January weather in New London, CT
The average temperature in New London in January is 30.8°F (23.3°F–38.3°F). Average precipitation: 2.68 inches.
January is a winter month in New London, and is cooler than the annual average of 51.4°F. Daily temperatures swing about 15°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 9h 20m. For travel, January is cold.
Avg High
38.3°F
Avg Low
23.3°F
Precipitation
2.68 in
Daylight
9h 20m
January records in New London
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 59.0°F (2019) | 0.1°F (2018) | 2.12 in (2007) |
| January 2 | 54.0°F (2000) | 0.1°F (2018) | 0.28 in (2021) |
| January 3 | 59.0°F (2000) | 4.1°F (2014) | 1.05 in (2006) |
| January 4 | 57.9°F (2023) | -0.8°F (2014) | 0.95 in (2000) |
| January 5 | 55.0°F (2007) | 8.2°F (2018) | 2.21 in (2019) |
| January 6 | 62.1°F (2007) | 4.1°F (2018) | 0.65 in (2002) |
| January 7 | 57.9°F (2012) | -1.8°F (2018) | 0.91 in (2009) |
| January 8 | 53.1°F (2007) | 1.2°F (2015) | 1.52 in (2007) |
| January 9 | 57.9°F (2008) | 3.0°F (2004) | 1.27 in (2024) |
| January 10 | 55.9°F (2016) | 0.0°F (2004) | 1.68 in (2024) |
| January 11 | 55.9°F (2020) | 1.0°F (2004) | 0.67 in (2008) |
| January 12 | 66.0°F (2020) | 7.2°F (2022) | 1.10 in (2012) |
| January 13 | 57.0°F (2017) | 12.9°F (2004) | 1.71 in (2024) |
| January 14 | 59.0°F (2013) | 1.9°F (2004) | 1.01 in (2006) |
| January 15 | 66.9°F (2014) | -2.9°F (2004) | 0.41 in (2001) |
| January 16 | 54.0°F (2014) | -6.9°F (2009) | 2.21 in (2021) |
| January 17 | 48.0°F (2012) | -3.8°F (2009) | 0.84 in (2022) |
| January 18 | 55.9°F (2006) | 3.0°F (2000) | 0.94 in (2006) |
| January 19 | 48.9°F (2017) | 1.9°F (2005) | 0.98 in (2023) |
| January 20 | 59.0°F (2014) | 9.0°F (2000) | 1.55 in (2019) |
| January 21 | 55.9°F (2006) | 1.2°F (2019) | 0.21 in (2002) |
| January 22 | 57.0°F (2017) | -2.0°F (2005) | 0.51 in (2023) |
| January 23 | 51.1°F (2012) | 3.2°F (2014) | 0.77 in (2023) |
| January 24 | 53.1°F (2019) | 1.2°F (2011) | 1.23 in (2019) |
| January 25 | 53.1°F (2010) | 1.9°F (2004) | 0.71 in (2023) |
| January 26 | 55.0°F (2023) | 3.2°F (2007) | 0.57 in (2023) |
| January 27 | 54.0°F (2012) | 3.9°F (2003) | 0.23 in (2012) |
| January 28 | 53.1°F (2002) | 1.0°F (2003) | 0.92 in (2009) |
| January 29 | 57.9°F (2002) | -0.9°F (2005) | 0.28 in (2006) |
| January 30 | 54.0°F (2013) | 6.3°F (2014) | 0.72 in (2001) |
| January 31 | 57.0°F (2013) | -0.9°F (2026) | 0.50 in (2013) |