New Hampshire weather in May: Statewide normals and every place, NOAA 1991-2020
In May, New Hampshire's statewide normal high is 66°F and normal low 41°F; normal highs run from 64°F in Colebrook to 71°F in Hanover (NOAA 1991-2020 normals).
- Statewide normal high
- 66°FMay, 1991-2020
- Statewide normal low
- 41°FMay, 1991-2020
- Statewide normal precipitation
- 3.92 inMay
- Warmest place
- 71°Fnormal high, Hanover
- Coolest place
- 64°Fnormal high, Colebrook
Where is New Hampshire warmest and wettest in May?
Hanover has the warmest May afternoons (71°F) and Colebrook the coolest (64°F). Lincoln gets the most precipitation (4.21 in) and Lebanon the least (3.32 in).
Statewide, May averaged 54.5°F in 2021, 57.2°F in 2022, 52.9°F in 2023, 57.4°F in 2024, 54.7°F in 2025, 53.0°F in 2026, against a 1991-2020 normal of 53.7°F.
| Place | High | Low | Precip. | Snow |
|---|---|---|---|---|
| Manchester | 70°F | 48°F | 3.38 | – |
| Nashua | 69°F | 46°F | 3.63 | – |
| Concord | 69°F | 44°F | 3.47 | 0.0 |
| Rochester | 67°F | 45°F | 3.52 | – |
| Keene | 69°F | 41°F | 3.77 | 0.0 |
| Laconia | 68°F | 45°F | 3.47 | 0.0 |
| Lebanon | 70°F | 44°F | 3.32 | – |
| Durham | 66°F | 44°F | 3.80 | – |
| Berlin | 67°F | 37°F | 3.48 | – |
| Milford | 69°F | 45°F | 3.35 | 0.0 |
| Franklin | 68°F | 43°F | 3.62 | – |
| Hanover | 71°F | 46°F | 3.34 | 0.0 |
| Hudson | 69°F | 46°F | 3.64 | 0.0 |
| Newport | 66°F | 42°F | 3.33 | 0.0 |
| Plymouth | 67°F | 39°F | 3.70 | 0.0 |
| Meredith | 67°F | 45°F | 3.76 | 0.0 |
| Jaffrey | 67°F | 44°F | 3.64 | – |
| Epping | 68°F | 44°F | 3.76 | 0.0 |
| North Conway | 68°F | 43°F | 3.68 | 0.0 |
| Lancaster | 66°F | 39°F | 3.76 | 0.1 |
| Gorham | 67°F | 42°F | 3.61 | – |
| Whitefield | 67°F | 39°F | 3.78 | – |
| Colebrook | 64°F | 37°F | 3.99 | 0.1 |
| Greenville | 66°F | 42°F | 3.73 | 0.0 |
| Bethlehem | 67°F | 39°F | 3.69 | 0.4 |
| Lincoln | 66°F | 42°F | 4.21 | – |
| Walpole | 67°F | 44°F | 3.44 | – |
| Bradford | 66°F | 43°F | 3.83 | 0.1 |
| Benton (5 mi SW) | 64°F | 42°F | 3.45 | 0.1 |
| East Milford | 68°F | 46°F | 3.54 | 0.0 |
| East Sandwich | 68°F | 42°F | 3.94 | – |
| Errol Airport | 63°F | 39°F | 3.63 | – |
| First Connecticut Lake | 62°F | 38°F | 4.47 | 1.0 |
| Grafton | 66°F | 40°F | 3.18 | – |
| Greenland | 66°F | 45°F | 3.95 | 0.0 |
| Hopkinton Lake | 69°F | 43°F | 3.67 | – |
| Jaffrey Silver Ranch Airpark | 68°F | 45°F | 3.75 | – |
| Jefferson | 64°F | 42°F | 3.80 | 0.5 |
| Massabesic Lake | 67°F | 46°F | 3.37 | 0.0 |
| Mount Sunapee | 66°F | 44°F | 3.91 | 0.0 |
| Mount Washington | 43°F | 30°F | 7.68 | 12.9 |
| North Stratford | 66°F | 40°F | 3.70 | 0.1 |
| Pinkham Notch | 62°F | 39°F | 5.48 | 0.6 |
| Salisbury | 67°F | 41°F | 4.10 | – |
| Tamworth 4 | 66°F | 40°F | 3.76 | 0.0 |
| Waterville Valley Nepp | 63°F | 40°F | 4.16 | – |
| Weare | 67°F | 45°F | – | – |
| Weare (2 mi NE) | 68°F | 46°F | 3.61 | – |
| Wentworth | 68°F | 40°F | 3.56 | 0.1 |
| West Hampstead | 68°F | 44°F | 4.02 | 0.0 |
| York Pond | 63°F | 39°F | 4.39 | 0.4 |
Source: NOAA NCEI nClimDiv statewide normals; NOAA NCEI 1991-2020 monthly normals for each station.