Last updated: August 21, 2025
Experience the tropical charm of Roseau, Dominica in July, where temperatures hover comfortably around 27°C (80°F), with highs reaching 28°C (83°F) and lows around 25°C (77°F). This month, expect a humid atmosphere with an average humidity level of 84%, making it feel vibrant yet soothing. While you're likely to encounter 97 mm (3.8 in) of rainfall spread over 20 days, these refreshing showers contribute to the lush, green landscapes that Dominica is renowned for. Embrace the beautiful blend of warmth and moisture as you explore this enchanting island!
In July, temperatures in Roseau, Dominica exhibit a warm and inviting trend, with minimums reaching 25°C (77°F) and maximums climbing to 28°C (83°F). The month maintains an average temperature of 27°C (80°F), reflecting the tropical charm of the region. As the peak of summer, July is characterized by a slight increase in warmth compared to the preceding months, signaling a shift towards the hotter, more humid days that define the Caribbean summer. This consistent warmth not only enriches the vibrant scenery but also encourages outdoor adventures and exploration, making it a splendid time to experience the natural beauty of Dominica.
In July, Roseau, Dominica experiences a notable spike in precipitation, with 97 mm (3.8 in) of rain recorded over the month—marking a significant increase from the 68 mm (2.7 in) seen in June. This uptick coincides with a rise in rainy days, averaging 20 days of precipitation compared to June's 14 days. As July progresses, the wet conditions prepare the landscape for the even wetter months ahead, with August and September typically bringing 109 mm (4.3 in) and 114 mm (4.5 in) respectively. The pattern suggests a gradual accumulation in rainfall as the island transitions deeper into the rainy season, reinforcing the lush beauty that characterizes this tropical paradise.
In July, Roseau, Dominica experiences its highest humidity of the year at 84%, marking a peak that follows a gradual upward trend beginning in the early summer months. Starting from a steady 78% in January through April, humidity levels began to climb, reaching 80% by May and jumping to 82% in June. July's notable increase emphasizes the island's tropical climate, where the warm summer air holds more moisture. As summer transitions into early fall, humidity levels slightly decrease to 82% in August and 80% in the subsequent months, reflecting a typical pattern of high humidity characteristic of the Caribbean region. This cycle not only enhances the lush greenery of the island but also contributes to the vibrant atmosphere of Roseau during this season.
In Roseau, Dominica, July brings an UV Index of 14, maintaining its place in the extreme exposure category. This trend of high UV levels continues from April through to August, with many months marked by an index of 13 or higher. The burn time remains a brisk 10 minutes, emphasizing the importance of sun protection during this part of the year. As summer progresses, the intensity of UV radiation peaks, making it crucial for residents and visitors alike to plan their outdoor activities with care. For further insights on UV levels throughout the year, check out Roseau UV Index.
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July in Roseau, Dominica, enjoys an impressive 354 hours of sunshine, contributing to its reputation as a sun-soaked paradise. This month stands out as one of the sunniest during the year, following closely behind the vibrant month of May, which boasts the highest with 357 hours. Interestingly, sunshine hours generally trend down from the peak of March's 347 hours as summer unfolds, but July maintains a robust glow, hinting at the island's tropical warmth. With consistently pleasant weather throughout the months, visitors can revel in the beauty of Dominica's lush landscapes, especially as the sun paints the skies vibrant hues, making every moment spent outdoors a delight.
In Roseau, Dominica, July presents a notable 54% chance of sunny weather, aligning closely with the sunshine probabilities seen in both January and May. This period stands out as a transition point, sandwiched between the lower likelihoods of sunshine in June (31%) and August (49%). The overall trend indicates that while July doesn't boast the highest chances of sun, it offers a welcome respite before the slightly sunnier months ahead in November (66%) and December (67%). As travelers plan their July escapes, they can expect a fair share of sun interspersed with the beauty of tropical showers, making it a delightful, albeit unpredictable, summer month.
