October weather in Sister Bay, WI
The average temperature in Sister Bay in October is 48.8°F (40.5°F–57.1°F). Average precipitation: 3.61 inches.
October is a fall month in Sister Bay, and is warmer than the annual average of 44.7°F. Daily temperatures swing about 16.6°F between overnight low and afternoon high. Expect about 14 days with precipitation. Daylight averages about 10h 42m. For travel, October is a comfortable month to visit.
Avg High
57.1°F
Avg Low
40.5°F
Precipitation
3.61 in
Snow
0.1 in
October records in Sister Bay
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| October 1 | 75.9°F (2019) | 30.9°F (2009) | 0.05 in (2019) |
| October 2 | 75.9°F (2023) | 33.1°F (2009) | 1.19 in (2019) |
| October 3 | 78.1°F (2023) | 35.1°F (2020) | 1.65 in (2009) |
| October 4 | 78.1°F (2023) | 30.9°F (2008) | 1.11 in (2018) |
| October 5 | 73.9°F (2023) | 30.9°F (2008) | 0.97 in (2013) |
| October 6 | 77.0°F (2011) | 37.9°F (2012) | 0.89 in (2013) |
| October 7 | 73.9°F (2011) | 37.0°F (2012) | 1.44 in (2017) |
| October 8 | 72.0°F (2011) | 32.0°F (2022) | 0.70 in (2018) |
| October 9 | 77.0°F (2011) | 30.9°F (2023) | 0.67 in (2015) |
| October 10 | 78.1°F (2011) | 34.0°F (2009) | 0.47 in (2012) |
| October 11 | 72.0°F (2011) | 28.0°F (2012) | 0.45 in (2018) |
| October 12 | 75.9°F (2011) | 33.1°F (2009) | 0.90 in (2019) |
| October 13 | 75.9°F (2011) | 32.0°F (2009) | 0.70 in (2016) |
| October 14 | 75.9°F (2008) | 32.0°F (2016) | 1.73 in (2014) |
| October 15 | 64.9°F (2021) | 30.0°F (2009) | 1.22 in (2014) |
| October 16 | 63.0°F (2016) | 28.0°F (2020) | 1.15 in (2019) |
| October 17 | 66.9°F (2016) | 27.0°F (2020) | 0.75 in (2016) |
| October 18 | 75.9°F (2016) | 27.0°F (2018) | 0.50 in (2012) |
| October 19 | 66.9°F (2017) | 26.1°F (2022) | 0.27 in (2012) |
| October 20 | 73.0°F (2021) | 26.1°F (2020) | 0.25 in (2011) |
| October 21 | 73.0°F (2017) | 27.0°F (2020) | 0.61 in (2021) |
| October 22 | 66.0°F (2017) | 28.0°F (2008) | 1.45 in (2009) |
| October 23 | 66.0°F (2024) | 28.0°F (2008) | 1.71 in (2020) |
| October 24 | 62.1°F (2022) | 28.9°F (2020) | 1.40 in (2009) |
| October 25 | 64.0°F (2012) | 28.0°F (2020) | 2.10 in (2023) |
| October 26 | 62.1°F (2012) | 27.0°F (2017) | 0.57 in (2022) |
| October 27 | 64.0°F (2010) | 26.1°F (2022) | 0.90 in (2016) |
| October 28 | 68.0°F (2023) | 26.1°F (2022) | 0.72 in (2015) |
| October 29 | 59.0°F (2016) | 26.1°F (2013) | 0.55 in (2015) |
| October 30 | 75.0°F (2024) | 28.9°F (2019) | 0.85 in (2009) |
| October 31 | 73.9°F (2024) | 23.0°F (2020) | 1.53 in (2024) |