Monthly weather forecast and climate
Roseau, Dominica

A calm, clear waterfront in the valley city of Roseau, Dominica, with mountains afar
A calm, clear waterfront in the valley city of Roseau, Dominica, with mountains afar
January, the same as December, is another warm winter month in Roseau, Dominica, with average temperature fluctuating between 21°C (69.8°F) and 29°C (84.2°F). January, February and December, with an average high-temperature of 29°C (84.2°F), are the coldest months. In January, in Roseau, the rain falls for 18 days. Weather in January »

February, the last month of the winter, in Roseau, is another warm month, with average temperature varying between 21°C (69.8°F) and 29°C (84.2°F). January, February and December, with an average high-temperature of 29°C (84.2°F), are the coldest months. Weather in February »

March, the first month of the spring, in Roseau, is a hot month, with average temperature varying between 30°C (86°F) and 21°C (69.8°F). In Roseau, Dominica, the average high-temperature is relatively the same as in February - a tropical 30°C (86°F). Weather in March »

April, like March, is another tropical spring month in Roseau, Dominica, with average temperature varying between 22°C (71.6°F) and 30°C (86°F). In April, the average high-temperature remains equal as in March - a still hot 30°C (86°F). Weather in April »

May, the last month of the spring, in Roseau, is another hot month, with temperature in the range of an average high of 31°C (87.8°F) and an average low of 23°C (73.4°F). May through October, with an average high-temperature of 31°C (87.8°F), are the warmest months. In Roseau, during 17 rainfall days, 137mm (5.39") of precipitation is typically accumulated. Weather in May »

The first month of the summer, June, is still a tropical month in Roseau, Dominica, with temperature in the range of an average low of 23°C (73.4°F) and an average high of 31°C (87.8°F). The warmest months are May through October, with an average high-temperature of 31°C (87.8°F). In Roseau, in June, it is raining for 19 days, with typically 185mm (7.28") of accumulated precipitation. Weather in June »

July, the same as June, in Roseau, Dominica, is another hot summer month, with temperature in the range of an average high of 31°C (87.8°F) and an average low of 23°C (73.4°F). The warmest months are May through October, with an average high-temperature of 31°C (87.8°F). Weather in July »

August, the last month of the summer, in Roseau, is another tropical month, with temperature in the range of an average low of 24°C (75.2°F) and an average high of 31°C (87.8°F). May through October, with an average high-temperature of 31°C (87.8°F), are the warmest months. Weather in August »

The first month of the autumn, September, is still a hot month in Roseau, Dominica, with average temperature fluctuating between 23°C (73.4°F) and 31°C (87.8°F). The warmest months are May through October, with an average high-temperature of 31°C (87.8°F). Weather in September »

October, like September, is another hot autumn month in Roseau, Dominica, with temperature in the range of an average high of 31°C (87.8°F) and an average low of 23°C (73.4°F). May through October, with an average high-temperature of 31°C (87.8°F), are the warmest months. Weather in October »

The last month of the autumn, November, is another hot month in Roseau, Dominica, with average temperature ranging between min 22°C (71.6°F) and max 30°C (86°F). In Roseau, the average high-temperature in November is essentially the same as in October - a still tropical 30°C (86°F). Weather in November »

December, the first month of the winter, in Roseau, is also a moderately hot month, with temperature in the range of an average low of 21°C (69.8°F) and an average high of 29°C (84.2°F). January, February and December, with an average high-temperature of 29°C (84.2°F), are the coldest months. Weather in December »

What are the coldest months in Roseau?

January, February and December, with an average high-temperature of 29°C (84.2°F), are the coldest months in Roseau, Dominica.

How many days does it rain in Roseau?

Throughout the year, in Roseau, there are 218 rainfall days, and 1996mm (78.58") of precipitation is accumulated.

What is the month with the least sunshine in Roseau?

January, February, September through December, with an average of 7h of sunshine, are months with the least sunshine in Roseau, Dominica.

What is the driest month in Roseau?

February and April are months with the least rain in Roseau when the rain falls for 14 days and typically aggregates up to 87mm (3.43") of rain.

What are the months with the coldest sea water in Roseau?

February and March, with an average sea temperature of 26°C (78.8°F), are months with the coldest seawater in Roseau.

What are the months with the most sunshine in Roseau?

March through August, with an average of 8h of sunshine, are months with the most sunshine.

When is the highest UV index in Roseau?

March through September, with an average maximum UV index of 12, are months with the highest UV index in Roseau, Dominica.

What are the warmest months in Roseau?

May through October, with an average high-temperature of 31°C (87.8°F), are warmest months in Roseau.

When are the longest days in Roseau?

With an average of 13h of daylight, June has the longest days of the year.

What months are the sea warmest in Roseau?

September and October, with an average sea temperature of 29°C (84.2°F), are months with the warmest seawater.

What is the rainiest month in Roseau?

November is the month with the most rainfall. Rain falls for 19 days and accumulates 252mm (9.92") of precipitation.

What is the month with the shortest days in Roseau?

With an average of 11.2h of daylight, December has the shortest days of the year in Roseau, Dominica.

What is the month with the lowest UV index in Roseau?

With an average maximum UV index of 8, December is the month with the lowest UV index.
Average temperature - Roseau, Dominica

The warmest months (with the highest average high temperature) are May, June, July, August, September and October (31°C).
Months with the lowest average high temperature are January, February and December (29°C).

The month with the highest average low temperature is August (24°C).
The coldest months (with the lowest average low temperature) are January, February, March and December (21°C).

Average rainfall - Roseau, Dominica

The wettest month (with the highest rainfall) is November (252mm).
The driest months (with the least rainfall) are February and April (87mm).

Average rainfall days - Roseau, Dominica
Average sea temperature - Roseau, Dominica

The best months for swimming (with the highest average sea temperature) are September and October (29°C).
The coldest months (with the lowest average sea temperature) are February and March (26°C).

Average daylight / Average sunshine - Roseau, Dominica

The month with the longest days is June (Average daylight: 13h).
The month with the shortest days is December (Average daylight: 11.2h).

Months with the most sunshine are March, April, May, June, July and August (Average sunshine: 8h).
Months with the least sunshine are January, February, September, October, November and December (Average sunshine: 7).

Average UV index - Roseau, Dominica

Months with the highest UV index are March, April, May, June, July, August and September (UV index 12).
The month with the lowest UV index is December (UV index 8).