Last updated: January 18, 2025
The climate of Black River, Mauritius, is characterized by its tropical monsoon (Am) and tropical savanna (As) classifications according to the Köppen-Geiger system. This region experiences a harmonious blend of warmth and humidity, with average temperatures hovering around 24°C (76°F). During the cooler month of August, temperatures can dip to a minimum of 17°C (63°F), while the warmest month, March, sees maximum temperatures reaching up to 30°C (87°F). These climatic conditions foster a diverse ecosystem, making Black River a unique habitat of rich biodiversity and vibrant landscapes.
In Black River, Mauritius, temperature patterns reveal distinct seasonal trends throughout the year. The warmest months are January to March, where minimum temperatures range from 21°C (71°F) to 23°C (74°F), consistently leading to average highs of 30°C (87°F). As the season transitions into April and May, temperatures slightly decrease, with April still peaking at 30°C (86°F) before dropping to an average of 24°C (76°F) in May. The colder months from June to August experience a notable decline, with minimum temperatures reaching lows of 17°C (63°F) in August, accompanied by average highs of 26°C (79°F) or lower. Autumn months of September to November gradually bring warmer averages again, culminating in December's rise back to 30°C (86°F), thus completing a yearly cycle that illustrates the region's tropical climate and the subtle shifts between warmth and cooler periods.
In Flic en Flac and Grande Riviere Noire, temperatures range from a minimum of 19°C (67°F) in September to a maximum of 30°C (87°F) in March, making these coastal areas quite pleasant throughout the year monthly temperatures in Flic en Flac and monthly temperatures in Grande Riviere Noire. In contrast, Chamarel experiences slightly cooler temperatures, with a minimum of 17°C (63°F) in August and a maximum of 30°C (86°F) in January monthly temperatures in Chamarel.
Precipitation in Black River, Mauritius, exhibits a pronounced seasonal pattern, with the majority of rainfall concentrated in the summer months from January to March. January records the highest average rainfall at 157 mm (6.2 in) over 19 days, closely followed by February at 161 mm (6.3 in) and March at 155 mm (6.1 in). This wet season is characterized by frequent showers, contributing significantly to the region's lush vegetation and aquatic ecosystems. As the year progresses into April and May, precipitation declines sharply, with April receiving 105 mm (4.1 in) and May seeing a further reduction to 52 mm (2.0 in), accompanied by fewer rainy days.
The latter half of the year experiences a marked decrease in precipitation, with June and July recording only 34 mm (1.3 in) and 38 mm (1.5 in), respectively. August stands out as the driest month, receiving just 30 mm (1.2 in) of rainfall across 7 days, while September experiences even lower totals at 23 mm (0.9 in). Precipitation begins to pick up again in October, with 37 mm (1.4 in), before November and December see an increase to 52 mm (2.0 in) and 96 mm (3.8 in), respectively, as the region transitions back into wetter conditions. Overall, Black River's precipitation patterns reflect its tropical climate, showcasing distinct wet and dry seasons critical for the local ecosystem.
In Black River, Mauritius, sunshine duration exhibits a clear seasonal trend, with a notable increase in hours from the cooler months of winter to the warmer summer season. The year begins with January offering 304 hours of sunshine, which gradually rises to 330 hours in February and peaks at 346 hours in March. This upward trajectory sets the stage for the sunniest months of the year, as April and May maintain robust sunshine levels, averaging 315 hours and 321 hours, respectively. Such abundant sunshine in the early part of the year plays a crucial role in supporting the region's vibrant flora and sustaining local agriculture.
As the year transitions into the second half, sunshine duration continues to rise, reaching an impressive 364 hours in October and peaking at 392 hours in December. November and December mark the climax of sunshine hours, further enhancing outdoor activities and tourism opportunities in Black River. Despite a slight dip in June, where sunshine hours fall to 297 hours, the overall pattern is characterized by increased sunshine leading into summer. This tendency toward longer, brighter days significantly enriches the coastal ecosystem and contributes to the overall appeal of the region as a sun-soaked destination year-round.
The UV Index in Black River, Mauritius, exhibits extreme values during the summer months, highlighting the region's intense solar radiation. Both January and February record a high UV Index of 16, which falls into the extreme exposure category, indicating a dangerously short burn time of just 10 minutes for unprotected skin. As March rolls in, the UV Index slightly decreases to 14, yet still remains in the extreme category with the same burn time of 10 minutes. This trend continues into April, where the UV Index reaches 12 and retains its extreme classification. Such high UV levels in these months necessitate robust sun protection measures for residents and visitors alike.
Entering the cooler months, the UV Index gradually declines, though it remains considerable. May registers a UV Index of 9, classified as very high, extending the burn time to 15 minutes. By June, values drop to 7 in the high category, allowing for a longer exposure time of 25 minutes without risk of burning. The summer months return with increased UV readings in July through September, partly reflecting the region's geographic positioning. Notably, October through December sees a resurgence in UV Index values, peaking again at 16 in December, emphasizing the importance of consistent sun safety practices throughout the year in Black River.
