January weather in Slinger, WI
The average temperature in Slinger in January is 16.9°F (8.3°F–25.5°F). Average precipitation: 1.56 inches.
January is a winter month in Slinger, and is cooler than the annual average of 44.4°F. Daily temperatures swing about 17.2°F between overnight low and afternoon high. Daylight averages about 9h 8m. For travel, January is cold.
Avg High
25.5°F
Avg Low
8.3°F
Precipitation
1.56 in
Daylight
9h 8m
January records in Slinger
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 52.0°F (2011) | -13.0°F (2018) | 0.55 in (2019) |
| January 2 | 39.9°F (2023) | -13.0°F (2018) | 0.39 in (2021) |
| January 3 | 44.1°F (2020) | -20.0°F (2014) | 0.12 in (2023) |
| January 4 | 37.0°F (2023) | -18.9°F (2014) | 0.06 in (2015) |
| January 5 | 41.0°F (2019) | -15.0°F (2018) | 0.10 in (2015) |
| January 6 | 46.0°F (2019) | -18.0°F (2014) | 0.19 in (2026) |
| January 7 | 45.0°F (2012) | -18.9°F (2014) | 0.35 in (2019) |
| January 8 | 46.0°F (2026) | -18.0°F (2014) | 0.53 in (2019) |
| January 9 | 55.9°F (2026) | -18.9°F (2014) | 0.35 in (2026) |
| January 10 | 46.9°F (2020) | -15.0°F (2014) | 0.46 in (2024) |
| January 11 | 50.0°F (2018) | -9.9°F (2016) | 0.53 in (2017) |
| January 12 | 52.0°F (2012) | -11.0°F (2016) | 0.18 in (2018) |
| January 13 | 48.9°F (2013) | -7.1°F (2016) | 1.00 in (2024) |
| January 14 | 52.0°F (2026) | -8.0°F (2015) | 0.06 in (2024) |
| January 15 | 37.0°F (2016) | -9.9°F (2024) | 0.32 in (2021) |
| January 16 | 42.1°F (2023) | -11.9°F (2024) | 0.16 in (2021) |
| January 17 | 44.1°F (2023) | -11.9°F (2024) | 0.50 in (2017) |
| January 18 | 50.0°F (2025) | -11.0°F (2016) | 0.56 in (2020) |
| January 19 | 39.0°F (2013) | -11.0°F (2016) | 0.27 in (2023) |
| January 20 | 41.0°F (2013) | -11.0°F (2016) | 0.40 in (2017) |
| January 21 | 46.9°F (2018) | -16.1°F (2011) | 0.17 in (2012) |
| January 22 | 48.0°F (2017) | -15.0°F (2025) | 0.43 in (2018) |
| January 23 | 39.9°F (2012) | -18.9°F (2026) | 0.88 in (2018) |
| January 24 | 39.0°F (2012) | -18.9°F (2026) | 0.28 in (2024) |
| January 25 | 37.9°F (2015) | -17.0°F (2026) | 0.32 in (2020) |
| January 26 | 39.9°F (2018) | -25.1°F (2019) | 0.34 in (2017) |
| January 27 | 46.0°F (2018) | -27.0°F (2019) | 0.22 in (2024) |
| January 28 | 41.0°F (2018) | -18.9°F (2014) | 0.41 in (2019) |
| January 29 | 44.1°F (2013) | -18.0°F (2014) | 0.62 in (2013) |
| January 30 | 55.9°F (2013) | -26.0°F (2019) | 0.83 in (2013) |
| January 31 | 55.0°F (2025) | -31.0°F (2019) | 0.31 in (2021) |