Rhode Island Nature Guide: December 2026
Data updated: August 2026Sources & method · Corrections
December settles Rhode Island into winter — short days, cold off the water, and the bay alive with sea ducks. The harlequins ride the surf at Sachuest, the Christmas Bird Counts tally the season's birds, and the long, clear nights bring the brilliant winter sky and the year's best meteor shower over the ocean.
Week by week in December
December 3–9
- Harlequin ducks are back on the rocks at Sachuest, joined by the full cast of wintering sea ducks in the bay.
- Eastern redcedar is blue with berry-like cones and winterberry scarlet in the swamps — the season's living color.
- Leave snow as insulation over perennials and turn to planning, tool care, and seed catalogs.
December 10–16
- The Geminid meteor shower peaks around December 14 — the year's best, with dozens of bright meteors per hour from a dark site.
- Christmas Bird Count season begins; razorbills and the occasional dovekie pass on a seawatch from Beavertail.
- Fresh quahogs, oysters, and shellfish from the bay are the centerpiece of the holiday winter markets.
December 17–23
- The winter solstice brings the longest nights; the Winter Hexagon wheels up over the ocean with brilliant Sirius.
- Purple sandpipers cling to the jetties, and great cormorants stand on the channel markers in the cold bay.
- Eastern white pine, pitch pine, redcedar, and American holly hold the winter landscape and the holiday greenery.
December 24–31
- Feeders stay busy with chickadees, titmice, nuthatches, and cardinals, and finch flocks may hold irruptive redpolls.
- No butterflies fly — eggs, chrysalises, and hibernating mourning cloaks wait out the cold across the frozen landscape.
- Red maples already carry the swelling flower buds that will open into the first crimson bloom of the new year.
Birds This Month
December is full winter birding on Narragansett Bay. The harlequin ducks are back on the rocks at Sachuest Point, joined by the full cast of wintering sea ducks — all three scoters, common eiders, long-tailed ducks, buffleheads, common goldeneyes, and red-breasted mergansers. Loons, horned and red-necked grebes, great cormorants, and purple sandpipers on the jetties round out the saltwater birds, and razorbills and the occasional dovekie pass on a seawatch from Beavertail.
December is also Christmas Bird Count season, when Rhode Island's circles tally the wintering birds; feeders are busy with chickadees, titmice, nuthatches, juncos, cardinals, white-throated sparrows, and goldfinches, with red-bellied woodpeckers and Carolina wrens increasingly regular. Watch beaches and dunes for a snowy owl in an irruption year, and check finch flocks for irruptive redpolls and pine siskins when the boreal cone crop fails.
This month's tip: join a local Christmas Bird Count or simply scan the bay from Sachuest on a calm December morning — the wintering harlequins and rafts of sea ducks are one of the Ocean State's signature winter wildlife sights.
What's Blooming
Nothing blooms outdoors in a Rhode Island December — the ground is frozen and the garden is fully dormant. The winter landscape offers fruit, bark, and structure instead: the brilliant scarlet of winterberry holly standing leafless in the wet swamps and the bright stems of red-osier dogwood along the marshes are the season's strongest color, joined by the blue berries of eastern redcedar, the orange-red hips of dune rosa rugosa, and the persistent bittersweet of the field edges.
The tan, dried seed heads of goldenrod, asters, and grasses stand through the snow, feeding sparrows and finches and catching the low winter light. Evergreen American holly, mountain laurel, and princess pine club mosses bring greenery to the woodland floor and the holiday season. Indoors, this is the heart of the amaryllis, paperwhite, and poinsettia season, and the start of the seed-catalog dreaming that carries gardeners through the dark months.
Garden This Month
December gardening in Rhode Island happens indoors. The beds are frozen statewide, so this is the planning and reflection month: review what worked, order seeds and plan next year's layout, and check any stored bulbs, dahlia tubers, and tender roots for rot. On a mild day it's the safe dormant window to prune apples, pears, and oaks, and to cut evergreen boughs and holly for holiday decorating.
Outdoors, leave fallen snow over perennial beds and garlic — it's the best insulation a garden gets, buffering the freeze-thaw cycles that, in Rhode Island's maritime climate, do more harm than cold alone. Gently knock heavy, wet snow off arborvitae and evergreen branches to prevent breakage, and check that coastal shrubs are sheltered from drying winter wind and salt spray off the bay. Keep an eye on overwintering houseplants in the low light, and clean, sharpen, and oil tools before the new season.
Zone 6a (inland northwest): the garden is fully dormant and likely snow-covered — leave the snow as insulation over perennials and garlic. This is planning and tool-care season; order seeds early and confirm winter mulch is in place.
