (2018) | 46.0°F (2024) | 1.76 in (1963) |
| July 4 | 88.0°F (2018) | 48.9°F (2015) | 1.16 in (1957) |
| July 5 | 89.1°F (2012) | 48.0°F (2014) | 1.15 in (1951) |
| July 6 | 89.1°F (2020) | 48.0°F (2014) | 2.14 in (2005) |
| July 7 | 93.0°F (2012) | 50.0°F (2014) | 2.34 in (1977) |
| July 8 | 91.0°F (2012) | 50.0°F (2018) | 1.93 in (1935) |
| July 9 | 89.1°F (2020) | 50.0°F (2018) | 1.45 in (1990) |
| July 10 | 91.0°F (2020) | 44.1°F (2022) | 2.41 in (1929) |
| July 11 | 90.0°F (2024) | 46.9°F (2022) | 1.55 in (1942) |
| July 12 | 87.1°F (2011) | 51.1°F (2018) | 1.49 in (2021) |
| July 13 | 89.1°F (2025) | 53.1°F (2018) | 1.45 in (1910) |
| July 14 | 89.1°F (2016) | 51.1°F (2011) | 1.92 in (1916) |
| July 15 | 88.0°F (2013) | 50.0°F (2022) | 1.66 in (1979) |
| July 16 | 89.1°F (2018) | 46.9°F (2015) | 1.20 in (1915) |
| July 17 | 89.1°F (2018) | 48.0°F (2015) | 1.94 in (2020) |
| July 18 | 91.9°F (2012) | 48.9°F (2014) | 6.00 in (1942) |
| July 19 | 90.0°F (2011) | 48.9°F (2014) | 1.70 in (1942) |
| July 20 | 90.0°F (2011) | 50.0°F (2016) | 1.79 in (1950) |
| July 21 | 93.0°F (2011) | 50.0°F (2016) | 1.45 in (1988) |
| July 22 | 98.1°F (2011) | 46.9°F (2025) | 3.21 in (2003) |
| July 23 | 99.0°F (2011) | 48.9°F (2025) | 1.19 in (1935) |
| July 24 | 90.0°F (2011) | 51.1°F (2015) | 2.16 in (2008) |
| July 25 | 90.0°F (2025) | 46.9°F (2013) | 2.24 in (1918) |
| July 26 | 86.0°F (2011) | 46.9°F (2013) | 1.08 in (2010) |
| July 27 | 86.0°F (2020) | 50.0°F (2013) | 1.49 in (2004) |
| July 28 | 88.0°F (2020) | 51.1°F (2024) | 1.81 in (1955) |
| July 29 | 91.0°F (2025) | 50.0°F (2014) | 2.42 in (2002) |
| July 30 | 90.0°F (2025) | 51.1°F (2014) | 1.72 in (1977) |
| July 31 | 88.0°F (2025) | 48.9°F (2021) | 1.00 in (1927) |