October weather in Monticello, WI
The average temperature in Monticello in October is 49.7°F (40.2°F–59.3°F). Average precipitation: 3.24 inches. Average snowfall is 0.4 inches.
October is a fall month in Monticello, and is warmer than the annual average of 47.3°F. Daily temperatures swing about 19.1°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 10h 48m. For travel, October is a comfortable month to visit.
Avg High
59.3°F
Avg Low
40.2°F
Precipitation
3.24 in
Snow
0.4 in
October records in Monticello
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| October 1 | 86.0°F (2019) | 27.0°F (2003) | 1.39 in (1995) |
| October 2 | 86.0°F (2021) | 21.9°F (2003) | 2.37 in (2018) |
| October 3 | 87.1°F (2005) | 32.0°F (2011) | 1.20 in (1954) |
| October 4 | 88.0°F (2025) | 32.0°F (2003) | 1.30 in (1973) |
| October 5 | 86.0°F (2025) | 26.1°F (2004) | 2.90 in (1959) |
| October 6 | 86.0°F (2007) | 27.0°F (2001) | 1.75 in (1995) |
| October 7 | 86.0°F (2007) | 24.1°F (2001) | 1.45 in (1995) |
| October 8 | 82.9°F (2011) | 27.0°F (2012) | 1.65 in (2008) |
| October 9 | 82.9°F (2011) | 30.0°F (2022) | 1.82 in (1958) |
| October 10 | 91.9°F (2010) | 27.0°F (2009) | 2.27 in (1954) |
| October 11 | 82.0°F (2010) | 21.9°F (2009) | 1.09 in (2017) |
| October 12 | 82.9°F (2010) | 21.9°F (2009) | 0.91 in (1985) |
| October 13 | 82.9°F (2008) | 28.0°F (2018) | 0.98 in (1961) |
| October 14 | 78.1°F (2011) | 28.9°F (2006) | 1.65 in (2014) |
| October 15 | 72.0°F (2020) | 24.1°F (2006) | 1.40 in (2014) |
| October 16 | 69.1°F (2016) | 26.1°F (2006) | 0.85 in (2016) |
| October 17 | 73.0°F (2010) | 26.1°F (2003) | 1.14 in (1996) |
| October 18 | 81.0°F (2016) | 27.0°F (2018) | 1.75 in (1981) |
| October 19 | 75.9°F (2025) | 25.0°F (2022) | 2.61 in (1984) |
| October 20 | 75.9°F (2003) | 25.0°F (2002) | 1.04 in (1982) |
| October 21 | 79.0°F (2024) | 23.0°F (2018) | 2.12 in (1951) |
| October 22 | 79.0°F (2024) | 23.0°F (2018) | 1.10 in (2020) |
| October 23 | 78.1°F (2022) | 25.0°F (2013) | 2.10 in (1959) |
| October 24 | 75.0°F (2022) | 25.0°F (2006) | 1.50 in (2010) |
| October 25 | 79.0°F (2023) | 23.0°F (2013) | 2.00 in (1967) |
| October 26 | 71.1°F (2011) | 24.1°F (2006) | 1.90 in (2010) |
| October 27 | 64.9°F (2023) | 23.0°F (2013) | 0.90 in (2023) |
| October 28 | 75.0°F (2014) | 23.0°F (2013) | 0.68 in (1970) |
| October 29 | 73.9°F (2004) | 24.1°F (2012) | 90.00 in (1983) |
| October 30 | 81.0°F (2024) | 24.1°F (2010) | 1.62 in (1961) |
| October 31 | 73.9°F (2024) | 25.0°F (2002) | 3.08 in (1960) |