December weather in Somersworth, NH
The average temperature in Somersworth in December is 29.6°F (21.9°F–37.4°F). Average precipitation: 3.30 inches.
December is a winter month in Somersworth, and is cooler than the annual average of 47.7°F. Daily temperatures swing about 15.5°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 8h 48m. For travel, December is cold.
Avg High
37.4°F
Avg Low
21.9°F
Precipitation
3.30 in
Daylight
8h 48m
December records in Somersworth
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 66.0°F (2001) | 12.2°F (2007) | 1.30 in (2004) |
| December 2 | 51.1°F (2016) | 12.2°F (2007) | 0.77 in (2018) |
| December 3 | 66.9°F (2009) | 8.1°F (2000) | 1.05 in (2009) |
| December 4 | 55.9°F (2001) | 12.0°F (2002) | 0.10 in (2023) |
| December 5 | 63.0°F (2001) | 3.0°F (2025) | 1.50 in (2020) |
| December 6 | 72.0°F (2001) | 12.2°F (2007) | 0.70 in (2014) |
| December 7 | 57.0°F (2015) | 8.1°F (2002) | 1.09 in (2011) |
| December 8 | 50.0°F (2022) | 4.1°F (2019) | 0.58 in (2004) |
| December 9 | 52.0°F (2023) | 0.0°F (2000) | 0.99 in (2014) |
| December 10 | 61.0°F (2023) | 3.2°F (2010) | 0.57 in (2023) |
| December 11 | 62.1°F (2023) | 7.2°F (2016) | 1.59 in (2024) |
| December 12 | 57.9°F (2024) | 10.2°F (2013) | 2.02 in (2010) |
| December 13 | 53.1°F (2010) | 4.1°F (2018) | 0.73 in (2009) |
| December 14 | 55.0°F (2006) | -2.9°F (2005) | 2.23 in (2019) |
| December 15 | 59.0°F (2008) | 0.0°F (2005) | 0.42 in (2003) |
| December 16 | 55.0°F (2008) | -2.7°F (2016) | 1.07 in (2005) |
| December 17 | 60.1°F (2024) | -5.8°F (2013) | 1.63 in (2000) |
| December 18 | 61.0°F (2023) | 4.1°F (2009) | 1.62 in (2023) |
| December 19 | 50.0°F (2023) | 2.1°F (2016) | 0.12 in (2008) |
| December 20 | 51.1°F (2002) | -1.8°F (2016) | 1.08 in (2002) |
| December 21 | 55.9°F (2018) | -4.0°F (2004) | 0.98 in (2012) |
| December 22 | 55.0°F (2018) | 9.0°F (2004) | 0.54 in (2015) |
| December 23 | 55.0°F (2022) | 7.2°F (2024) | 2.00 in (2022) |
| December 24 | 60.1°F (2015) | 12.0°F (2000) | 0.49 in (2014) |
| December 25 | 62.1°F (2015) | 3.9°F (2000) | 1.13 in (2020) |
| December 26 | 55.9°F (2023) | 3.0°F (2000) | 0.53 in (2006) |
| December 27 | 52.0°F (2016) | -0.8°F (2017) | 1.45 in (2009) |
| December 28 | 57.0°F (2008) | -3.8°F (2017) | 0.80 in (2023) |
| December 29 | 57.9°F (2003) | -11.7°F (2017) | 0.94 in (2016) |
| December 30 | 57.9°F (2022) | -6.9°F (2017) | 1.36 in (2019) |
| December 31 | 59.0°F (2024) | -3.8°F (2017) | 0.29 in (2018) |