In July, Roseau, Dominica, enjoys approximately 12 hours of daylight, maintaining a trend of steady sunlight that peaks in June with 13 hours. As summer rolls in, the extended daylight hours of late spring give way to a balanced and consistent daylight pattern, with July, August, and September all featuring 12 hours of sunshine. This symmetrical distribution highlights the tropical climate's predictability, as daylight gradually shortens towards the end of the year, with October seeing a drop back to 11 hours. Overall, the blend of warm, sunny days makes July an inviting time to experience the beauty and vibrancy of Dominica’s natural landscapes.
In July, the winds in Roseau, Dominica, pick up slightly, averaging 8.7 m/s (19 mph), a gentle increase from the preceding month. This uptick marks a trend of relatively stable wind conditions throughout the late spring and early summer, with July showcasing one of the year’s more favorable breezes. As the summer progresses, wind speeds begin to shift, tapering off into August at 7.1 m/s (16 mph). Interestingly, this month breaks the rhythm of the earlier months, indicating a gradual transition towards more tranquil conditions as we move into the late summer and early autumn.
Weather in Roseau varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in Roseau, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather between July and January, July tends to be warmer with average temperatures around 27°C (80°F) and a maximum of 28°C (83°F), while January has slightly cooler averages at 25°C (78°F). Despite the similar minimum temperatures, July experiences significantly more precipitation, with 97 mm (3.8 in) over 20 days compared to January's 36 mm (1.4 in) over just 13 days. Additionally, humidity levels are higher in July at 84%, compared to January's 78%. For a more detailed look at January weather specifics, you can explore Roseau weather in January.
When comparing the weather in July and February, July typically offers warmer temperatures, with averages around 27°C (80°F) compared to February's 25°C (77°F). While both months experience high humidity, July's humidity is notably higher at 84%, creating a more sultry atmosphere than February's 77%. Additionally, July sees significantly more precipitation, with 97 mm (3.8 in) spread over 20 days, in contrast to February's lighter rainfall of 36 mm (1.4 in) over 13 days. For a detailed look at February's weather patterns, you can visit Roseau weather in February.
In comparing the weather of July and March, July experiences slightly higher temperatures with an average of 27°C (80°F) and a maximum of 28°C (83°F), while March has a milder average of 25°C (77°F) and a maximum of 26°C (80°F). Precipitation levels are notably higher in July, with 97 mm (3.8 in) falling over 20 days, compared to just 34 mm (1.3 in) in March, which sees rain over 14 days. Additionally, humidity is more pronounced in July at 84%, whereas March maintains a lower level of 78%. For a more detailed look at the weather in March, you can visit Roseau weather in March.
When comparing the weather in July to that in April, distinct differences emerge. July tends to be warmer, with average temperatures ranging from a minimum of 25°C (77°F) to a maximum of 28°C (83°F), while April has slightly cooler temperatures ranging from 23°C (74°F) to 27°C (81°F). Additionally, July experiences significantly more rainfall, with 97 mm (3.8 in) of precipitation over 20 days, compared to April's 32 mm (1.3 in) over 12 days. Humidity levels are also higher in July at 84%, compared to 78% in April, leading to a more muggy atmosphere in the middle of the year. For more detailed information on April's weather, you can visit Roseau weather in April.
In comparing the weather of July and May, we observe only slight differences in temperature. July sees a minimum of 25°C (77°F), with an average of 27°C (80°F) and a maximum of 28°C (83°F), while May's temperatures range from a minimum of 24°C (75°F) to an average of 26°C (79°F), peaking at 28°C (82°F). Both months have similar maximum temperatures, but July is slightly warmer overall. However, July experiences significantly higher precipitation, with 97 mm (3.8 in) over 20 days compared to May's 35 mm (1.4 in) over just 10 days. Humidity also rises in July at 84%, compared to 80% in May, contributing to a more tropical feel during the summer month. For more detailed insights, you can check Roseau weather in May.
