March Weather in Roseau, Dominica

Last updated: August 21, 2025

In March, Roseau, Dominica experiences a delightful tropical climate, with maximum temperatures reaching 26°C (80°F) and an average temperature of 25°C (77°F), ensuring warm days for visitors and locals alike. The minimum temperature hovers around a comfortable 23°C (73°F). While the average precipitation is 34 mm (1.3 in) over approximately 14 days, the humidity remains relatively high at 78%, adding to the island's lush, vibrant atmosphere. This blend of warmth and moderate rainfall makes March an inviting time to explore Roseau's stunning landscapes and rich cultural offerings.

March Temperature in Roseau

In March, temperatures in Roseau, Dominica remain pleasantly warm, with minimums around 23°C (73°F) and averages settling at 25°C (77°F), ideal for enjoying the outdoors. As the month progresses, daytime highs peak at 26°C (80°F), maintaining a comfortable ambience perfect for exploration. Notably, the temperatures show consistency compared to the previous months of January and February, indicating a stable climate pattern. This gradual warming trend continues into April, suggesting that visitors can expect delightful conditions as spring unfolds. Embrace the lovely weather and vibrant scenery that March in Roseau has to offer!

March Weather in Roseau: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Roseau, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Roseau, March typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec777777787980808181818079
Data source: Temperature data for Roseau generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

March Precipitation in Roseau

In March, Roseau, Dominica experiences a slightly lower precipitation total of 34 mm (1.3 in), maintaining a trend consistent with the earlier months of the year. This slight decrease from the 36 mm seen in both January and February reflects the island's gradual transition into the drier season. Interestingly, March also records 14 rainy days, a slight uptick compared to January and February, which each had 13 days of rain. As the island approaches the peak of its rainy season in the summer months, this pattern sets the stage for the wetter conditions that will dominate in the coming months, highlighting a typical Caribbean climate rhythm. The balance of precipitation shows that while March is relatively drier than its predecessors, it still heralds the upcoming lush growth that the rains will facilitate.

March Precipitation Trends in Roseau

The chart displays monthly precipitation patterns in Roseau, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Roseau, March typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec363634323568971101141179753
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

March Humidity in Roseau

In March, humidity in Roseau, Dominica hovers around a comfortable 78%, mirroring the levels recorded in both January and February. This steady figure sets the tone for the transitional month as the island moves toward the warmer season. The continuation of such humidity suggests a consistent coastal climate, with a gradual increase expected in the following months, peaking in July at a humid 84%. As the year progresses, residents and visitors alike can anticipate a rise in moisture levels, underlining the tropical essence of this serene Caribbean paradise.

March Average Humidity in Roseau

This chart illustrates the average monthly humidity levels in Roseau, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in Roseau is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%77%78%78%80%82%84%82%80%80%80%79%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Roseau

In March, Roseau, Dominica, experiences a notably high UV Index of 13, categorizing it within the extreme exposure bracket. With a minimal burn time of just 10 minutes, this month marks a peak in UV intensity, following the gradual increase from January's already significant levels. As we transition towards April, where the UV Index reaches an even higher 14, it's clear that early spring brings potent sun exposure, necessitating precautions like sunscreen and protective clothing. The trend continues through the spring months, emphasizing the importance of sun safety as residents and visitors enjoy the vibrant landscape. For more information on UV levels throughout the year, visit Roseau UV Index.

Maximum UV Index Levels in Roseau for March

The chart shows the monthly maximum UV Index (UVI) for Roseau in March, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In March, the maximum UV index in Roseau typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10111314141314131312109
Data source: Roseau March UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

March Sunshine in Roseau

March marks a vibrant peak in sunshine hours in Roseau, Dominica, with a remarkable 347 hours of sunlight illuminating the landscape, making it one of the sunniest months of the year. This increase from 305 hours in February indicates a delightful transition into spring, setting the stage for the warmer months ahead. As the days grow longer, April and May follow closely with 339 and 357 hours respectively, showcasing a trend of consistently abundant sunshine through the early part of the year. Interestingly, this upward trajectory, which peaks again in May, reflects the island’s tropical charm, inviting both locals and visitors to bask in its sunshine-drenched allure.

Monthly Sunshine Duration in Roseau: March Highlighted

The March sunshine duration represents the total number of hours Roseau experiences direct sunlight during the month of March, excluding cloudy or obstructed periods. This chart compares the sunshine duration of March with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec267h305h347h339h357h328h354h347h319h320h311h329h
Data source: Roseau March Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Roseau During March

In March, Roseau, Dominica, experiences a 51% chance of sunny weather, marking a noticeable dip compared to the preceding months of January and February, which boast sun probabilities of 56% and 73%, respectively. As the season transitions into spring, the likelihood of clear skies further declines into April at 43%. This trend highlights a shift towards cloudier climates as the weather begins to warm. Interestingly, while March offers a moderate chance of sun, it still maintains a competitive edge over the summer months, where the likelihood drops to as low as 31% in June. So, if you're planning a visit in March, you can expect a fair mix of sunshine and occasional clouds, perfect for exploring the island's natural beauty!

