July 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

What is the warmest month in Roseau?

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

What is the temperature in July in Roseau?

The average high-temperature, in July, in Roseau, is 31°C (87.8°F), while the average low-temperature is 23°C (73.4°F).

How many days does it rain in July in Roseau?

In Roseau, Dominica, in July, it is raining for 21 days, with typically 108mm (4.3") of accumulated precipitation.

What is the water temperature in July in Roseau?

In Roseau, Dominica, in July, the average water temperature is 28°C (82.4°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.
Average temperature in July - Roseau, Dominica
  • Average high temperature in July: 31°C

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).

  • Average low temperature in July: 23°C

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

Average rainfall in July - Roseau, Dominica
  • Average rainfall in July: 108mm

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

Average rainfall days in July - Roseau, Dominica
  • Average rainfall days in July: 21 days

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

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

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

Average daylight in July / Average sunshine in July - Roseau, Dominica
  • Average daylight in July: 12.9h

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

  • Average sunshine in July: 8h

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

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

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).

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