Zone 7a (coast & Aquidneck Island): the ocean-moderated coast freezes latest and may see a few hardy greens persist under cover early in the month. Protect evergreens from drying salt wind, and otherwise turn to planning, pruning on mild days, and tool maintenance.
What's at the Farmers Market
December markets in Rhode Island are winter markets, carried by indoor markets in Providence and Pawtucket and storage-crop farm stands. The durable harvest holds: storage onions, garlic, potatoes, carrots, beets, turnips, parsnips, cabbage, and winter squash, all keeping well from the fall, plus local apples and cider from cold storage and cranberries for the holidays.
The bay supplies the season's centerpiece: fresh Rhode Island quahogs, oysters, and shellfish at their cold-water best for holiday tables, sold at fish markets statewide. Greenhouse growers offer cold-season greens and herbs, and you'll find honey, eggs, cheese, baked goods, holiday wreaths, and evergreen greenery. Choose firm, heavy roots and squash with no soft spots; store roots somewhere cool, dark, and humid and squash cool and dry. Choose cranberries that are firm, glossy, and bounce, and refrigerate or freeze them; keep apples cold for lasting crispness.
Night Sky This Month
December brings the winter solstice and Rhode Island's longest nights, and the brilliant winter sky is back in full. Orion climbs the southeastern sky in the early evening, his belt pointing down to Sirius and up to orange Aldebaran in Taurus beside the Pleiades cluster. The great Winter Hexagon of bright stars wheels up over the ocean, and Gemini, Auriga, and Capella ride high.
The Geminid meteor shower peaks around December 14 and is the best of the year — dozens of bright, slow meteors per hour from a dark site, radiating from Gemini high overhead and visible all night, weather permitting. Dress warmly and watch from the dark South County beaches or Block Island for the finest show. The cold, dry air after a cold front gives some of the steadiest, most transparent skies of the year over the bay and ocean.
For exact planet positions and this year's Geminid peak timing, see the printable Rhode Island night-sky guide for your part of the state.
Butterflies & Pollinators
There are no butterflies on the wing in a Rhode Island December — the cold and short days have ended all flight. The state's butterflies are deep in their winter dormancy, hidden across the frozen landscape in the form each species uses to survive: the monarchs are clustered far away in the oyamel fir forests of central Mexico, while Rhode Island's resident species wait out the cold as eggs cemented to twigs, as chrysalises tucked in the leaf litter and grass, and as sheltering adults. Mourning cloaks, eastern commas, and question marks ride out the winter as adults wedged behind loose bark and in woodpiles and sheds, their natural antifreeze carrying them to the first warm days of spring. December is the season to plan next year's butterfly garden — native milkweed, parsley-family herbs, and a long succession of native nectar plants like seaside goldenrod and asters — and to leave leaf litter and standing stems undisturbed to shelter the dormant insects.
What to plant for them is in the Rhode Island native plants guide
Trees This Month
Rhode Island's trees are fully dormant in December, and the evergreens hold the winter landscape. Eastern white pine carries its soft blue-green needles across the uplands, the rugged pitch pine stands on the coastal sandplains, and the blue-berried eastern redcedar and broad-leaved American holly bring green and color to old fields, shorelines, and the holiday season. The hardwoods stand bare, their winter silhouettes readable — the smooth gray bark of American beech, the shaggy shagbark hickory, and the spreading crowns of old white oaks.
Young oaks and beeches still rattle their tan, marcescent leaves in the wind, and the buds are set and waiting on every twig, packed tight against the cold. In the swamps, the gray-limbed red maples already carry the swelling flower buds that will, in just two or three months, open into the first crimson bloom of the new year — the state tree quietly holding spring in reserve through the depths of the coastal winter.
The Rhode Island native plants guide covers what grows with them
Weather & Daylight
Across Rhode Island, a typical December day averages a high near 43°F and a low near 26°F, with about 4.8 inches of precipitation — statewide averages from the 1991–2020 U.S. climate normals.
Winter returns hard, with 43F afternoons and 26F nights, steady rounds of cold rain or snow closing out the year.
| Average high | 43°F |
|---|---|
| Average low | 26°F |
| Precipitation | 4.8 in |
| Sunrise (mid-month) | 7:06 ET |
| Sunset (mid-month) | 16:17 ET |
Figures are statewide averages over the 1991–2020 U.S. climate normals; local conditions vary with elevation and distance from the coast. Sunrise and sunset are computed for a midstate point on the 15th (ET).
Next month's version of this page, by email
One short note when Rhode Island's next month turns — what's arriving, blooming, and worth a night outside.
Go deeper with the Rhode Island guides
The complete Rhode Island birding, native-plant, and night-sky references — or the whole year, week by week, in one book.
Same month elsewhere: December in South Carolina · December in South Dakota · December in Tennessee