Percentage of Sunny Days in March in Roseau

The chart illustrates the percentage of sunny days in Roseau throughout the year, with March highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Roseau experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec56%73%51%44%52%31%54%49%59%52%66%67%
Data source: Roseau March chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Roseau in March

In March, Roseau, Dominica basks in an invigorating 12 hours of daylight, marking a notable transition from the consistent 11 hours experienced in the earlier months of January and February. This increase in sunlight reflects the approach of spring in the Caribbean, suggesting vibrant days filled with outdoor activities and exploration. Following March, daylight remains steady at 12 hours through April and May, before it peaks in June with 13 hours of daylight. This upward trend in daylight duration highlights the region's warm and welcoming climate, inviting both locals and travelers to embrace the beauty of nature as the days grow longer. As summer arrives in July, daylight narrows back to 12 hours, creating a rhythmic pattern that continues throughout the year, enchanting all who experience the charm of Roseau.

Average Daylight Hours in Roseau for March

The chart illustrates the variation in daylight duration in Roseau throughout the year, with March highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 19m11h 38m12h 2m12h 28m12h 50m13h12h 55m12h 36m12h 11m11h 45m11h 23m11h 13m
Data source: Roseau daylight hours, calculated by summing the hours between sunrise and sunset for each day.

March Winds in Roseau

In March, the wind in Roseau, Dominica, dances briskly at an average speed of 8.2 m/s (18 mph), consistent with the milder breezes experienced earlier in the year. This stability, echoed from January's winds, creates a refreshing atmosphere perfect for enjoying the island's natural beauty. As the calendar turns toward April, a gentle decline to 7.0 m/s (16 mph) hints at the transition into the softer breezes of spring. Following this, the wind picks up again in June and July, reaching 8.6 m/s (19 mph) and 8.7 m/s (19 mph), suggesting a seasonal flirtation with stronger gusts. However, as summer wanes towards September, the winds mellow significantly to just 5.3 m/s (12 mph), offering a tranquil environment to soak in the island's serene landscapes. Overall, March serves as a bridge, linking the early year's vigor with the gentler breezes that follow.

Average March Wind Speed in Roseau

The chart displays monthly wind speed patterns in Roseau, with values for each month shown alongside March's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how March's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec8.29.78.2 m/s7.08.28.68.77.15.37.36.68.4
Data source: Roseau March wind data, generated using information from the Copernicus Climate Change Service.

How March Weather in Roseau Compares to Other Months

Weather in Roseau varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in Roseau, focusing on differences in temperature, rainfall, humidity, and UV levels.

When comparing the weather in March and January, we see that both months exhibit similar temperatures, with January having a slight edge in maximum temperature at 27°C (80°F) compared to March's maximum of 26°C (80°F). The average temperatures remain consistent, hovering around 25°C (77°F) in both months. In terms of precipitation, March experiences slightly less rainfall at 34 mm (1.3 in), while January records 36 mm (1.4 in) over nearly the same number of days—14 for March and 13 for January. Interestingly, both months share the same humidity level of 78%, contributing to a tropical feel. For a detailed look at January weather in Roseau, visit Roseau weather in January.

In comparing the weather of March and February, we see that both months have similar average temperatures, with March recording a minimum of 23°C (73°F), matching February's minimum of 22°C (72°F) and both boasting an average of 25°C (77°F) and a maximum of 26°C (80°F). However, March experiences slightly less precipitation at 34 mm (1.3 in) over 14 days, while February has 36 mm (1.4 in) over just 13 days. Humidity levels are quite comparable, with March at 78% and February at 77%. For more detailed information about February's weather, you can check Roseau weather in February.

In comparing the weather between March and April, both months feature warm temperatures, with March having a minimum of 23°C (73°F) and an average of 25°C (77°F), while April maintains the same minimum and slightly higher average of 25°C (78°F). The maximum temperature in April increases slightly to 27°C (81°F), compared to March’s maximum of 26°C (80°F). Precipitation levels are quite similar, with March receiving 34 mm (1.3 in) over 14 days and April seeing 32 mm (1.3 in) across 12 days. Humidity remains consistent at 78% for both months. For more details about April's weather, visit Roseau weather in April.

In March, the weather features a mild climate with temperatures ranging from a minimum of 23°C (73°F) to an average of 25°C (77°F) and a maximum of 26°C (80°F). However, it experiences precipitation over 14 days, totaling 34 mm (1.3 in), with a humidity level of 78%. In contrast, May sees slightly warmer temperatures, with a minimum of 24°C (75°F), an average of 26°C (79°F), and a maximum of 28°C (82°F). Although precipitation only occurs on 10 days, the total is a bit higher at 35 mm (1.4 in) and humidity rises to 80%. For more detailed information, you can check Roseau weather in May.

