Last updated: August 21, 2025
In May, Roseau, Dominica experiences a delightful tropical climate characterized by an average temperature of 26°C (79°F), with maximum highs reaching 28°C (82°F) and cool lows of 24°C (75°F). The month sees about 35 mm (1.4 in) of rainfall spread over 10 days, contributing to the region's lush greenery. With humidity levels hovering around 80%, visitors can expect a warm, inviting atmosphere ideal for exploring this Caribbean gem.
In May, temperatures in Roseau, Dominica begin to warm slightly, signaling the transition to summer. The minimum temperature rises to 24°C (75°F), with an average of 26°C (79°F) and a comfortable maximum of 28°C (82°F). This pattern reflects a gradual increase from the earlier months, where temperatures hovered around 23°C to 27°C. As the island embraces the early summer warmth, visitors can expect pleasantly mild weather, ideal for outdoor adventures and soaking in the vibrant natural beauty of Dominica. The consistent warmth in May sets a promising tone as the temperatures steadily climb towards the peak summer months ahead.
In May, Roseau, Dominica experiences a gentle transition in its precipitation patterns, with a total of 35 mm (1.4 in) of rain falling over just 10 days. This month's rainfall is a slight increase from April's drier conditions, suggesting a gradual buildup towards the more dramatic summer rains that follow. As the island approaches the peak of its rainy season, June anticipates a significant rise in precipitation, with totals expected to more than double. The trend underscores a shift from the relatively moderate early months of the year, where January to April typically see around 32-36 mm of rain, to the looming wetter summer months that define Dominica's tropical climate.
In Roseau, Dominica, May marks a noticeable increase in humidity, reaching 80%, which is the highest so far this year. This rise continues a trend of consistently high humidity levels starting from January's 78%. As the months progress into the warmer season, humidity gradually creeps up, peaking in July at 84% before slightly tapering off. The gentle ascent from April's steady 78% to May’s more humid atmosphere reflects the lush, tropical climate of the region, where the air becomes increasingly saturated with moisture. This natural progression not only enhances the island's verdant landscapes but may also influence the daily experiences of residents and visitors alike, making the warmth feel even more enveloping.
In May, Roseau, Dominica experiences an extreme UV Index of 14, identical to the figures seen in April and July. This persistently high UV exposure results in a rapid burn time of just 10 minutes, necessitating strong sun protection measures for residents and visitors alike. The trend across the months indicates that from January to May, UV levels consistently soar, peaking in March and April before stabilizing throughout the summer months. As you bask in Roseau's tropical sunshine, stay informed and protect your skin by checking the Roseau UV Index regularly.
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May basks in abundant sunshine in Roseau, Dominica, offering an impressive 357 hours of radiant daylight, making it one of the sunniest months of the year. This delightful surge follows a gradual increase from January's 267 hours to April's 339 hours, showcasing a clear upward trend in luminosity as spring unfolds. The sunshine generously peaks in May before slightly tapering off in June, reflecting the natural ebb and flow of a tropical climate. As the year progresses, just like the lush landscapes of Dominica, the hours of sunlight remain consistently vibrant, highlighting the allure of this Caribbean paradise during the sun-drenched month of May.
In Roseau, Dominica, the likelihood of sunny weather in May stands at 52%, reflecting a fairly typical mid-range chance of sunshine for the month. As the region transitions from the vibrant dry season to the wetter months, May shows a modest increase in cloudy conditions compared to the earlier months like February, which boasts a 73% sunshine chance. Interestingly, this slight dip continues from April's 43% and anticipates the cooler, more unpredictable weather of June, where sun chances fall to 31%. Notably, while May doesn't shine as brightly as the peak months of December and November—each over 66%—it remains a pleasant time to visit, blending warm temperatures with a reasonable chance of clear skies.
