Last updated: August 21, 2025
In December, Roseau, Dominica experiences a warm tropical climate characterized by a maximum temperature of 28°C (82°F) and an average of 26°C (79°F), while the minimum temperature hovers around 24°C (75°F). This month sees 53 mm (2.1 in) of precipitation spread across 18 days, contributing to a humidity level of 79%. Visitors can expect a blend of sunny intervals and occasional rain, making December a vibrant time to explore this Caribbean gem. Whether you're enjoying the lush landscapes or experiencing local festivities, the weather offers a pleasant backdrop for all adventures.
In December, Roseau, Dominica, experiences pleasant temperatures that invite residents and visitors to enjoy the tropical charm of the island. With minimums averaging around 24°C (75°F) and reaching maximums of 28°C (82°F), the weather remains comfortably warm. This month is marked by a slight increase in average temperature, peaking at 26°C (79°F), as the island transitions into the cooler season. December's climate mirrors the previous months, maintaining a steady warmth that makes exploring the lush landscapes and vibrant culture of Dominica all the more enjoyable. The consistent temperatures create an inviting atmosphere for outdoor adventures, festive celebrations, and relaxation by the sea.
In Roseau, Dominica, December brings a moderate shift in precipitation patterns, with 53 mm (2.1 in) of rain falling over 18 days. This is a noticeable decrease from the peak months of August and September, which recorded over 100 mm of rainfall. Despite the decline, December still exhibits a significant amount of rainfall compared to the drier months at the beginning of the year, such as January and February, both of which average around 36 mm (1.4 in). The trend showcases a transition from the lush, wet summer months into a more balanced rainy season, leading into the dryer months of early spring. Overall, while December maintains a healthy level of precipitation, it signals the beginning of a gradual easing in rainfall, paving the way for drier days ahead.
In Roseau, Dominica, December ushers in a humidity level of 79%, a slight dip from the preceding months. This marks a transition after the peak humidity often experienced during the summer, where levels reached 84% in July. From January to April, humidity remains relatively stable at around 78%, reflecting the island's consistent tropical climate. As the year progresses into late spring and early summer, humidity rises gradually, reaching its seasonal height in July and August before tapering off to 80% in the fall. December's humidity, while lower than in peak months, still reflects the island's characteristic lushness and warmth, creating a comforting atmosphere as the year draws to a close.
In Roseau, Dominica, the UV Index in December registers at a manageable 9, categorizing it as very high with a burn time of just 15 minutes. This marks a slight decline from the extreme levels observed throughout the peak months of April to July, where the UV Index surged to 14. Interestingly, while the UV Index dips a bit in December, it still reflects the overarching trend of high UV levels throughout the year, emphasizing the importance of sun safety even as we approach the year's end. For more detailed information on UV levels throughout the year, visit Roseau UV Index.
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As the year draws to a close, December in Roseau, Dominica shines brightly with an impressive 329 hours of sunshine. This month stands out as an ideal transition into the new calendar year, capturing the essence of the island's vibrant climate. The data reveals a steady trend of sunlight throughout the year, with December following a pattern of abundant sunshine that peaks in spring and early summer. Notably, May showcases the year’s highest sunshine total at 357 hours, while March closely follows with 347 hours. This rhythmic ebb and flow of light highlights the Caribbean's enchanting weather, making Roseau a perfect destination for those seeking a warm and sun-kissed escape during the holiday season.
In December, Roseau, Dominica enjoys a 67% chance of sunny weather, making it one of the brighter months as the year winds down. This marks an upward trend from the cooler months preceding it, with November also showcasing a pleasant 66% sun likelihood. While the rainy season typically lingers, December’s sunny disposition is a welcome contrast to the earlier, cloudier summer months, such as June with only 31% sunshine. Overall, as December approaches, visitors can anticipate a higher likelihood of basking in the sun, making it an ideal time for outdoor activities and exploring the vibrant beauty of the island.