In comparing the weather between June and July, both months feature similar average temperatures, hovering around 27°C (80°F). However, July experiences slightly warmer minimum and maximum temperatures, with a minimum of 25°C (77°F) and a maximum of 28°C (83°F), whereas June has a minimum of 24°C (75°F) and a maximum of 28°C (82°F). Precipitation levels are notably higher in July, with 97 mm (3.8 in) of rain over 20 days, compared to June's 68 mm (2.7 in) over 14 days. Humidity also rises slightly in July to 84%, up from 82% in June. For more detailed insights into June's weather, check out Roseau weather in June.
July and August feature similar temperature patterns, with both months experiencing a minimum of 25°C (77°F) and an average temperature close to 27°C (81°F). However, August tends to be slightly warmer, with a maximum temperature reaching 29°C (84°F) compared to July's 28°C (83°F). Precipitation increases from 97 mm (3.8 in) in July to 109 mm (4.3 in) in August, with both months experiencing rain on about 20-21 days. Notably, humidity remains high in both months, but is marginally lower in August at 82% compared to July's 84%. For more detailed weather insights, you can check out Roseau weather in August.
In comparing the weather of July and September, both months exhibit similar temperature ranges, with July having a minimum of 25°C (77°F) and an average of 27°C (80°F), while September shows slightly warmer figures with a minimum of 25°C (78°F) and an average of 27°C (81°F). However, September experiences a marginally higher maximum temperature of 29°C (84°F) compared to July's 28°C (83°F). Precipitation levels are also notable, with September receiving more rainfall at 114 mm (4.5 in) over 17 days, as opposed to July's 97 mm (3.8 in) across 20 days. Despite the increase in rainfall in September, the humidity remains slightly lower at 80% compared to July's 84%. For more detailed information about September weather, you can check Roseau weather in September.
In comparing the weather between July and October, we find that both months maintain a remarkably similar temperature range, with minimums around 25°C (77°F) and average temperatures hovering around 27°C (80°F in July and 81°F in October). However, October displays a slight increase in the maximum temperature, reaching 29°C (84°F), compared to July's 28°C (83°F).
When it comes to precipitation, October experiences a marginally higher amount, with 117 mm (4.6 in) over 20 days, versus July's 97 mm (3.8 in) over the same number of days. Humidity levels are relatively comparable too, with July at 84% and October slightly lower at 80%. For more details on October's weather specifically, you can visit Roseau weather in October.
In comparing the weather of July and November, we see that both months feature similar temperature ranges, with minimums around 25°C (77°F), averages of 27°C (80°F), and maximums of 28°C (83°F) in July versus slightly lower maximums reaching 28°C (82°F) in November. Precipitation levels remain consistent throughout the year, with both months receiving 97 mm (3.8 in) of rain over approximately 20 days. However, humidity begins to decrease in November to 80%, compared to July's higher humidity of 84%. For a more detailed look at November weather, you can check Roseau weather in November.
In comparing the weather of July and December, we see some notable differences and similarities. July typically experiences slightly higher temperatures, with minimums around 25°C (77°F) and averaging 27°C (80°F), while December's temperatures range from a minimum of 24°C (75°F) to an average of 26°C (79°F). However, both months reach similar maximum temperatures of around 28°C (82°F to 83°F).
Precipitation levels vary significantly, with July receiving 97 mm (3.8 in) over approximately 20 days, compared to December's 53 mm (2.1 in) across 18 days. Additionally, humidity remains high throughout both months, with July at 84% and December slightly lower at 79%.
For detailed weather patterns and trends in December, you can refer to Roseau weather in December.
As July unfolds in Roseau, it showcases a unique blend of warmth and humidity, distinguishing itself from the milder months that precede it. The air is enveloped in a tropical embrace, with humidity levels soaring around 84%, creating a vibrant atmosphere. Although the temperatures remain comfortably warm, the frequent rainfall—spanning nearly two-thirds of the month—marks this season's shift, bringing a lush green backdrop to the city. This combination of heat and moisture sets July apart, offering a distinctly tropical experience that invites both locals and visitors to revel in the island's natural beauty. To learn more about the climatic patterns throughout the year, visit Roseau Climate.