July weather in Sullivan, WI
The average temperature in Sullivan in July is 71.1°F (60.1°F–82.1°F). Average precipitation: 4.11 inches.
July is a summer month in Sullivan, and is warmer than the annual average of 46.6°F. Daily temperatures swing about 22°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 14h 53m. For travel, July is a comfortable month to visit.
Avg High
82.1°F
Avg Low
60.1°F
Precipitation
4.11 in
Daylight
14h 53m
July records in Sullivan
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| July 1 | 96.1°F (2012) | 46.0°F (2024) | 0.64 in (2018) |
| July 2 | 99.0°F (2012) | 41.0°F (2001) | 0.67 in (2019) |
| July 3 | 100.0°F (2012) | 48.0°F (2015) | 2.16 in (2000) |
| July 4 | 105.1°F (2012) | 46.0°F (2008) | 0.95 in (2018) |
| July 5 | 106.0°F (2012) | 46.9°F (1997) | 1.77 in (2022) |
| July 6 | 105.1°F (2012) | 48.9°F (2001) | 0.81 in (1997) |
| July 7 | 91.9°F (2012) | 46.9°F (2004) | 1.43 in (2020) |
| July 8 | 91.0°F (2002) | 46.9°F (2015) | 1.52 in (2008) |
| July 9 | 93.9°F (2002) | 48.0°F (2021) | 1.62 in (2020) |
| July 10 | 91.9°F (2001) | 46.0°F (2003) | 0.49 in (2013) |
| July 11 | 91.9°F (2001) | 50.0°F (2001) | 2.64 in (2008) |
| July 12 | 98.1°F (1995) | 48.9°F (2009) | 4.24 in (2017) |
| July 13 | 106.0°F (1995) | 48.9°F (2002) | 0.78 in (2015) |
| July 14 | 102.9°F (1995) | 51.1°F (2022) | 1.85 in (2024) |
| July 15 | 100.0°F (1995) | 48.0°F (2014) | 3.18 in (2010) |
| July 16 | 100.0°F (2012) | 46.0°F (2014) | 0.88 in (2017) |
| July 17 | 102.9°F (2012) | 48.9°F (2009) | 1.19 in (1999) |
| July 18 | 96.1°F (2005) | 48.0°F (2025) | 1.13 in (2001) |
| July 19 | 91.9°F (1997) | 48.0°F (2003) | 1.10 in (1995) |
| July 20 | 93.9°F (2011) | 50.0°F (2007) | 1.13 in (2018) |
| July 21 | 97.0°F (2011) | 48.0°F (2007) | 1.01 in (2005) |
| July 22 | 97.0°F (2002) | 50.0°F (2007) | 1.06 in (2013) |
| July 23 | 99.0°F (2012) | 48.0°F (2000) | 4.70 in (2010) |
| July 24 | 91.9°F (1999) | 48.0°F (2003) | 1.55 in (2005) |
| July 25 | 98.1°F (2012) | 48.0°F (2003) | 0.49 in (1995) |
| July 26 | 91.9°F (2020) | 46.0°F (2004) | 1.03 in (2012) |
| July 27 | 97.0°F (1997) | 53.1°F (2004) | 1.74 in (2007) |
| July 28 | 91.9°F (2023) | 50.0°F (2018) | 1.32 in (2023) |
| July 29 | 91.9°F (2002) | 51.1°F (2003) | 0.57 in (2021) |
| July 30 | 96.1°F (1995) | 52.0°F (2004) | 0.38 in (2012) |
| July 31 | 98.1°F (1999) | 51.1°F (2019) | 1.20 in (2025) |