Monthly climate guide

Roseau weather in July

July in Roseau is typically hot, with average daytime highs around 28°C (83°F) and night-time lows near 27°C (81°F). The month usually brings about 141 mm of rain (wet) and is a mix of sun and cloud. Daytime highs are about the same as June and about the same as August.

What stands out in July

Even after dark it stays around 27°C, so sleeping can feel warm.
Days and nights are close, only about 1°C apart.
It's humid — around 80% — so the heat feels heavier.

Avg high

28°C

83°F

Avg low

27°C

81°F

Rainfall

141 mm

wet

Humidity

80%

relative

Sky

54%

cloud · a mix of sun and cloud

Live Roseau forecast Where else to go in July

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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 July

Light, breathable clothing (cotton or linen)
A sun hat and high-SPF sunscreen
A refillable water bottle
A compact umbrella or packable rain jacket
Water-resistant shoes
Quick-dry fabrics — it feels stickier than the temperature suggests

Full season-by-season packing guide →

Is July 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 July. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/dominica/roseau/july

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Roseau in July: quick answers

Is July a good time to visit Roseau?

July is one of the wetter months in Roseau, with about 141 mm of rain. You can still go: pack a rain jacket and keep plans flexible.

How warm is Roseau in July?

Average highs are about 28°C (83°F) and average lows about 27°C (81°F), based on 10 years of daily data.

Does it rain a lot in Roseau in July?

Roseau typically gets around 141 mm of rain in July — wet.

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.