In Roseau, Dominica, December sees a return to 11 hours of daylight, echoing the shorter days of January and February. This pattern reflects a gradual decrease in daylight hours as the year comes to a close, following a peak of 13 hours in June. The transition from the longer days of spring and summer highlights the Caribbean's unique tropical climate, where a consistent rhythm of 12 hours predominates from March to September. As the festive season approaches, the daylight duration offers a cozy invitation to soak in the vibrant culture and natural beauty of this enchanting island, even as the sun sets a bit earlier each evening.
In December, the wind in Roseau, Dominica picks up slightly, averaging 8.4 m/s (19 mph), which reflects a refreshing shift as the year draws to a close. This increase in wind speed follows a gentle decline throughout the autumn months, where speeds hovered around 6.6 m/s in November. Notably, December's breeze remains stronger than the mild summer months, especially when compared to the calms of September, where winds dipped to 5.3 m/s. The trend shows a vibrant transition into winter, offering both locals and visitors a delightful gust that invigorates the festive atmosphere. Overall, the winds of December contribute to the enchanting allure of the island, making it an ideal time to embrace the outdoors and experience the beauty of Dominica.
Weather in Roseau varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Roseau, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, the weather tends to be slightly warmer with a minimum temperature of 24°C (75°F) and an average of 26°C (79°F), peaking at 28°C (82°F). In contrast, January experiences a slight dip in temperatures, with a minimum of 23°C (73°F) and an average of 25°C (78°F), peaking at 27°C (80°F). Precipitation also decreases significantly from December's 53 mm (2.1 in) over 18 days to January's 36 mm (1.4 in) across just 13 days, contributing to a marginally lower humidity of 78% compared to December's 79%. For more detailed insights, you can check Roseau weather in January.
In December, the weather is characterized by slightly warmer temperatures, with a minimum of 24°C (75°F) and an average of 26°C (79°F), reaching a maximum of 28°C (82°F). The month sees a considerable amount of rainfall, averaging 53 mm (2.1 in) over 18 days, and a humidity level of 79%. In contrast, February experiences slightly cooler temperatures, with a minimum of 22°C (72°F) and an average of 25°C (77°F), peaking at 26°C (80°F). Additionally, February is less rainy, with only 36 mm (1.4 in) of precipitation over 13 days and a humidity level of 77%. For more details, you can check the Roseau weather in February.
In December, the weather features a warm tropical backdrop with temperatures ranging from a minimum of 24°C (75°F) to a maximum of 28°C (82°F), while experiencing an average temperature of 26°C (79°F). With 53 mm (2.1 in) of precipitation over 18 days and humidity levels at 79%, the month can often feel rainy and humid.
In contrast, March offers slightly cooler temperatures, with a minimum of 23°C (73°F) and a maximum of 26°C (80°F), averaging 25°C (77°F). This month sees less rainfall, with only 34 mm (1.3 in) over 14 days, and a marginally lower humidity level of 78%. For a more detailed look at March weather, check out Roseau weather in March.
In December, the weather tends to be slightly warmer than in April, with average temperatures ranging from a minimum of 24°C (75°F) to a maximum of 28°C (82°F). This month also experiences more precipitation, with 53 mm (2.1 in) falling over 18 days, leading to a relatively high humidity level of 79%. In contrast, April is slightly cooler, with average temperatures from 23°C (74°F) to 27°C (81°F), and it receives less rain, totaling 32 mm (1.3 in) over 12 days, while maintaining a similar humidity level of 78%. For more detailed weather information in April, you can check Roseau weather in April.
In December, the weather remains warm with minimum temperatures of 24°C (75°F) and maximums reaching up to 28°C (82°F), similar to May's conditions. Both months have an average temperature of 26°C (79°F), but December experiences more precipitation, totaling 53 mm (2.1 in) over 18 days, compared to May's 35 mm (1.4 in) over just 10 days. Humidity levels are slightly higher in May at 80%, compared to December's 79%. For more details on May weather, visit Roseau weather in May.
