July weather in Winfield, IL
The average temperature in Winfield in July is 73.7°F (63.3°F–84.0°F). Average precipitation: 3.62 inches.
July is a summer month in Winfield, and is warmer than the annual average of 49.7°F. Daily temperatures swing about 20.7°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 14h 46m. For travel, July is a comfortable month to visit.
Avg High
84.0°F
Avg Low
63.3°F
Precipitation
3.62 in
Daylight
14h 46m
July records in Winfield
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| July 1 | 91.9°F (2018) | 48.0°F (2001) | 1.19 in (2012) |
| July 2 | 95.0°F (2012) | 42.1°F (2001) | 1.23 in (2000) |
| July 3 | 93.9°F (2012) | 52.0°F (2005) | 2.73 in (1998) |
| July 4 | 98.1°F (2012) | 50.0°F (2008) | 0.45 in (2022) |
| July 5 | 99.0°F (2012) | 50.0°F (1997) | 1.00 in (2023) |
| July 6 | 100.0°F (2012) | 48.9°F (2001) | 1.44 in (2015) |
| July 7 | 100.0°F (2012) | 51.1°F (1997) | 1.02 in (2024) |
| July 8 | 93.0°F (2002) | 51.1°F (2015) | 1.83 in (2013) |
| July 9 | 91.9°F (2001) | 50.0°F (1997) | 2.15 in (2002) |
| July 10 | 95.0°F (2019) | 46.0°F (1997) | 1.46 in (2025) |
| July 11 | 90.0°F (2005) | 50.0°F (1997) | 1.02 in (2025) |
| July 12 | 90.0°F (2012) | 54.0°F (2002) | 1.10 in (2014) |
| July 13 | 95.0°F (2019) | 52.0°F (2002) | 0.53 in (2012) |
| July 14 | 95.0°F (2019) | 52.0°F (2002) | 1.31 in (2023) |
| July 15 | 93.9°F (2006) | 53.1°F (2014) | 1.40 in (2021) |
| July 16 | 96.1°F (2012) | 51.1°F (2014) | 0.99 in (2019) |
| July 17 | 97.0°F (2012) | 52.0°F (2014) | 0.90 in (2003) |
| July 18 | 96.1°F (2012) | 52.0°F (2003) | 1.65 in (2007) |
| July 19 | 97.0°F (2011) | 50.0°F (2003) | 1.44 in (2008) |
| July 20 | 97.0°F (2011) | 54.0°F (2009) | 1.21 in (2005) |
| July 21 | 97.0°F (2011) | 52.0°F (2007) | 1.83 in (2001) |
| July 22 | 93.9°F (2001) | 53.1°F (2000) | 1.01 in (2011) |
| July 23 | 93.9°F (2025) | 48.0°F (2000) | 2.28 in (2010) |
| July 24 | 100.0°F (2005) | 48.9°F (2000) | 3.08 in (2010) |
| July 25 | 97.0°F (2012) | 53.1°F (2013) | 0.24 in (2005) |
| July 26 | 96.1°F (1997) | 54.0°F (1998) | 0.57 in (2005) |
| July 27 | 91.0°F (1997) | 53.1°F (2013) | 1.53 in (2025) |
| July 28 | 93.0°F (2025) | 53.1°F (2013) | 3.17 in (2023) |
| July 29 | 95.0°F (1999) | 52.0°F (1997) | 0.53 in (2016) |
| July 30 | 98.1°F (1999) | 48.9°F (1997) | 0.84 in (2000) |
| July 31 | 98.1°F (2006) | 50.0°F (1997) | 1.05 in (2000) |