January weather in New Berlin, WI
The average temperature in New Berlin in January is 21.0°F (12.2°F–29.8°F). Average precipitation: 1.80 inches.
January is a winter month in New Berlin, and is cooler than the annual average of 47.3°F. Daily temperatures swing about 17.6°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 9h 10m. For travel, January is cold.
Avg High
29.8°F
Avg Low
12.2°F
Precipitation
1.80 in
Daylight
9h 10m
January records in New Berlin
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 54.0°F (2011) | -11.9°F (2018) | 0.64 in (2019) |
| January 2 | 46.0°F (2007) | -13.0°F (2018) | 1.29 in (2005) |
| January 3 | 48.0°F (2020) | -11.9°F (2014) | 0.17 in (2006) |
| January 4 | 50.0°F (2007) | -9.0°F (2014) | 0.50 in (2005) |
| January 5 | 50.0°F (2007) | -9.9°F (2015) | 0.03 in (2014) |
| January 6 | 55.9°F (2019) | -14.1°F (2014) | 0.35 in (2005) |
| January 7 | 54.0°F (2008) | -15.0°F (2014) | 0.70 in (2005) |
| January 8 | 60.1°F (2008) | -15.0°F (2014) | 0.82 in (2008) |
| January 9 | 59.0°F (2026) | -15.0°F (2014) | 0.35 in (2026) |
| January 10 | 50.0°F (2020) | -13.0°F (2014) | 0.72 in (2024) |
| January 11 | 55.0°F (2018) | -9.9°F (2022) | 0.71 in (2013) |
| January 12 | 57.9°F (2012) | -6.0°F (2022) | 0.34 in (2024) |
| January 13 | 54.0°F (2006) | -6.0°F (2016) | 1.40 in (2024) |
| January 14 | 54.0°F (2026) | -8.0°F (2018) | 0.08 in (2009) |
| January 15 | 42.1°F (2016) | -11.9°F (2009) | 0.49 in (2007) |
| January 16 | 43.0°F (2023) | -18.0°F (2009) | 0.20 in (2018) |
| January 17 | 46.0°F (2023) | -17.0°F (2009) | 0.58 in (2017) |
| January 18 | 44.1°F (2015) | -9.9°F (2016) | 0.69 in (2020) |
| January 19 | 42.1°F (2013) | -9.0°F (2008) | 0.66 in (2019) |
| January 20 | 50.0°F (2006) | -11.0°F (2008) | 0.48 in (2017) |
| January 21 | 53.1°F (2018) | -11.0°F (2011) | 0.46 in (2006) |
| January 22 | 55.0°F (2017) | -9.9°F (2025) | 1.50 in (2018) |
| January 23 | 44.1°F (2017) | -18.0°F (2026) | 0.53 in (2018) |
| January 24 | 44.1°F (2017) | -16.1°F (2026) | 0.25 in (2010) |
| January 25 | 42.1°F (2015) | -13.0°F (2019) | 0.35 in (2020) |
| January 26 | 39.9°F (2005) | -20.0°F (2022) | 0.32 in (2021) |
| January 27 | 50.0°F (2018) | -17.0°F (2022) | 0.29 in (2021) |
| January 28 | 48.0°F (2006) | -14.1°F (2014) | 0.62 in (2019) |
| January 29 | 46.9°F (2008) | -13.0°F (2014) | 1.15 in (2006) |
| January 30 | 59.0°F (2013) | -23.1°F (2019) | 0.99 in (2013) |
| January 31 | 50.0°F (2013) | -24.0°F (2019) | 0.75 in (2021) |