ClimateExplore the planning map
Climate · Roseau

Roseau in December

Warm and wet, as the days hold steady.

Typical weather, averaged over 30 years

December in Roseau is warm: highs near 83°F, lows near 76°F. Rain falls on about five days a week, and daylight holds at about 11 hours 14 minutes.December in Roseau is warm: highs near 28°C, lows near 24°C. Rain falls on about five days a week, and daylight holds at about 11 hours 14 minutes.

High
83°F28°Caverage
Low
76°F24°Caverage
Wet days
5a week · 72% of days
Daylight
11h 14mon average

Is December a good time to visit Roseau?

A good month, just outside Roseau's best months, which run from January to April.

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 83°F in December, against 82°F to 86°F through the year.Highs near 28°C in December, against 28°C to 30°C through the year.

Chance of a wet day

72% of days in December, against 53% to 83% through the year.

Cloud cover

43% cover in December, against 38% to 68% through the year.

Daylight

11h 14m in December, against 11h 14m to 13h 01m 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. November85°29°low 77°low 25°6 wet days a weekRain on about six days a week.
  2. December83°28°low 76°low 24°5 wet days a weekRain on about five days a week.
  3. January82°28°low 75°low 24°5 wet days a weekRain on about five days a week.

Where Roseau sits, in December

America/Dominica
this place
typical high in December 40°F4°C95°F35°C
Sunrise, mid-December
6:24 AMsets 5:37 PM
Above the sea
10 mlow-lying
Latitude
15.3°Nnorthern hemisphere
Nearest of ours
our one place here

The land around Roseau, 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. Roseau is our one place in Dominica so far. Clock times are local, for the 15th.

See December on the planning mapThe whole year in Roseau

Typical weather, averaged over 30 years (1995–2024), read 9 km east of Roseau. Its own grid square is mostly sea and holds only a daily average, so the page reads the nearest square with a true high and low near the town's height. Temperatures are adjusted against 66 weather stations: daytime highs read about 3.1°F cold in the source data and are raised to match, and both highs and lows are adjusted for the town's height (10 m) against the climate model's (221 m).Temperatures are adjusted against 66 weather stations: daytime highs read about 1.7°C cold in the source data and are raised to match, and both highs and lows are adjusted for the town's height (10 m) against the climate model's (221 m). 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.