Climate and monthly weather forecast

Flag of Dominica
Flag of Dominica

The climate of Dominica

Dominica, nestled between Guadeloupe and Martinique in the Eastern Caribbean, is a captivating blend of lush mountains, tropical rainforests, and vibrant coral reefs. Its geographical location exposes it to the warm tropical maritime climate, typical for Caribbean islands. The island experiences a tropical savanna climate with a dry winter season, classified as 'Aw' under the Köppen-Geiger climate classification system. The annual temperature remains consistent, with an average of 26°C throughout the year. Dominica's climate varies little seasonally, with moderate to high humidity and regular precipitation, except during the dry season from January to April. The wet season spans from June to November, coinciding with the Atlantic hurricane season. The island receives copious rainfall, ranging from 1,780mm to 7,500mm annually, depending on the location. The east coast is generally drier, while the interior mountains receive the highest precipitation.

The best time to visit Dominica

Ideal visiting times for Dominica largely depend on personal preferences and interests. Nevertheless, the period from December to April, also known as the dry season, is the most popular among tourists. During this time, the island experiences less rain, making it ideal for outdoor activities like hiking, beach visits, and exploration of the lush tropical rainforests. Temperatures range from 24°C to 29°C, offering a warm and inviting climate perfect for vacationing. Moreover, this period is outside the hurricane season, adding a degree of safety to the travel plans.

The worst time to visit Dominica

The most challenging time to visit Dominica is from June to November, which aligns with the hurricane season. Even though the average temperatures remain pleasant between 25°C and 30°C, the high risk of hurricanes and tropical storms can lead to travel disruptions. This period is also the wettest time of the year with precipitation levels exceeding 200mm per month, especially in the mountainous regions. Consequently, outdoor activities may be hindered due to weather conditions, reducing the overall tourist experience.

Spring weather in Dominica

Dominica does not have a traditional spring season due to its tropical climate. Instead, it experiences a transition from the dry season to the wet season. From March to May, the temperatures remain warm, averaging between 24°C and 29°C, and the island begins to see a gradual increase in rainfall. April and May, in particular, mark the end of the dry season and the beginning of the wet season. However, this transition period is still a suitable time for outdoor activities as the rainfall is yet to reach its peak.

Summer weather in Dominica

Summer in Dominica, from June to August, coincides with the beginning of the hurricane season. Despite this, the island maintains a warm temperature ranging from 25°C to 30°C. The rainfall increases significantly during this period, especially in the interior regions, making some outdoor activities challenging. However, the heavy rainfall contributes to the lush greenery of the rainforests and fills up rivers and waterfalls, enhancing their beauty.

Autumn weather in Dominica

Autumn, or fall, in Dominica stretches from September to November. This period marks the peak of the hurricane season and is typically the wettest period of the year. Rainfall during these months can reach up to 260mm, particularly in the mountainous areas. However, the temperatures remain relatively constant, averaging between 25°C and 30°C. Despite the unpredictable weather, this period showcases Dominica's flora and fauna at its peak, as the high rainfall nourishes the tropical rainforests.

Winter weather in Dominica

The winter months, from December to February, signal the start of the dry season in Dominica. During this time, the island sees a significant decrease in rainfall with precipitation levels dropping below 100mm monthly. The average temperature hovers between 24°C and 29°C, providing a warm and comfortable environment. These conditions, coupled with the conclusion of the hurricane season, make the winter months an ideal time for tourists to explore Dominica's natural beauty.

Weather in January

January in Dominica is typically one of the driest and coolest months of the year. As the start of the year coincides with the dry season, rainfall is considerably reduced compared to other months, providing a more comfortable environment for outdoor activities. Weather in January »

Weather in February

February continues the dry season trend in Dominica, maintaining lower rainfall levels and pleasant temperatures. During this month, the island experiences an average rainfall of about 80mm to 100mm. This is marginally less compared to January, solidifying February as a relatively dry month, suitable for outdoor explorations and activities. Dominica's major cities, including Roseau, Portsmouth, and Marigot, remain in sync with the island-wide climate. Weather in February »

Weather in March

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 to 130mm. Weather in March »

Weather in April

April in Dominica signifies the end of the dry season and the onset of the wet season. As the transition month, April experiences a notable increase in precipitation compared to March, with rainfall averages reaching between 100mm and 150mm. Weather in April »

Weather in May

May in Dominica serves as the doorway to the island's wet season, with a significant increase in rainfall compared to April. Average precipitation for the month ranges from 150mm to 200mm. The rainfall tends to be scattered and more frequent, yet it rarely spoils the enjoyment of outdoor activities, thanks to the warm temperatures and the island's abundant natural beauty. The major cities, Roseau, Portsmouth, and Marigot, follow the same weather trend, receiving increased rainfall while maintaining warm temperatures. Weather in May »

Weather in June

June in Dominica marks the start of the Atlantic hurricane season and the progression of the wet season. Rainfall increases significantly compared to May, with an average precipitation ranging from 180mm to 250mm. The increase in rainfall makes June one of the wetter months of the year, yet the showers are often short-lived and the sun usually appears afterwards, maintaining the island's vibrant tropical appeal. Cities like Roseau, Portsmouth, and Marigot mirror this weather pattern, experiencing an increase in rainfall but also maintaining warm temperatures. Weather in June »

Weather in July

July in Dominica brings the full force of the wet season, coupled with the continuation of the Atlantic hurricane season. Average rainfall for July is substantial, with levels ranging from 200mm to 270mm. Despite the significant increase in rainfall, showers often come in bursts and give way to sunshine, highlighting the lush tropical landscapes of the island. Dominica's primary cities, including Roseau, Portsmouth, and Marigot, experience the same climatic conditions. Weather in July »

Weather in August

In Dominica, August signals a minor reprieve within the wet season and the ongoing Atlantic hurricane season. The month sees a slight decrease in rainfall compared to July, with precipitation levels dropping to between 180mm and 240mm. Weather in August »

Weather in September

September in Dominica continues the trend set by August, remaining part of the wet season and the active Atlantic hurricane season. The island experiences rainfall similar to that of August, with precipitation levels hovering between 180mm and 250mm. Weather in September »

Weather in October

October in Dominica represents the gradual easing of the wet season and the final phase of the Atlantic hurricane season. Rainfall in October sees a slight decrease compared to September, with average precipitation levels falling between 160mm and 220mm. Weather in October »

Weather in November

November in Dominica serves as a transitional period, marking the end of the wet season and the onset of the dry season. The month sees a substantial decrease in rainfall compared to October, with average precipitation levels dropping to between 120mm and 180mm. Weather in November »

Weather in December

December in Dominica ushers in the full swing of the dry season. The month experiences the least amount of rainfall for the year, with precipitation levels dropping to between 90mm and 140mm. These conditions allow for extended periods of sunshine, highlighting the island's tropical allure and providing ideal conditions for outdoor exploration and activities. The weather patterns in the major cities, including Roseau, Portsmouth, and Marigot, align with the overall climate of the island. Weather in December »


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