Monthly climate guide

Roseau weather in March

With highs near 27°C (80°F) and lows around 25°C (77°F), March feels warm in Roseau. Rainfall averages about 50 mm (some rain) and the sky is a mix of sun and cloud. Daytime highs are about the same as February and about the same as April.

What stands out in March

It's humid — around 77% — so the heat feels heavier.
March sits in Roseau's drier season — usually a comfortable time to visit.
March is among Roseau's three coolest months.
Days and nights are close, only about 2°C apart.

Avg high

27°C

80°F

Avg low

25°C

77°F

Rainfall

50 mm

some rain

Humidity

77%

relative

Sky

44%

cloud · a mix of sun and cloud

Live Roseau forecast Where else to go in March

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Roseau weather by month

Low → high °C Rain (mm)

Show the monthly averages as a table

Average monthly climate in Roseau
Month	Avg high	Avg low	Rain	Humidity	Cloud cover
January	27°C / 80°F	25°C / 77°F	54 mm	77%	39%
February	26°C / 80°F	25°C / 76°F	38 mm	76%	36%
March	27°C / 80°F	25°C / 77°F	50 mm	77%	44%
April	27°C / 81°F	26°C / 78°F	83 mm	77%	54%
May	28°C / 82°F	26°C / 79°F	113 mm	79%	61%
June	28°C / 83°F	27°C / 80°F	123 mm	79%	64%
July	28°C / 83°F	27°C / 81°F	141 mm	80%	54%
August	29°C / 83°F	27°C / 81°F	178 mm	81%	51%
September	29°C / 84°F	27°C / 81°F	171 mm	80%	55%
October	29°C / 83°F	27°C / 81°F	157 mm	80%	55%
November	28°C / 82°F	27°C / 80°F	158 mm	80%	50%
December	27°C / 81°F	26°C / 78°F	98 mm	78%	42%

What to pack for March

T-shirts plus a light layer for the evening
Comfortable trainers or sandals for long walks
A small travel umbrella, just in case
Quick-dry fabrics — it feels stickier than the temperature suggests

Full season-by-season packing guide →

Is March a good time to visit Roseau?

Compare the months in the chart above to find your ideal window.

Best time to visit Roseau →

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Roseau weather in March. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/dominica/roseau/march

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Roseau in March: quick answers

Is March a good time to visit Roseau?

Yes. March is one of the best months for Roseau, with highs around 27°C and about 50 mm of rain.

How warm is Roseau in March?

Average highs are about 27°C (80°F) and average lows about 25°C (77°F), based on 10 years of daily data.

Does it rain a lot in Roseau in March?

Roseau typically gets around 50 mm of rain in March — some rain.

Figures are long-term averages for the area around Roseau (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.