In March, temperatures in Roseau typically range from a minimum of 23°C (73°F) to a maximum of 26°C (80°F), with an average of 25°C (77°F). The month experiences about 34 mm (1.3 in) of precipitation over 14 days, and humidity levels are around 78%. In contrast, June sees slightly higher temperatures, with averages ranging from a minimum of 24°C (75°F) to a maximum of 28°C (82°F), averaging 27°C (80°F). The precipitation in June increases significantly to 68 mm (2.7 in), while humidity also rises to 82%. For more detailed weather information, you can check Roseau weather in June.

In March, the weather is pleasantly warm with temperatures ranging from a minimum of 23°C (73°F) to a maximum of 26°C (80°F), accompanied by an average temperature of 25°C (77°F). However, there is a moderate amount of precipitation, totaling 34 mm (1.3 in) over about 14 days, and the humidity sits at 78%.

In contrast, July experiences slightly higher temperatures with a minimum of 25°C (77°F), an average of 27°C (80°F), and a maximum of 28°C (83°F). The month is also considerably wetter, receiving 97 mm (3.8 in) of rainfall over approximately 20 days, with humidity increasing to 84%. Therefore, while both months are warm, July notably brings more rain and slightly higher humidity levels. For a more detailed look, check out Roseau weather in July.

In March, the weather is characterized by milder temperatures with a minimum of 23°C (73°F) and an average of 25°C (77°F), while August sees warmer conditions with a minimum of 25°C (77°F) and an average of 27°C (81°F). Precipitation levels also differ significantly, with March experiencing 34 mm (1.3 in) over 14 days, compared to August's much higher total of 109 mm (4.3 in) over 21 days. The humidity is slightly elevated in August at 82%, compared to March's 78%. For more detailed information about August weather, you can check Roseau weather in August.

In March, the weather features a mild temperature range with minima around 23°C (73°F) and a maximum reaching 26°C (80°F), accompanied by relatively low precipitation of 34 mm (1.3 in) over 14 days and a humidity level of 78%. In contrast, September brings warmer conditions, with temperatures ranging from a minimum of 25°C (78°F) to a maximum of 29°C (84°F). However, it also experiences significantly higher rainfall, totaling 114 mm (4.5 in) spread over 17 days, and a slight increase in humidity to 80%. For more detailed insights, you can check the Roseau weather in September.

March and October exhibit notable differences in weather patterns. In March, temperatures range from a minimum of 23°C (73°F) to a maximum of 26°C (80°F), with an average temperature of around 25°C (77°F). The month experiences a total precipitation of 34 mm (1.3 in) over 14 days, accompanied by a humidity level of 78%. In contrast, October sees slightly warmer temperatures with a minimum of 25°C (77°F) and a maximum of 29°C (84°F), averaging 27°C (81°F). However, it is also wetter, with 117 mm (4.6 in) of precipitation over 20 days and humidity rising to 80%. For more detailed insights, you can refer to Roseau weather in October.

March and November exhibit warm climates, but there are notable differences in their weather patterns. In March, temperatures range from a minimum of 23°C (73°F) to a maximum of 26°C (80°F), with an average of 25°C (77°F) and a relatively low precipitation total of 34 mm (1.3 in) over 14 days. In contrast, November experiences slightly warmer temperatures, with a minimum of 25°C (76°F) and a maximum of 28°C (82°F), averaging at 26°C (80°F). However, it also sees a significant increase in precipitation, totaling 97 mm (3.8 in) over 20 days, alongside higher humidity levels at 80%. For more detailed insights, you can refer to Roseau weather in November.

When comparing the weather in March and December, both months exhibit warm temperatures, but December tends to be slightly warmer overall. In March, the average temperature ranges from a minimum of 23°C (73°F) to a maximum of 26°C (80°F), while December boasts an average temperature of 26°C (79°F) with maximums reaching 28°C (82°F). Precipitation is also more pronounced in December, with 53 mm (2.1 in) of rainfall over 18 days, compared to March's 34 mm (1.3 in) across 14 days. Humidity levels are quite similar in both months, with March at 78% and December at 79%. For a more detailed look at the December climate, visit Roseau weather in December.

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Conclusion: What to Expect From March Weather in Roseau

March in Roseau brings a delightful transition as temperatures remain pleasantly warm, boasting an average that comfortably lingers around 25°C (77°F). Although this month experiences a notable amount of rainfall, the humidity levels at 78% add a tropical touch that sets it apart from the drier months. With about half the month showcasing precipitation, March ushers in a lush vibrancy, enhancing the island's natural beauty. For a deeper dive into Roseau's weather patterns and how they compare throughout the year, visit Roseau Climate.