Last updated: April 14, 2025
Discover the unique climate of Dominica, characterized by year-round warmth and significant humidity. Temperatures hover between a minimum of 22°C (71°F) in February, particularly in Saint Luke, and a peak of 29°C (84°F) in the vibrant month of September in Saint Joseph. The island experiences varying rainfall throughout the year, with a low of just 33 mm (1.3 in) in April in Saint Joseph and an impressive 167 mm (6.6 in) in the rainier October months in Saint Luke. Humidity levels range from an average minimum of 77% in February to a maximum of 84% in the sultry month of July, offering a distinctly tropical experience for residents and visitors alike.
Dominica boasts a tropical rainforest climate, classified as Af according to the Köppen-Geiger system, permeating every corner of the island, from Saint Andrew to Saint Peter. This means that visitors can expect lush, vibrant landscapes nourished by abundant rainfall and warm temperatures year-round. Each parish, including Saint David and Saint Joseph, showcases the island’s rich biodiversity, making Dominica a true paradise for nature lovers. The consistent climate encourages the growth of diverse flora and fauna, providing a stunning backdrop for unforgettable adventures. Whether you're wandering through the rainforests of Saint George or exploring the coasts of Saint Patrick, the island's climate enhances every experience.
| Climate Zone | Description |
|---|---|
| Af | Tropical rainforest climate with no dry season and high temperatures year-round. |
Dominica's temperature remains pleasantly warm throughout the year, with monthly averages exhibiting a gentle upward trend as the year progresses. In January, minimum temperatures hover at a comfortable 22°C (72°F), peaking at 27°C (80°F) in Saint Joseph. As February and March roll in, the minima remain steady at 22°C (71-72°F), while maxima slightly dip to 26°C (80°F). By April, temperatures start to rise, with lows of 22°C (73°F) and highs reaching 27°C (81°F). May marks a noticeable increase; minimums rise to 23°C (74°F) and maximums hit 28°C (82°F) in Saint Paul. The heat intensifies in the summer months, as July and August see minimums of 24°C (76°F) paired with maximums peaking at 29°C (84°F) in Saint Joseph. September and October maintain this warmth, with lows of 24-25°C (76-77°F) and highs consistent at 29°C (84°F), leading into a slightly cooler November. As the year closes, December brings a dip back to minimums of 23°C (73°F) and maximums of 28°C (82°F), yet the overall trend reflects a tropical paradise, inviting visitors to bask in its temperate embrace.
Dominica experiences notable variations in precipitation patterns that reflect its tropical climate. On average, rainfall is relatively modest in April, with a minimum of 33 mm (1.3 in) recorded in Saint Joseph, while October sees a dramatic increase to a maximum of 167 mm (6.6 in) in Saint Luke, marking it as one of the wettest months. The frequency of rainy days also varies significantly; for instance, May has a minimum of just 10 days of precipitation in Saint Joseph, but July experiences a peak with up to 25 rainy days in Saint Luke. These trends underscore the island’s dry and wet seasons, with the latter often delivering intense rainfall and contributing to the lush landscapes that Dominica is renowned for.
In Dominica, humidity levels exhibit a notable seasonal trend, peaking in the warm summer months. In February, the humidity reaches a minimum of 77% in Saint Joseph, providing a relatively drier climate as the island enjoys cooler temperatures. However, as July rolls around, humidity climbs to a maximum of 84% in the same region, reflecting the tropical heat and the lush, verdant landscapes that thrive in such conditions. This shift underscores the island's vibrant climate, where the summer months bring a muggy warmth that is distinctly characteristic of Dominica's tropical environment.
In April, both Saint Andrew and Saint Luke experience an average daily maximum UV index of 14, highlighting a significant trend across Dominica. This consistent UVI level suggests that residents and visitors alike should take precautionary measures against sun exposure during this month. As the sun's intensity peaks, understanding these UV index patterns becomes crucial for protecting skin health and preventing sun-related ailments. Embracing this knowledge can greatly enhance outdoor activities while ensuring safety under Dominica's vibrant sun.
UV Risk Categories
Sunshine duration in Dominica reveals a fascinating seasonal trend, starting with a consistent 267 hours of sun in January for both Saint Andrew and Saint Joseph. As the year progresses into May, the island basks in significantly more sunlight, with Saint Luke enjoying 356 hours and Saint Joseph edging slightly ahead at 359 hours. This dramatic increase highlights the vibrant energy of Dominica’s late spring, inviting visitors to bask in the sun during the peak of the warm season.
The likelihood of sunny weather in Dominica varies significantly throughout the year and across different regions. For instance, in February, the charm of sunny days shines brightest in Saint Joseph, boasting an impressive 72% likelihood of sunshine. However, by June, this sunny trend takes a dip in Saint Andrew, where the chances of basking in bright weather fall to just 29%. This contrast highlights the dynamic climate of the island, inviting visitors to choose their travel dates wisely to make the most of the sun-drenched paradise.
In Dominica, daylight hours vary significantly between seasons, reflecting the island's tropical climate. In December, residents of Saint Joseph experience around 11 hours of daylight, as shorter days mark the tail end of the year. In contrast, by June, the daylight extends to approximately 13 hours, ushering in the vibrant summer months when the sun lingers longer in the sky. This trend highlights the island's dynamic transition from the cooler, shorter days of winter to the warm, sun-drenched days of summer, inviting both locals and visitors to embrace the beauty of each season.
Nestled in the heart of Dominica, Saint Andrew boasts a tropical climate that sets a perfect stage for year-round exploration. With average temperatures lingering between 24°C to 27°C (75°F to 81°F), visitors can enjoy warm days softened by gentle breezes. However, the island's charm is complemented by its rainfall, particularly from June to October, where it can reach up to 152 mm (6.0 in) in October, contributing to the lush, vibrant landscapes. Humidity hovers around 80%, enhancing the feeling of being enveloped in nature's embrace. Discover more about this enchanting locale and its delightful weather at Saint Andrew climate.
