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Climate · Westerly

Westerly in December

Chilly and damp, as the days hold steady.

Typical weather, averaged over 30 years

December in Westerly is chilly: highs near 47°F, lows near 33°F. Rain falls on about three days a week, and daylight holds at about 9 hours 14 minutes.December in Westerly is chilly: highs near 8°C, lows near 1°C. Rain falls on about three days a week, and daylight holds at about 9 hours 14 minutes.

High
47°F8°Caverage
Low
33°F1°Caverage
Wet days
3a week · 36% of days
Daylight
9h 14mon average

Is December a good time to visit Westerly?

December sits outside Westerly's best months, which run in two parts: June, or September. Expect chilly days and rain on about three days a week.

How we judge it: every month is scored on how close its typical high comes to the range from 70°F to 80°F, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.How we judge it: every month is scored on how close its typical high comes to the range from 21°C to 27°C, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.

How December sits in the year

week by week

Temperature

Highs near 47°F in December, against 42°F to 83°F through the year.Highs near 8°C in December, against 6°C to 28°C through the year.

Chance of a wet day

36% of days in December, against 29% to 38% through the year.

Cloud cover

55% cover in December, against 40% to 56% through the year.

Daylight

9h 14m in December, against 9h 14m to 15h 07m through the year.

Week by week, lightly smoothed, with December shaded. The olive line marks the best months. Hover or tap a week for its figures.

Either side

  1. November57°14°low 43°low 6°2 wet days a weekRain on about two days a week.
  2. December47°8°low 33°low 1°3 wet days a weekRain on about three days a week.
  3. January42°6°low 27°low -3°3 wet days a weekRain on about three days a week.

Where Westerly sits, in December

America/New York
this place
typical high in December 40°F4°C95°F35°C
Sunrise, mid-December
7:06 AMsets 4:19 PM
Above the sea
0 mlow-lying
Latitude
41.4°Nnorthern hemisphere
Nearest of ours
Amherst125 km north-west

The land around Westerly, shaded by its typical high in December, the planning map's own layer. Hover the map for the figure at that spot; tap it on a phone. Clock times are local, for the 15th.

Elsewhere in United States in December

high · low · wet days
See December on the planning mapThe whole year in Westerly

Typical weather, averaged over 30 years (1995–2024), from the 11 km grid square nearest Westerly. Temperatures are adjusted against 66 weather stations: daytime highs read about 3.1°F cold in the source data and are raised to match.Temperatures are adjusted against 66 weather stations: daytime highs read about 1.7°C cold in the source data and are raised to match. Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not. Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.

Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not.

Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.