Discover the best time of year, based on historical climate, temperature, and precipitation.
The best weather in Plymouth is from June, July, August. — consistent weather climate
🌦Humid
| Score | 10 | 12 | 13 | 33 | 74 | 81 | 79 | 82 | 78 | 61 | 31 | 10 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Climate | Cold | Cold | Cold | Cold | Mild | Humid | Humid | Pleasant | Humid | Cool & rainy | Cold | Cold |
| Temperature | -3–4°C | -3–5°C | 0–7°C | 5–12°C | 10–18°C | 15–23°C | 20–27°C | 19–26°C | 16–22°C | 10–17°C | 4–11°C | 0–6°C |
| Feels like | -9–-1°C | -9–0°C | -5–3°C | 1–9°C | 7–17°C | 14–24°C | 21–29°C | 20–28°C | 15–23°C | 8–15°C | 0–8°C | -5–2°C |
| Precipitation | 125mm 12 days | 100mm 11 days | 116mm 11 days | 110mm 11 days | 93mm 9 days | 86mm 9 days | 99mm 9 days | 78mm 9 days | 107mm 9 days | 119mm 10 days | 86mm 7 days | 129mm 11 days |
| Sunshine | 5.7h ☀︎ 60% | 6.3h ☀︎ 59% | 7.8h ☀︎ 65% | 8.0h ☀︎ 60% | 9.5h ☀︎ 65% | 11.3h ☀︎ 74% | 11.3h ☀︎ 76% | 10.8h ☀︎ 78% | 8.9h ☀︎ 71% | 7.5h ☀︎ 68% | 6.6h ☀︎ 67% | 5.5h ☀︎ 60% |
| Wind | W · 26 km/h | W · 26 km/h | W · 26 km/h | W · 24 km/h | SW · 22 km/h | SW · 20 km/h | SW · 20 km/h | SW · 19 km/h | NW · 21 km/h | W · 23 km/h | W · 24 km/h | W · 24 km/h |
| Humidity (%) | 70% | 71% | 69% | 72% | 75% | 76% | 78% | 78% | 78% | 77% | 71% | 73% |
| Day length | 9.5h | 10.6h | 12.0h | 13.4h | 14.6h | 15.2h | 14.9h | 13.8h | 12.5h | 11.1h | 9.8h | 9.2h |
Held on the Saturday before Thanksgiving, this parade and reenactment celebrates Plymouth's role as the birthplace of th…
A standard forecast will point you toward August for the warmest Atlantic surf, but June is Plymouth's undisputed champion: radiant, breezy, and miraculously spared from the crush of midsummer crowds.
Plymouth wears its legacy heavily, cast in bronze, granite, and primary school mythology as the cradle of English settlement in New England. But step past the schoolbook aura and you find a working coastal town governed by the mood of the Atlantic. Salt air rolls off Plymouth Bay, lilacs spill over granite retaining walls, and wooden clapboards weather against centuries of nor'easters. Most travelers make the mistake of timing their arrival around the calendar extremes—either swarming the waterfront in July and August or braving the biting chill of Thanksgiving. To experience the coast at its most generous, you have to look just outside those frenzied peaks.
If you look purely at temperature readouts, August appears to take the prize with its warm ocean breezes and dry afternoons. But that analysis misses how Plymouth actually breathes. By late summer, the narrow sidewalks along Water Street are jammed elbow-to-elbow, tour coaches idle by the harbor, and finding an open bench near Plymouth Rock becomes an exercise in patience. June delivers virtually identical sunshine—more than eleven hours of daylight illuminating the coastline—without the stifling coastal humidity or the sheer weight of peak-season throngs.
In June, the air feels crisp in the morning and comfortably warm by noon, hovering in the low twenties before settling into cool, clear evenings. The town feels awake and unhurried. You can wander up Leyden Street, the oldest continuously inhabited street in New England, without ducking tour flags, and sit beside Town Brook in Brewster Gardens as the willows trail into the rushing freshwater. The Atlantic breeze carries the clean scent of low tide and sea roses rather than sunblock and diesel fumes. It is the single window where Plymouth feels like an intimate seaside village rather than a national monument on display.
