Climate · Dominica

Roseau

Warm all year, wet from July to December and drier from March to May.

Typical weather, averaged over 30 years15.3°N10 m above the sea
  1. Jan82°28°75°24°Rain on about five days a week.
  2. Feb82°28°74°23°Rain on about four days a week.
  3. Mar82°28°74°23°Rain on about four days a week.
  4. Apr84°29°75°24°Rain on about four days a week.
  5. May85°29°77°25°Rain on about four days a week.
  6. Jun86°30°78°26°Rain on about five days a week.
  7. Jul86°30°77°25°Rain on about six days a week.
  8. Aug86°30°78°26°Rain on about six days a week.
  9. Sep86°30°78°26°Rain on about five days a week.
  10. Oct86°30°78°26°Rain on about six days a week.
  11. Nov85°29°77°25°Rain on about six days a week.
  12. Dec83°28°76°24°Rain on about five days a week.
Each month: its typical high and low, and dots for wet days a week. Tap a month to open it.The best months

Highs hardly move, between 82°F and 86°F all year, with nights near 76°F. The rain comes from July to December, on about five days a week. March to May is the driest stretch, with rain on about four days a week. Daylight runs from about 11 hours in December to 13 hours in June.Highs hardly move, between 28°C and 30°C all year, with nights near 24°C. The rain comes from July to December, on about five days a week. March to May is the driest stretch, with rain on about four days a week. Daylight runs from about 11 hours in December to 13 hours in June.

Where Roseau sits

America/Dominica

this place
typical high in Januarytypical high in Februarytypical high in Marchtypical high in Apriltypical high in Maytypical high in Junetypical high in Julytypical high in Augusttypical high in Septembertypical high in Octobertypical high in Novembertypical high in December 40°F4°C95°F35°C
Latitude
15.3°Nnorthern hemisphere
Above the sea
10 mlow-lying
Sunrise, mid-JanuarySunrise, mid-FebruarySunrise, mid-MarchSunrise, mid-AprilSunrise, mid-MaySunrise, mid-JuneSunrise, mid-JulySunrise, mid-AugustSunrise, mid-SeptemberSunrise, mid-OctoberSunrise, mid-NovemberSunrise, mid-December
6:35 AM6:31 AM6:14 AM5:52 AM5:37 AM5:35 AM5:43 AM5:51 AM5:54 AM5:57 AM6:08 AM6:24 AMsets 5:53 PMsets 6:09 PMsets 6:16 PMsets 6:20 PMsets 6:27 PMsets 6:36 PMsets 6:40 PMsets 6:30 PMsets 6:08 PMsets 5:46 PMsets 5:33 PMsets 5:37 PM
Nearest of ours
our one place here

The land around Roseau, shaded by its typical high in January, the planning map's own layer.The land around Roseau, shaded by its typical high in February, the planning map's own layer.The land around Roseau, shaded by its typical high in March, the planning map's own layer.The land around Roseau, shaded by its typical high in April, the planning map's own layer.The land around Roseau, shaded by its typical high in May, the planning map's own layer.The land around Roseau, shaded by its typical high in June, the planning map's own layer.The land around Roseau, shaded by its typical high in July, the planning map's own layer.The land around Roseau, shaded by its typical high in August, the planning map's own layer.The land around Roseau, shaded by its typical high in September, the planning map's own layer.The land around Roseau, shaded by its typical high in October, the planning map's own layer.The land around Roseau, shaded by its typical high in November, the planning map's own layer.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.

Through the year

week by week

Temperature

Highs from 82°F in January and February to 86°F in August and September.Highs from 28°C in January and February to 30°C in August and September.

Chance of a wet day

Wettest in August (83% of days), driest in March (53%).

Cloud cover

Clearest in January (38% cover), cloudiest in October (68%).

Daylight

From 11h 14m in December to 13h 01m in June.

Week by week, lightly smoothed. Shading marks the seasons; the olive line, the best months. Hover or tap a week for its figures.

Month by month

°F°C

Roseau, month by month: the typical high and low, wet days a week, cloud cover and daylight.
MonthTypical low to highWet days a weekCloudDaylight
JanuaryAt its best
75°24°82°28°
5 days38%11h 20m
FebruaryAt its best
74°23°82°28°
4 days40%11h 37m
MarchDry seasonAt its best
74°23°82°28°
4 days43%12h 02m
AprilDry seasonAt its best
75°24°84°29°
4 days52%12h 28m
MayDry season
77°25°85°29°
4 days62%12h 50m
June
78°26°86°30°
5 days64%13h 01m
JulyRainy season
77°25°86°30°
6 days55%12h 56m
AugustRainy season
78°26°86°30°
6 days59%12h 37m
SeptemberRainy season
78°26°86°30°
5 days67%12h 11m
OctoberRainy season
78°26°86°30°
6 days68%11h 45m
NovemberRainy season
77°25°85°29°
6 days60%11h 24m
DecemberRainy season
76°24°83°28°
5 days43%11h 14m

When is the best time to visit Roseau?


The best months are January to April: highs near 82°F, nights near 75°F, and rain on about four days a week.The best months are January to April: highs near 28°C, nights near 24°C, and rain on about four 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.

Questions


What is the warmest month in Roseau?

August and September, with highs near 86°F and lows near 78°F. The coolest are January and February, with highs near 82°F.August and September, with highs near 30°C and lows near 26°C. The coolest are January and February, with highs near 28°C.

When does it rain most in Roseau?

August, with rain on about six days a week. March is the driest, with rain on about four days a week.

How long are the days in Roseau?

From about 11 hours in December to 13 hours in June.

When are the skies clearest in Roseau?

January, when cloud covers about 38% of the sky on average. October is the cloudiest, at about 68%.

Places with a year like Roseau's

by their highs, lows and wet days

Their highs, lows, wet days and cloud run closest to Roseau's through the year, one place a country. “Six months apart”: their winter is Roseau's summer.

Where to stay

1 in our collection

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.