Massachusetts weather in May: Statewide normals and every place, NOAA 1991-2020
In May, Massachusetts's statewide normal high is 68°F and normal low 46°F; normal highs run from 61°F in Nantucket to 73°F in Maynard (NOAA 1991-2020 normals).
- Statewide normal high
- 68°FMay, 1991-2020
- Statewide normal low
- 46°FMay, 1991-2020
- Statewide normal precipitation
- 3.70 inMay
- Warmest place
- 73°Fnormal high, Maynard
- Coolest place
- 61°Fnormal high, Nantucket
Where is Massachusetts warmest and wettest in May?
Maynard has the warmest May afternoons (73°F) and Nantucket the coolest (61°F). Lenox gets the most precipitation (4.15 in) and Nantucket the least (2.98 in).
Statewide, May averaged 57.6°F in 2021, 59.8°F in 2022, 56.3°F in 2023, 59.9°F in 2024, 58.3°F in 2025, 57.1°F in 2026, against a 1991-2020 normal of 56.9°F.
| Place | High | Low | Precip. | Snow |
|---|---|---|---|---|
| Boston | 67°F | 50°F | 3.25 | 0.0 |
| Worcester | 67°F | 47°F | 3.56 | 0.0 |
| Lowell | 70°F | 45°F | 3.81 | – |
| Brockton | 70°F | 47°F | 3.44 | 0.0 |
| New Bedford | 67°F | 46°F | 3.29 | – |
| Lawrence | 69°F | 48°F | 3.39 | – |
| Haverhill | 68°F | 45°F | 4.08 | 0.0 |
| Taunton | 70°F | 46°F | 3.21 | – |
| Barnstable | 63°F | 48°F | 3.42 | 0.0 |
| Beverly | 67°F | 47°F | 3.42 | – |
| Pittsfield | 67°F | 44°F | 3.79 | – |
| Fitchburg | 70°F | 46°F | 3.60 | – |
| Amherst | 70°F | 45°F | 3.71 | 0.0 |
| Westfield | 72°F | 46°F | 3.71 | – |
| Norwood | 71°F | 48°F | 3.30 | – |
| Bridgewater | 68°F | 45°F | 3.79 | – |
| Reading | 70°F | 47°F | 3.81 | 0.0 |
| Marblehead | 65°F | 45°F | 3.48 | 0.0 |
| Southbridge | 69°F | 46°F | 3.74 | 0.0 |
| Greenfield | 70°F | 45°F | 3.98 | – |
| North Adams | 69°F | 44°F | 3.73 | – |
| Nantucket | 61°F | 47°F | 2.98 | – |
| Maynard | 73°F | 45°F | 3.67 | – |
| Plymouth | 67°F | 46°F | 3.54 | – |
| Walpole | 70°F | 48°F | 3.59 | 0.0 |
| Hingham | 69°F | 48°F | 3.78 | 0.0 |
| Orange | 70°F | 46°F | 3.24 | – |
| East Sandwich | 65°F | 47°F | 3.88 | – |
| Vineyard Haven | 65°F | 46°F | 3.26 | – |
| Belchertown | 68°F | 45°F | 3.57 | 0.0 |
| Lenox | 69°F | 43°F | 4.15 | – |
| Chatham | 62°F | 48°F | 3.34 | – |
| Woods Hole | 64°F | 48°F | – | – |
| Edgartown | 65°F | 49°F | 3.74 | 0.0 |
| Barre | 70°F | 43°F | 3.68 | 0.0 |
| Ashburnham | 66°F | 44°F | 4.02 | 0.1 |
| Ashburnham N | 66°F | 44°F | 4.10 | – |
| Bedford | 70°F | 46°F | 3.76 | 0.0 |
| Bedford Hanscom Field | 70°F | 47°F | 3.36 | – |
| Birch Hill Dam | 68°F | 44°F | 3.59 | 0.0 |
| Blue Hill | 67°F | 47°F | 3.80 | 0.0 |
| Buffumville Lake | 69°F | 45°F | 3.60 | 0.0 |
| East Brimfield Lake | 68°F | 46°F | 3.48 | 0.0 |
| East Hawley | 63°F | 40°F | – | – |
| East Wareham | 66°F | 48°F | 3.80 | 0.0 |
| Groveland | 69°F | 46°F | 3.83 | 0.0 |
| Hyannis Barnstable Municipal Airport | 65°F | 48°F | 3.42 | – |
| Jamaica Plain | 69°F | 48°F | 3.64 | – |
| Leverett #2 | 70°F | 45°F | 3.82 | – |
| Middleboro | 67°F | 46°F | 3.59 | 0.0 |
| Middleton | 67°F | 45°F | 3.73 | 0.0 |
| NWS Boston/Norton | 68°F | 47°F | 3.32 | – |
| Natick | 68°F | 46°F | 3.78 | 0.0 |
| Norton W | 69°F | 46°F | 3.62 | 0.0 |
| Rochester | 68°F | 47°F | 3.58 | 0.0 |
| Rowe (3 mi NE) | 63°F | 42°F | 4.01 | – |
| Tully Lake | 71°F | 47°F | 3.51 | 0.0 |
| West Harwich | 62°F | 48°F | 3.50 | – |
| West Medway | 71°F | 46°F | 3.94 | 0.0 |
| Worthington | 67°F | 43°F | 4.20 | 0.1 |
Source: NOAA NCEI nClimDiv statewide normals; NOAA NCEI 1991-2020 monthly normals for each station.