June weather forecast
Roseau, Dominica

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A calm, clear waterfront in the valley city of Roseau, Dominica
A calm, clear waterfront in the valley city of Roseau, Dominica

Weather in June

June brings a mix of heat, rain, and sun to Roseau, Dominica, heralding the onset of summer. Weather conditions remain relatively constant compared to May, offering a degree of predictability. A notable rise in rainfall makes the city's natural beauty even more lush and vibrant. The sea remains warm, inviting visitors to cool off after a day under the high-intensity sun. As the UV index continues to peak, the need for diligent sun care practices remains high.

Temperature

Roseau's temperatures tend to hit their maximum during May through October, with an average high-temperature of 31°C (87.8°F).

Rainfall

In Roseau, in June, it is raining for 19 days, with typically 185mm (7.28") of accumulated precipitation. Throughout the year, there are 218 rainfall days, and 1996mm (78.58") of precipitation is accumulated.

Sea temperature

In Roseau, Dominica, in June, the average water temperature is 28°C (82.4°F).
Note: Swimming, diving, and other water endeavors at temperatures between 25°C (77°F) and 29°C (84.2°F) are considered enjoyable and satisfying for extended periods without discomfort.

Daylight

With an average of 13h and 0min of daylight, June has the longest days of the year in Roseau.
On the first day of the month, sunrise is at 05:34 and sunset at 18:32. On the last day of June, sunrise is at 05:38 and sunset at 18:40 AST.

Sunshine

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

UV index

March through September, with an average maximum UV index of 12, are months with the highest UV index in Roseau. A UV Index value of 11, and more, symbolizes an extreme health hazard from exposure to the Sun's UV radiation for average individuals.
Note: The daily high UV index of 12 in June translates into this advice:
Put into action all important safeguards, unprotected skin may burn swiftly. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Even under cloud cover, use sunscreen with at least an SPF 30 generously and reapply frequently post every swim or outdoor exercise. Alert! Sand and water increase UV exposure due to their reflective properties.

Frequently asked questions

What are the warmest months in Roseau?

Roseau experiences the peak of its temperatures in May through October, when the average high-temperatures rise to 31°C (87.8°F).

How hot is it in Roseau in June?

June temperatures in Roseau vary between a high-temperature of 31°C (87.8°F) and a low-temperature of 23°C (73.4°F).

How much does it rain in Roseau in June?

In Roseau, Dominica, in June, during 19 rainfall days, 185mm (7.28") of precipitation is typically accumulated.

What is the water temperature in June in Roseau?

In Roseau, Dominica, in June, the average water temperature is 28°C (82.4°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

When are the longest days in Roseau?

June has the longest days of the year in Roseau, with an average of 13h and 0min of daylight.

What is the average length of the day in June in Roseau?

In Roseau, the average day length in June is 13h and 1min.

When are sunrise and sunset in June in Roseau?

In June, on the first day of the month, sunrise is at 05:34 and sunset at 18:32. On the last day of the month, in Roseau, Dominica, sunrise is at 05:38 and sunset at 18:40 AST.

What is the month with the most sunshine in Roseau?

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

How long on average sun shines in June in Roseau?

In June, the average sunshine duration is 8h.

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

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

How high is the UV index in June in Roseau?

In June, the average daily maximum UV index in Roseau is 12. A UV Index reading of 11, and higher, represents an extreme health threat from exposure to Sun's UV rays.
Average rainfall days
Average daylight
Average sunshine
Average UV index

Average temperature in June
Roseau, Dominica

Average temperature in June - Roseau, Dominica
  • Average high temperature in June: 31°C

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

  • Average low temperature in June: 23°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 in June
Roseau, Dominica

Average rainfall in June - Roseau, Dominica
  • Average rainfall in June: 185mm

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 in June
Roseau, Dominica

Average rainfall days in June - Roseau, Dominica
  • Average rainfall days in June: 19 days

The month with the highest number of rainy days is September (23 days).
The months with the least rainy days are February and April (14 days).

Average sea temperature in June
Roseau, Dominica

Average sea temperature in June - Roseau, Dominica
  • Average sea temperature in June: 28°C

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 in June /
Average sunshine in June
Roseau, Dominica

Average daylight in June / Average sunshine in June - Roseau, Dominica
  • Average daylight in June: 13h and 0min

The month with the longest days is June (Average daylight: 13h and 0min).
The month with the shortest days is December (Average daylight: 11h and 12min).

  • Average sunshine in June: 8h

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

Average UV index in June
Roseau, Dominica

Average UV index in June - Roseau, Dominica
  • Average UV index in June: 12

The 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).

Roseau, Dominica

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