July weather in Dayton, OR
The average temperature in Dayton in July is 67.3°F (51.9°F–82.7°F). Average precipitation: 0.25 inches.
July is a summer month in Dayton, and is warmer than the annual average of 52.9°F. Daily temperatures swing about 30.8°F between overnight low and afternoon high. Expect about 2 days with precipitation. Daylight averages about 15h 7m. For travel, July is a comfortable month to visit.
Avg High
82.7°F
Avg Low
51.9°F
Precipitation
0.25 in
Daylight
15h 7m
July records in Dayton
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| July 1 | 98.1°F (2014) | 41.0°F (2009) | 0.05 in (2010) |
| July 2 | 100.0°F (2015) | 41.0°F (2003) | 0.05 in (1999) |
| July 3 | 98.1°F (2015) | 42.1°F (2018) | 0.24 in (2000) |
| July 4 | 95.0°F (2015) | 43.0°F (2010) | 0.10 in (2006) |
| July 5 | 99.0°F (2024) | 44.1°F (1999) | 0.06 in (2022) |
| July 6 | 99.0°F (2024) | 43.0°F (2001) | 0.16 in (2006) |
| July 7 | 99.0°F (2024) | 43.0°F (2001) | 0.12 in (2016) |
| July 8 | 102.9°F (2024) | 43.0°F (2004) | 0.24 in (2005) |
| July 9 | 102.9°F (2024) | 45.0°F (2011) | 0.41 in (2019) |
| July 10 | 102.0°F (2007) | 46.0°F (2000) | 0.08 in (2006) |
| July 11 | 97.0°F (2022) | 45.0°F (2004) | 0.00 in (1998) |
| July 12 | 97.0°F (2018) | 42.1°F (2000) | 0.41 in (2009) |
| July 13 | 98.1°F (2025) | 42.1°F (2010) | 0.02 in (2014) |
| July 14 | 93.0°F (2008) | 44.1°F (2010) | 0.00 in (1998) |
| July 15 | 98.1°F (2014) | 39.9°F (2000) | 0.06 in (2011) |
| July 16 | 98.1°F (2024) | 46.9°F (2000) | 0.18 in (2011) |
| July 17 | 93.9°F (2005) | 44.1°F (2010) | 0.39 in (2011) |
| July 18 | 98.1°F (2015) | 45.0°F (1999) | 0.12 in (2007) |
| July 19 | 95.0°F (2023) | 42.1°F (2008) | 0.03 in (2007) |
| July 20 | 97.0°F (2006) | 43.0°F (2018) | 0.02 in (2007) |
| July 21 | 106.0°F (2006) | 46.0°F (2018) | 0.02 in (2025) |
| July 22 | 98.1°F (2004) | 46.0°F (2021) | 0.06 in (2005) |
| July 23 | 105.1°F (2006) | 45.0°F (2012) | 0.30 in (2014) |
| July 24 | 100.9°F (2006) | 44.1°F (2008) | 0.03 in (2014) |
| July 25 | 100.0°F (2022) | 44.1°F (2020) | 0.00 in (1998) |
| July 26 | 100.0°F (1998) | 44.1°F (2004) | 0.00 in (1998) |
| July 27 | 104.0°F (1998) | 46.0°F (2001) | 0.00 in (1998) |
| July 28 | 106.0°F (2009) | 46.9°F (2008) | 0.05 in (2001) |
| July 29 | 105.1°F (2009) | 48.9°F (1999) | 0.20 in (2001) |
| July 30 | 106.0°F (2015) | 48.9°F (2007) | 0.09 in (1998) |
| July 31 | 102.9°F (2015) | 42.1°F (2002) | 0.00 in (1998) |