May weather in Somersworth, NH
The average temperature in Somersworth in May is 56.1°F (44.8°F–67.4°F). Average precipitation: 3.52 inches.
May is a spring month in Somersworth, and is warmer than the annual average of 47.7°F. Daily temperatures swing about 22.6°F between overnight low and afternoon high. Expect about 13 days with precipitation. Daylight averages about 14h 29m. For travel, May is a comfortable month to visit.
Avg High
67.4°F
Avg Low
44.8°F
Precipitation
3.52 in
Daylight
14h 29m
May records in Somersworth
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 84.0°F (2001) | 27.1°F (2008) | 1.17 in (2020) |
| May 2 | 91.0°F (2001) | 32.0°F (2008) | 1.20 in (2006) |
| May 3 | 91.0°F (2001) | 30.0°F (2000) | 0.75 in (2025) |
| May 4 | 87.1°F (2001) | 33.1°F (2003) | 0.55 in (2004) |
| May 5 | 81.0°F (2006) | 30.0°F (2004) | 0.81 in (2021) |
| May 6 | 80.1°F (2002) | 31.1°F (2020) | 0.60 in (2025) |
| May 7 | 89.1°F (2000) | 28.9°F (2001) | 1.47 in (2009) |
| May 8 | 84.0°F (2007) | 33.1°F (2004) | 0.82 in (2000) |
| May 9 | 86.0°F (2007) | 31.1°F (2017) | 0.73 in (2025) |
| May 10 | 89.1°F (2015) | 33.1°F (2010) | 0.94 in (2025) |
| May 11 | 84.9°F (2001) | 27.1°F (2010) | 0.61 in (2007) |
| May 12 | 84.9°F (2014) | 34.0°F (2010) | 0.37 in (2003) |
| May 13 | 84.0°F (2022) | 28.9°F (2005) | 4.05 in (2006) |
| May 14 | 91.9°F (2022) | 33.1°F (2007) | 1.78 in (2006) |
| May 15 | 90.0°F (2004) | 34.0°F (2013) | 1.35 in (2006) |
| May 16 | 81.0°F (2025) | 33.1°F (2000) | 0.96 in (2007) |
| May 17 | 91.9°F (2017) | 34.0°F (2023) | 0.76 in (2014) |
| May 18 | 93.9°F (2017) | 31.1°F (2023) | 0.77 in (2007) |
| May 19 | 84.0°F (2017) | 34.0°F (2002) | 1.05 in (2010) |
| May 20 | 84.9°F (2003) | 30.9°F (2002) | 1.92 in (2023) |
| May 21 | 91.0°F (2009) | 33.1°F (2002) | 0.48 in (2005) |
| May 22 | 93.0°F (2024) | 34.0°F (2002) | 0.67 in (2025) |
| May 23 | 86.0°F (2021) | 37.0°F (2007) | 0.91 in (2005) |
| May 24 | 88.0°F (2007) | 37.0°F (2020) | 1.35 in (2004) |
| May 25 | 91.0°F (2007) | 39.0°F (2020) | 0.82 in (2005) |
| May 26 | 95.0°F (2010) | 37.0°F (2009) | 1.46 in (2017) |
| May 27 | 93.0°F (2015) | 39.0°F (2013) | 0.63 in (2001) |
| May 28 | 93.0°F (2016) | 39.0°F (2013) | 0.92 in (2019) |
| May 29 | 88.0°F (2006) | 37.0°F (2014) | 0.31 in (2021) |
| May 30 | 91.0°F (2015) | 37.0°F (2000) | 0.26 in (2002) |
| May 31 | 93.0°F (2013) | 37.0°F (2004) | 0.64 in (2002) |