March weather forecast
Dominica

As March unfolds in Dominica, the last phase of the dry season is in full swing. Although the month sees a slight increase in rainfall compared to February, the total precipitation remains relatively low, typically ranging from 90mm (3.54") to 130mm (5.12"). This minor increase in rainfall does not significantly impact outdoor activities and explorations.

Roseau, Portsmouth, and Marigot, the primary cities of Dominica, follow the same weather pattern. Visitors can continue to enjoy city tours, engaging with local traditions, and sampling regional gastronomy with little interference from the weather.

In terms of temperature, March witnesses a slight upward trend. The average daytime temperature sits between 24°C (75.2°F) and 30°C (86°F), making it one of the warmer months of the year. However, the evenings bring a soothing coolness with temperatures dipping to 23°C (73.4°F).

Comparatively, March is warmer and a bit wetter than February. It serves as a transitional period between the dry season and the impending wet season. As the island nation moves into April, there is a further increase in temperature and rainfall, indicating the gradual end of the dry season and the beginning of the wet season.

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• Roseau - March »
  February and March, with an average sea temperature of 26°C (78.8°F), are months with the coldest seawater in Roseau, Dominica. In Roseau in March, the average water temperature is 26°C (78.8°F).
• Portsmouth - March »
  Portsmouth's entry into March measures an average high-temperature of a still moderately hot 29°C (84.2°F), matching the preceding month's conditions. In Portsmouth in March, it is raining for 15 days, with typically 110mm (4.33") of accumulated precipitation.
• Marigot - March »
  In Marigot, during March, the rain falls for 16.6 days and regularly aggregates up to 33mm (1.3") of precipitation. The advent of March in Marigot brings an average high-temperature of a still warm 26.4°C (79.5°F), almost identical to the preceding month.
• Berekua - March »
  The months with the lowest humidity in Berekua are January through March, with an average relative humidity of 75%. In Berekua the coldest period comes during February and March, when the average high-temperature touches 26.3°C (79.3°F).
• Mahaut - March »
  In Mahaut in March, during 18.1 rainfall days, 27mm (1.06") of precipitation is typically accumulated. Mahaut's coldest months, February and March, record an average high-temperature of 26.4°C (79.5°F).
• Wesley - March »
  On the last day of March, in Wesley, sunrise is at 06:00 and sunset at 18:17 AST. March introduces a bit of variability to the Wesley climate, as sea temperatures slightly ascend to 26.9°C (80.4°F).
• Soufriere - March »
  The coldest period in Soufriere falls in February and March, when the average high-temperature reaches 26.4°C (79.5°F). In Soufriere, during March, the rain falls for 18.1 days and regularly aggregates up to 27mm (1.06") of precipitation.
• Castle Bruce - March »
  In Castle Bruce, Dominica, in March, it is raining for 16.6 days, with typically 33mm (1.3") of accumulated precipitation. On the last day of March, in Castle Bruce, sunrise is at 06:00 and sunset at 18:17 AST.
• La Plaine - March »
  January through March, with an average relative humidity of 75%, are the least humid months in La Plaine, Dominica. January through March, with an average relative humidity of 75%, are the least humid months in La Plaine.
• Pointe Michel - March »
  On the first day of March in Pointe Michel, sunrise is at 06:22 and sunset at 18:13. In Pointe Michel, in March, the average water temperature is 26.9°C (80.4°F).
• Woodford Hill - March »
  The months with the lowest humidity in Woodford Hill are January through March, with an average relative humidity of 75%. January through March, with an average relative humidity of 75%, are the least humid months in Woodford Hill.
• Colihaut - March »
  In Colihaut in March, during 16.2 rainfall days, 27mm (1.06") of precipitation is typically accumulated. The transition to March in Colihaut presents a marginally warmer climate with temperatures levelling up from the previous month, despite the overall humidity remaining constant.