July weather in Dover, NH
The average temperature in Dover in July is 69.7°F (59.0°F–80.5°F). Average precipitation: 3.76 inches.
July is a summer month in Dover, and is warmer than the annual average of 47.1°F. Daily temperatures swing about 21.5°F between overnight low and afternoon high. Expect about 12 days with precipitation. Daylight averages about 14h 54m. For travel, July is a comfortable month to visit.
Avg High
80.5°F
Avg Low
59.0°F
Precipitation
3.76 in
Daylight
14h 54m
July records in Dover
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| July 1 | 91.0°F (2018) | 46.8°F (2010) | 0.76 in (2013) |
| July 2 | 90.0°F (2002) | 47.3°F (2007) | 1.78 in (2023) |
| July 3 | 93.4°F (2018) | 48.4°F (2007) | 0.76 in (2023) |
| July 4 | 92.3°F (2002) | 48.7°F (2007) | 1.09 in (2014) |
| July 5 | 91.2°F (2018) | 49.5°F (2021) | 0.48 in (2022) |
| July 6 | 95.9°F (2010) | 49.8°F (2009) | 0.15 in (2007) |
| July 7 | 89.1°F (2024) | 47.8°F (2018) | 0.56 in (2009) |
| July 8 | 90.3°F (2024) | 50.7°F (2018) | 0.85 in (2005) |
| July 9 | 90.9°F (2024) | 50.4°F (2009) | 1.41 in (2016) |
| July 10 | 91.2°F (2024) | 46.4°F (2009) | 0.73 in (2010) |
| July 11 | 90.7°F (2011) | 49.1°F (2002) | 0.74 in (2006) |
| July 12 | 89.4°F (2011) | 46.9°F (2002) | 1.48 in (2006) |
| July 13 | 88.9°F (2012) | 50.7°F (2002) | 0.91 in (2017) |
| July 14 | 88.7°F (2006) | 49.8°F (2009) | 2.30 in (2010) |
| July 15 | 90.9°F (2024) | 53.6°F (2009) | 1.26 in (2007) |
| July 16 | 91.9°F (2025) | 49.5°F (2015) | 0.90 in (2023) |
| July 17 | 91.8°F (2006) | 50.7°F (2015) | 1.68 in (2018) |
| July 18 | 92.3°F (2006) | 54.9°F (2018) | 1.37 in (2008) |
| July 19 | 93.6°F (2013) | 49.8°F (2018) | 0.80 in (2007) |
| July 20 | 93.7°F (2019) | 51.1°F (2018) | 1.24 in (2008) |
| July 21 | 93.9°F (2011) | 52.0°F (2012) | 0.37 in (2010) |
| July 22 | 98.1°F (2011) | 47.1°F (2025) | 1.39 in (2019) |
| July 23 | 92.8°F (2011) | 50.7°F (2025) | 0.86 in (2016) |
| July 24 | 95.7°F (2022) | 51.3°F (2002) | 3.49 in (2008) |
| July 25 | 89.8°F (2025) | 49.5°F (2002) | 1.47 in (2016) |
| July 26 | 89.2°F (2005) | 47.8°F (2002) | 0.62 in (2018) |
| July 27 | 93.0°F (2020) | 54.5°F (2022) | 1.14 in (2008) |
| July 28 | 90.1°F (2025) | 54.0°F (2005) | 1.56 in (2018) |
| July 29 | 94.8°F (2025) | 50.7°F (2005) | 1.65 in (2021) |
| July 30 | 92.8°F (2025) | 50.7°F (2017) | 0.22 in (2015) |
| July 31 | 89.8°F (2002) | 48.6°F (2010) | 1.65 in (2009) |