May offers the precursor to this golden spell, though it requires a light wool sweater. The gardens along the historic downtown awaken, dogwoods flower against dark timber facades, and the harbour begins to fill with returning skiffs. While the bay water remains bracingly cold, May provides the first genuine burst of spring sunshine, offering quiet walks through Pilgrim Memorial State Park before the summer influx arrives in earnest.
July and August are the months when Plymouth operates at maximum volume. Families flock to the South Shore, the beaches fill by mid-morning, and the town center pulses with energy. Afternoon temperatures push into the high twenties, and when the humidity gathers over Cape Cod Bay, the air can feel dense and heavy. Relief comes strictly from the water, whether wading along Plymouth Beach or catching the southwest chop across the harbor.
There is an undeniable maritime appeal to this period if you embrace the bustling atmosphere. Lobster shacks hum, harbor ferries churn white wakes across the bay, and the long twilight keeps Cole's Hill lively well after dark. August brings slightly drier air and marginally warmer swimming than July, making it the preferred month for spending entire days out on the sand spit of Plymouth Long Beach.
Yet the trade-off is constant friction. Waterfront parking vanishes early, and the sense of historic contemplation gives way to lively seaside vacationing. If you visit in midsummer, align your day with the tides and the sun: explore the historic heights of Burial Hill in the early morning stillness, retreat inland during the midday swelter, and return to the water only when the evening breeze cuts the heat.
September is Plymouth's best-kept secret. As soon as Labour Day passes, the summer crowds disperse almost overnight, leaving behind warm seawater, mellow sunshine, and wide-open coastal paths. The daytime air remains pleasantly mild, while the evenings turn brisk enough for flannel. Walking the length of Plymouth Beach in mid-September feels like a private privilege, with shorebirds wheeling over the flats and the bay shimmering in soft, low-angled light.
October introduces the classic New England autumn, though on this coastal fringe, the maritime climate delays the foliage slightly compared to the inland hills. Crimson and gold creep into the scrub oaks and maples surrounding Town Brook. The air turns pungent with fallen leaves, woodsmoke, and ocean brine. Rain showers become slightly more frequent, sweeping in as sudden squalls from the northeast, but the drama of the grey Atlantic crashing against the seawall has its own stark beauty.
For travelers who value long, contemplative walks and empty historic lanes over sunbathing, October offers rich rewards. You can stand atop Cole's Hill looking out across the vacant harbor with only the wind for company, capturing the solitary, forbidding mood the coast must have presented four centuries ago.
November in Plymouth is entirely defined by one event: America's Hometown Thanksgiving Celebration. Held on the Saturday before Thanksgiving, this parade and reenactment draws massive crowds from across the Northeast. The waterfront along Water Street fills with costumed Pilgrims, Indigenous Wampanoag participants, marching bands, and spectators bundled in thick parkas. The streets take on a festive, communal atmosphere that feels genuinely unique to this corner of the country.
Outside of that festival weekend, November is an austere and atmospheric month. Temperatures drop sharply toward the single digits, apparent temperatures bite with coastal windchill, and the sun sinks low by late afternoon. The Atlantic turns slate grey. It is not a month for gentle seaside strolls, but it provides the most authentic historical context you will find all year. Standing on Burial Hill under an overcast November sky, listening to the dry rattle of oak leaves and the distant moan of harbor buoys, the sheer audacity of the early settlement finally makes visceral sense.
Winter along Plymouth Bay is raw, windy, and uncompromising. Between December and February, damp ocean gales drive apparent temperatures below freezing, turning salt spray to ice along the breakwater. Despite the harsh climate, visitors still arrive in surprising numbers during December and February, drawn by holiday heritage tours and long weekend escapes from nearby Boston. When the snow settles over the gravestones of Burial Hill and coats the deck of historic ships, the town looks like a living lithograph.
January and March are quieter, emptier, and bleak. Freezing rain and sleet regularly batter the South Shore, and the wind off the bay cuts straight through down jackets. Many seasonal seaside businesses shutter their doors entirely, leaving the harbor strip dormant. April brings the beginnings of a thaw, with temperatures climbing toward twelve degrees, but spring arrives slowly on the coast. Relentless damp breezes and frequent drizzling rain mean outdoor comfort remains elusive until May.
Unless you specifically crave the brooding romance of an icy Atlantic coastline, winter is a season to experience indoors, gathered near a working fireplace while the nor'easters rattle the windowpanes.