As May rolls around in Roseau, Dominica, daylight remains consistent with a total of 12 hours, echoing the trends set in the preceding months of March and April. This stability continues to reflect the radiant transition of spring into early summer, as daylight starts to extend, peaking in June with a delightful 13 hours of sunshine. Following this peak, daylight gradually recedes in the subsequent months of July through October, where it returns to 11 hours by the time November arrives. Such rhythmic patterns in daylight not only enrich the natural landscape of Dominica but also enhance the local culture, inviting both residents and visitors to embrace the vibrant outdoor life throughout these sunlit months.
In Roseau, Dominica, the winds in May bring a refreshing breeze, with an average wind speed of 8.2 m/s (18 mph), mirroring the steady gusts felt in January and March. This month stands out as part of a trend where wind speeds generally fluctuate slightly, peaking in February at 9.7 m/s (22 mph), before tapering off into the summer months. Interestingly, April marks a significant drop to 7.0 m/s (16 mph), potentially offering a calmer atmosphere. However, as summer approaches, the winds pick back up, hinting at a lively environment for those seeking adventure. Overall, the consistent breezes of May contribute to Roseau's charming tropical allure, making it a delightful destination during this period.
Weather in Roseau varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Roseau, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather of May and January, both months exhibit warm temperatures, with May slightly warmer at an average of 26°C (79°F) compared to January's 25°C (78°F). May has a slightly higher maximum temperature, reaching 28°C (82°F), while January's peak is 27°C (80°F). Precipitation levels are similar, with May recording 35 mm (1.4 in) over about 10 days, while January sees slightly more rain, totaling 36 mm (1.4 in) over 13 days. Humidity is also comparable, with May at 80% and January at 78%. For a more detailed look at January's weather, you can visit Roseau weather in January.
In comparing the weather of February and May, we see some intriguing similarities and differences. February tends to be slightly cooler, with minimum temperatures around 22°C (72°F) and a maximum of 26°C (80°F), while May sees warmer averages with a minimum of 24°C (75°F) and a maximum of 28°C (82°F). Both months experience similar levels of precipitation, with 36 mm (1.4 in) in February and 35 mm (1.4 in) in May, but February has slightly more rainy days, totaling 13 compared to May's 10. Humidity levels are also comparable, with February registering at 77% and May at 80%. For a detailed look at February's weather, you can check out Roseau weather in February.
In comparing the weather between March and May, both months exhibit warm temperatures, but May tends to be slightly warmer with an average temperature of 26°C (79°F), compared to March's average of 25°C (77°F). The maximum temperature in May reaches 28°C (82°F), while March peaks at 26°C (80°F). Precipitation levels are similar, with May receiving 35 mm (1.4 in) over 10 days, just slightly more than March's 34 mm (1.3 in) over 14 days. Humidity levels are comparable as well, with May at 80% and March at 78%. For more detailed information about March weather, you can visit Roseau weather in March.
In comparing the weather of April and May, it’s evident that both months exhibit warm temperatures, but May tends to be slightly warmer overall. In April, temperatures range from a minimum of 23°C (74°F) to a maximum of 27°C (81°F), with an average of 25°C (78°F) and a total precipitation of 32 mm (1.3 in) over 12 days. In contrast, May features a minimum of 24°C (75°F), averaging 26°C (79°F), and peaking at 28°C (82°F), while experiencing a similar total precipitation of 35 mm (1.4 in) spread over 10 days. Moreover, humidity levels are slightly higher in May at 80%, compared to April's 78%. For more detailed information on April weather, you can check Roseau weather in April.
In comparing the weather between May and June, both months share similar temperature ranges, with June exhibiting a slightly higher average temperature of 27°C (80°F) compared to May's average of 26°C (79°F). Despite the minimum and maximum temperatures remaining consistent at 24°C (75°F) and 28°C (82°F) respectively, June experiences increased precipitation with 68 mm (2.7 in) over 14 rainy days, compared to May's 35 mm (1.4 in) across 10 days. Additionally, humidity rises marginally in June to 82%, up from 80% in May. This shift indicates that while temperatures remain stable, June tends to be wetter and slightly more humid. For more details on the weather conditions in June, please visit Roseau weather in June.