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In Black River, Mauritius, daylight duration follows a distinctive annual pattern characterized by relatively stable hours throughout the year. January shines the brightest with around 13 hours of daylight, providing ample time for outdoor activities and exploration. However, as the year progresses into February and March, daylight remains steady at 12 hours. A gradual decrease occurs in April and May, both offering 11 hours of daylight, which signals the onset of winter. June marks the shortest daylight period at 10 hours, emphasizing the region's mild seasonal variation.
As winter transitions back to summer, daylight hours begin to extend once again. July through September maintains a consistent 11 hours of daylight, offering a balanced amount of light while still preserving the essence of the winter season. In October, daylight increases back to 12 hours, building anticipation for the longer days ahead. November and December return to the earlier highs with 13 hours, culminating the year with a generous amount of sunshine. This rhythm of daylight patterns in Black River reflects the region's tropical nature, supporting its vibrant ecosystems and cultural activities year-round.
Albion, Mauritius experiences a tropical climate characterized by warm temperatures throughout the year. Monthly average temperatures range from a low of 21°C (71°F) in April to a high of 26°C (79°F) during the warm season. The area sees significant rainfall from January to March, peaking at 181 mm (7.1 in) in February, while the dryer months of June to September witness less than 50 mm of precipitation. Sunshine is abundant, with December receiving the highest at 391 hours. For more detailed information on Albion's climate, visit Albion climate.
The climate in Bambous, Mauritius, is characterized by warm temperatures and seasonal rainfall. Average temperatures range from a low of 17°C (63°F) in August to a high of 30°C (87°F) in January. The wettest months are February and March, with precipitation measuring 181 mm (7.1 in) and 177 mm (7.0 in), respectively. Sunshine is abundant, peaking in October with 364 hours. For a detailed overview, visit Bambous climate.
The climate in Chamarel, Mauritius, is characterized by warm temperatures year-round, with averages ranging from 21°C (71°F) in July to 26°C (79°F) in summer months like January and February. Rainfall is heaviest during the first three months of the year, peaking in February and March with about 176 mm (6.9 in) each month. Sunshine is plentiful, particularly in October to December, where monthly sunshine hours exceed 360. The combination of moderate temperatures and ample sunlight makes Chamarel an appealing destination for visitors. For more detailed information, visit Chamarel climate.
Flic en Flac, Mauritius, enjoys a warm tropical climate characterized by minimal temperature variation throughout the year, with average highs around 27-30°C (81-86°F) and lows of 19-24°C (67-75°F). The wettest months are January to March, receiving over 120 mm of rainfall each, while the driest months, June to September, have less than 30 mm. Sunshine is abundant, particularly in October to December, with up to 392 hours of sun in December. This picturesque coastal region is ideal for beachgoers year-round, making it a popular destination. For more details, visit Flic en Flac climate.
Grande Riviere Noire, Mauritius enjoys a tropical climate characterized by warm temperatures year-round. From January to March, the average temperature hovers around 27°C (81°F), with highs reaching up to 30°C (86°F). The dry season occurs from May to October, where temperatures cool slightly, with averages dropping to 22°C (73°F) in July and August. Precipitation peaks in January at 143 mm (5.6 in) but decreases significantly in the following months, making the later months more favorable for outdoor activities. For more details, visit Grande Riviere Noire climate.
Petite Riviere, Mauritius experiences a tropical climate characterized by warm temperatures and variable rainfall throughout the year. Average monthly temperatures range from 21°C (71°F) in July to 26°C (79°F) in January, with maximums peaking at around 30°C (86°F) in the summer months. Rainfall is most significant from January to March, with January averaging 172 mm (6.8 in), and it drops notably from May onward. Sunlight is abundant, particularly in the final quarter of the year, with December boasting up to 391 hours of sunshine. For more detailed information, visit Petite Riviere climate.
Tamarin, Mauritius experiences a tropical climate with warm temperatures throughout the year, where minimums range from 19°C (67°F) in July and August to 24°C (75°F) in January. The average temperature hovers around 27°C (81°F) from January to March, gradually cooling to about 22°C (72°F) in the winter months. Rainfall is heaviest in the summer months, peaking at 143 mm (5.6 in) in January and decreasing to about 13 mm (0.5 in) in September. Sunshine is abundant, especially in October and December, with up to 392 hours of sun during the latter month. For more detailed information, visit Tamarin climate.
In conclusion, the climate of Black River, Mauritius, is marked by distinct seasonal variations that significantly influence temperature, precipitation, sunshine duration, UV Index, and daylight hours. With warm summers characterized by high temperatures and abundant rainfall, followed by a drier and cooler winter, the region showcases a dynamic interplay of climatic factors. The peak sunshine months and extreme UV Index during the summer necessitate careful sun protection, while the consistent daylight hours throughout the year enhance outdoor opportunities. Together, these elements contribute to the unique ecological richness and vibrant lifestyle of Black River, making it a compelling destination for both residents and visitors alike.