Saint David, Dominica boasts a tropical climate characterized by warm temperatures and moderate humidity throughout the year. Average daily temperatures range from a pleasant 24°C (75°F) in cooler months like February to a balmy 27°C (81°F) during the summer months of July and August. While the area enjoys sunshine, it also sees increased precipitation, particularly from June to October, with August recording the highest rainfall at 145 mm (5.7 in). Humidity generally hovers around 80%, making the air feel refreshingly tropical, especially after a rain shower. For more detailed information, visit the Saint David climate page.
Nestled in the lush landscapes of Dominica, Saint George enjoys a pleasantly tropical climate year-round. Temperatures range from a comfortable 22°C (72°F) in January to a warm 29°C (84°F) in August, making it ideal for outdoor adventures. While the humidity hovers around 78% to 84%, the occasional rain showers—especially from June to October—bring much-needed relief, nourishing the vibrant flora. For a more detailed look, check out the Saint George climate page. Embrace the tropical feel with both warmth and a refreshing breeze!
Saint John, Dominica, boasts a tropical climate characterized by mild temperatures and regular rainfall throughout the year. With average temperatures ranging from 25°C (77°F) in winter months to 27°C (81°F) during the summer, visitors can expect warmth and comfort year-round. However, be prepared for increased precipitation from June to October, with August and September experiencing the heaviest downpours. Humidity tends to hover around 80%, enhancing the lush environment Dominica is known for. For those keen to explore more about the weather patterns, check out the detailed Saint John climate.
Nestled in the lush paradise of Dominica, Saint Joseph enjoys a wonderfully warm climate year-round, with average temperatures hovering around 25°C (77°F). January through March sees mild weather, perfect for exploring the area, while the summer months of July and August bring slightly warmer days, peaking at 29°C (84°F). Rainfall varies throughout the year, with the heaviest showers occurring from August to October, adding a rich vibrancy to the landscape—perfect for nature enthusiasts. The humidity levels remain high, averaging around 80%, particularly in the rainy season, contributing to the lush, green scenery that Dominica is famous for. For more details on this tropical haven, visit Saint Joseph climate.
Nestled in the lush landscapes of Dominica, Saint Luke boasts a tropical climate characterized by warm temperatures and a notable humidity that ranges from 77% in February to 84% in July. Throughout the year, average temperatures hover between 24°C (76°F) and 27°C (81°F), perfect for enjoying outdoor adventures. Although rainfall is more frequent from June to October, with August receiving up to 150 mm (5.9 in), a refreshing shower often gives way to sunny skies. Whether exploring the vibrant flora or lounging on the beach, the climate of Saint Luke ensures a year-round paradise. For more details, check out the Saint Luke climate.
Nestled in the heart of Dominica, Saint Mark boasts a tropical climate that delights visitors year-round. With average temperatures ranging comfortably from 24°C (76°F) to 28°C (83°F), the island maintains a warm embrace, even during the cooler months of January and February. However, prepare for the occasional rainfall, particularly from June through October, where precipitation can exceed 150 mm (5.9 in) in August alone. Humidity levels hover around 80%, adding to the lush, vibrant atmosphere of this idyllic locale. For more details, explore the Saint Mark climate.
Nestled in the lush landscapes of Dominica, Saint Patrick boasts a delightful climate characterized by warm temperatures year-round. Averaging between 24°C to 27°C (75°F to 81°F), the area provides a tropical haven where the warmth is complemented by high humidity levels, peaking in the summer months. Although rainfall varies significantly, with October often experiencing the heaviest showers at 167 mm (6.6 in), the lush environment that results is breathtaking. Visitors can expect a vibrant blend of sunshine and refreshing rain, making each season unique. For a more detailed overview, check the Saint Patrick climate.
Nestled in the heart of the Caribbean, Saint Paul, Dominica enjoys a consistently mild climate throughout the year, characterized by average temperatures ranging from 25°C (77°F) to 28°C (82°F). While January through April presents pleasant warmth with lower humidity, the summer months of June to October bring increased humidity and rainfall, peaking in August with 130 mm (5.1 in) of rain. Despite the rain, the vibrant landscape thrives, showcasing lush greenery against the warm temperatures. For more detailed insights into the weather patterns and conditions, check out the Saint Paul climate.
Saint Peter, Dominica, boasts a tropical climate characterized by warm temperatures year-round. January through April sees pleasant averages around 25°C (77°F), while the heat peaks in July and August, with average temperatures reaching up to 27°C (81°F). Rainfall varies, with the wettest months occurring from June to October, accumulating around 122 mm (4.8 in) in October. Humidity levels remain consistently high, particularly in the summer months, often exceeding 80%. For a more detailed look at the weather throughout the year, explore the Saint Peter climate.
Dominica's climate is characterized by warm temperatures and significant humidity, creating a tropical paradise that varies throughout the year. The minimum temperature hovers around 22°C (71°F) in February at Saint Luke, while maximums can reach up to 29°C (84°F) in September at Saint Joseph. This warmth is often accompanied by substantial rainfall, with precipitation peaking at 167 mm (6.6 in) in October at Saint Luke and dipping to a relatively dry 33 mm (1.3 in) in April at Saint Joseph. Humidity levels also fluctuate throughout the year, ranging from an average minimum of 77% in February in Saint Joseph to a maximum of 84% in July, contributing to the lush, vibrant ecosystem that defines this beautiful island. Overall, the interplay of temperature, precipitation, and humidity shapes a unique climate that nurtures both diverse flora and fauna, making Dominica a must-visit destination for nature enthusiasts.