When comparing the weather in December and June, both months exhibit similar temperature ranges, with December experiencing a minimum of 24°C (75°F) and an average of 26°C (79°F), while June has slightly warmer averages at 27°C (80°F). Both months see a maximum temperature of 28°C (82°F). However, June tends to have slightly higher precipitation levels, with 68 mm (2.7 in) over 14 days compared to December's 53 mm (2.1 in) over 18 days. Humidity also sees a modest increase in June, rising to 82% from December's 79%. For more details on June weather, you can visit Roseau weather in June.
In December, the weather is slightly cooler, with average temperatures ranging from a minimum of 24°C (75°F) to a maximum of 28°C (82°F), and a total precipitation of 53 mm (2.1 in) over 18 days. Conversely, July experiences a slightly warmer climate, with temperatures typically ranging from 25°C (77°F) to 28°C (83°F). However, it also sees more rainfall, with 97 mm (3.8 in) of precipitation spread over 20 days. Humidity remains relatively high in both months, with December at 79% and July peaking at 84%. For a detailed look at July's weather, you can visit Roseau weather in July.
When comparing the weather in December and August, December tends to offer slightly cooler temperatures, with an average of 26°C (79°F) compared to August's 27°C (81°F). August experiences higher maximum temperatures, reaching 29°C (84°F), while December peaks at 28°C (82°F). Precipitation levels are notably higher in August, with 109 mm (4.3 in) over 21 days, compared to December's 53 mm (2.1 in) over 18 days. Humidity also remains relatively high in both months, at 79% in December and 82% in August. For more detailed information, check out Roseau weather in August.
When comparing the weather in December to that of September, December tends to be slightly cooler with average temperatures ranging from a minimum of 24°C (75°F) to a maximum of 28°C (82°F), while September has a slightly higher range with a minimum of 25°C (78°F) and a maximum of 29°C (84°F). December sees less precipitation, with 53 mm (2.1 in) over 18 days, compared to September's 114 mm (4.5 in) over 17 days. Humidity levels are also comparable, with December at 79% and September slightly higher at 80%. For more detailed information on September weather, you can visit Roseau weather in September.
In comparing the weather between December and October, we observe that December has slightly cooler temperatures, with a minimum of 24°C (75°F) and a maximum of 28°C (82°F), compared to October's minimum of 25°C (77°F) and maximum of 29°C (84°F). Additionally, December experiences less precipitation, with 53 mm (2.1 in) falling over 18 days, while October sees significantly more rainfall at 117 mm (4.6 in) across 20 days. Humidity levels remain relatively similar, with December at 79% and October at 80%. For a more detailed look at October's weather, you can refer to Roseau weather in October.
In comparing the weather between November and December, both months feature similar temperature ranges, with average temperatures around 26°C (79°F) and maximums peaking at 28°C (82°F). However, December exhibits slightly cooler minimum temperatures, dropping to 24°C (75°F), compared to November's 25°C (76°F). Precipitation is notably lower in December, with 53 mm (2.1 in) over 18 days, while November sees significantly higher rainfall of 97 mm (3.8 in) over 20 days. Humidity levels remain quite consistent, with December at 79% and November slightly higher at 80%. For more details on November weather, visit Roseau weather in November.
As December arrives in Roseau, the weather shifts to a distinctive rhythm, marked by mild temperatures and a noticeable increase in humidity. While the warmth remains inviting with temperatures typically averaging around 26°C (79°F), the month is characterized by a higher frequency of rainfall, with nearly 18 days experiencing precipitation. The cooler nights and occasional showers create a cozy atmosphere, making it a unique period compared to the drier months that precede it. Whether you’re strolling through vibrant streets or enjoying the lush surroundings, December's climate invites both adventure and relaxation. For more insights on the regional climate throughout the year, check out Roseau Climate.