March weather in Portsmouth, NH
The average temperature in Portsmouth in March is °F (°F–°F). Average precipitation: 4.58 inches. Average snowfall is 10.5 inches.
March is a spring month in Portsmouth, and is cooler than the annual average of 0°F. Expect about 10 days with precipitation. Daylight averages about 11h 42m.
Avg High
°F
Avg Low
°F
Precipitation
4.58 in
Snow
10.5 in
March records in Portsmouth
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| March 1 | — | — | 1.69 in (1999) |
| March 2 | — | — | 0.75 in (2009) |
| March 3 | — | — | 1.86 in (2024) |
| March 4 | — | — | 0.70 in (1994) |
| March 5 | — | — | 0.63 in (2008) |
| March 6 | — | — | 1.65 in (2001) |
| March 7 | — | — | 1.60 in (2024) |
| March 8 | — | — | 1.46 in (2018) |
| March 9 | — | — | 1.20 in (2008) |
| March 10 | — | — | 2.57 in (2024) |
| March 11 | — | — | 1.11 in (2016) |
| March 12 | — | — | 1.53 in (2000) |
| March 13 | — | — | 0.72 in (2014) |
| March 14 | — | — | 2.21 in (2010) |
| March 15 | — | — | 4.96 in (2010) |
| March 16 | — | — | 0.91 in (2010) |
| March 17 | — | — | 1.33 in (2007) |
| March 18 | — | — | 0.72 in (1993) |
| March 19 | — | — | 0.90 in (2013) |
| March 20 | — | — | 1.19 in (2008) |
| March 21 | — | — | 0.96 in (2002) |
| March 22 | — | — | 1.93 in (2001) |
| March 23 | — | — | 3.18 in (2001) |
| March 24 | — | — | 1.58 in (2024) |
| March 25 | — | — | 0.87 in (2022) |
| March 26 | — | — | 0.78 in (1997) |
| March 27 | — | — | 1.19 in (2002) |
| March 28 | — | — | 0.92 in (2017) |
| March 29 | — | — | 1.48 in (2024) |
| March 30 | — | — | 2.13 in (1993) |
| March 31 | — | — | 3.70 in (2010) |