In May, the weather features a warm temperature range with a minimum of 24°C (75°F) and an average of 26°C (79°F), peaking at a maximum of 28°C (82°F). The month experiences a relatively lower precipitation of 35 mm (1.4 in) spread over 10 days, coupled with a humidity level of 80%. In contrast, July sees slightly warmer temperatures, with a minimum of 25°C (77°F) and an average of 27°C (80°F), reaching up to 28°C (83°F) at its peak. However, the rainfall significantly increases to 97 mm (3.8 in) over 20 days, raising humidity to 84%. This shift indicates July is not only warmer but also much wetter compared to May. For more details, check Roseau weather in July.
In May, the weather tends to be warm with temperatures ranging from a minimum of 24°C (75°F) to a maximum of 28°C (82°F), and an average of around 26°C (79°F). Precipitation is relatively low at 35 mm (1.4 in), occurring on about 10 days, while humidity sits at 80%. In contrast, August experiences slightly higher temperatures with a minimum of 25°C (77°F), an average of 27°C (81°F), and a maximum of 29°C (84°F). However, August is much wetter, receiving 109 mm (4.3 in) of rain over 21 days and a slight increase in humidity to 82%. This makes August not only warmer but also significantly more humid and prone to rainfall compared to May. For more details, visit Roseau weather in August.
May and September exhibit relatively similar temperatures, with May averaging around 26°C (79°F) and September slightly warmer at 27°C (81°F). Both months experience high humidity levels at 80%, creating a consistently tropical atmosphere. However, September sees a significant increase in rainfall, with 114 mm (4.5 in) of precipitation over 17 days, compared to May's 35 mm (1.4 in) over 10 days. This notable difference in precipitation suggests that September is generally wetter than May. For more detailed information on the weather in September, you can visit Roseau weather in September.
In comparing May and October weather, both months exhibit warm temperatures, with May averaging 26°C (79°F) and October slightly warmer at 27°C (81°F). However, October tends to be wetter, receiving significantly more precipitation at 117 mm (4.6 in) over 20 days compared to May's 35 mm (1.4 in) across 10 days. Interestingly, despite the increase in rainfall, humidity remains consistent at 80% in both months. For more specific information on October weather patterns, you can check Roseau weather in October.
In May, the weather is warm with temperatures ranging from a minimum of 24°C (75°F) to a maximum of 28°C (82°F), and average precipitation is 35 mm (1.4 in) over about 10 days. The humidity remains high at 80%, contributing to a sticky yet comfortable atmosphere. In contrast, November experiences slightly warmer temperatures, with a minimum of 25°C (76°F) and the same maximum temperature of 28°C (82°F) as in May, but it sees a significant increase in rainfall, totaling 97 mm (3.8 in) over approximately 20 days. The humidity remains unchanged at 80%, creating a similarly humid environment but with more frequent rain showers. For further details on November weather, check Roseau weather in November.
In May, the weather features consistent temperatures ranging from a minimum of 24°C (75°F) to a maximum of 28°C (82°F), with an average of 26°C (79°F). With 35 mm (1.4 in) of precipitation spread over 10 days, the humidity levels remain high at 80%. In contrast, December maintains the same temperature range, but experiences slightly more precipitation at 53 mm (2.1 in) over 18 days, while humidity is marginally lower at 79%. For more insights on what to expect, check out Roseau weather in December.
As May unfolds in Roseau, the weather presents a delightful blend of warmth and humidity, setting it apart from the preceding months. Temperatures reach a pleasant average of 26°C (79°F), offering a comfortable ambiance for both locals and visitors. While the 80% humidity adds a tropical feel, the 35 mm of rainfall over about 10 days ensures the landscape remains lush and vibrant. This transitional phase hints at the approaching summer, making May a unique and enchanting time to experience the beauty of Roseau. For more detailed insights, you can explore Roseau Climate.