Atsimo-Atsinanana Climate

Last updated: January 18, 2025

The climate of Atsimo-Atsinanana, Madagascar, is characterized by a diverse range of Koppen-Geiger climate classes, including Am, Cfa, and Aw. This region experiences a distinct temperature variation, with July marking the minimum at 10°C (50°F), while December heralds the maximum at an impressive 38°C (102°F). The average temperature throughout the year hovers around a comfortable 23°C (74°F), showcasing the dynamic climatic conditions that influence both the local environment and seasonal weather patterns.

Atsimo-Atsinanana temperature by month

In Atsimo-Atsinanana, Madagascar, temperature patterns exhibit a pronounced seasonal rhythm, characterized by warmer conditions from December to March. During this period, minimum temperatures range from 17°C to 19°C (63°F to 66°F), while average temperatures remain steady around 26°C (79°F), peaking at maximums of 37°C to 38°C (99°F to 102°F). As the region transitions into the cooler months, from April to July, minimum temperatures gradually decline, reaching 10°C (50°F) in July, while average temperatures dip to a low of 19°C (67°F). The cyclical rise in temperatures resumes from August through November, culminating in November's higher averages and maximums that can soar to 38°C (100°F) once again, illustrating a dynamic climate influenced by seasonal shifts.

Monthly Temperatures in Atsimo-Atsinanana, Madagascar

The chart illustrates Atsimo-Atsinanana's temperature patterns throughout the year, with values aggregated from various locations across the region. It highlights seasonal variations and temperature changes across the months.
JanFebMarAprMayJunJulAugSepOctNovDec797977757269676971737578
Data source: Atsimo-Atsinanana temperature data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.
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The average of daily temperatures (24 hours) calculated across all days in the month.

Vohipaho experiences a temperature range from a minimum of 13°C (56°F) in July to a maximum of 34°C (94°F) in November monthly temperatures in Vohipaho. In contrast, Manato has slightly cooler nights with a minimum of 11°C (52°F) in August and hotter days peaking at 38°C (102°F) in December monthly temperatures in Manato. Meanwhile, Farafangana sees minimum temperatures of 14°C (58°F) in July and a maximum of 37°C (98°F) in December monthly temperatures in Farafangana.

Precipitation Patterns in Atsimo-Atsinanana

The precipitation patterns in Atsimo-Atsinanana, Madagascar are marked by a pronounced wet season typically spanning from January to March. During these months, rainfall peaks significantly, with March recording the highest level at 263 mm (10.4 in) over 26 days of rain. January and February also experience substantial rainfall, with 209 mm (8.2 in) and 191 mm (7.5 in), respectively, contributing to a lush and vibrant landscape as the region thrives in moisture. This period is critical for local agriculture and ecosystem health, supporting diverse plant and animal life.

As the wet season transitions into drier months, precipitation totals gradually decrease from April through August. Notably, July marks a significant reduction in rainfall, with only 82 mm (3.2 in) over 16 days. Although October and November witness a slight uptick in rainfall to 119 mm (4.7 in) and 129 mm (5.1 in), these totals remain much lower than the peak months. The driest month is August, with a mere 41 mm (1.6 in), illustrating a clear seasonal shift that affects both the local climate and the livelihoods of the inhabitants.

Monthly Average Precipitation in Atsimo-Atsinanana, Madagascar

The average monthly precipitation in Atsimo-Atsinanana, providing insights into seasonal rainfall patterns and the region's precipitation trends throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec209191263177100148824263119129200
Data source: Atsimo-Atsinanana precipitation data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.
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Sunshine Duration in Atsimo-Atsinanana

In Atsimo-Atsinanana, Madagascar, the sunshine duration exhibits a clear seasonal trend, with hours of sunlight generally increasing as the region transitions from winter to summer. The year begins with 288 hours of sunshine in January, gradually climbing to 329 hours in March, marking the onset of a sunnier season. April and May maintain this brightness, with 307 and 309 hours respectively, showcasing consistent daylight availability that enhances the region's agricultural activities and overall vibrancy.

As the year progresses into the latter months, sunshine hours continue to rise, peaking in December with an impressive 358 hours. October stands out as another significant month, offering 343 hours of sunshine, making it one of the sunniest periods of the year. Conversely, the months of June and July witness a slight dip, with 282 and 301 hours respectively, reflecting the cooler season's shorter days. Overall, the steady increase in sunshine hours not only contributes to the lush landscapes typical of the region but also underscores the climatic patterns that support local ecosystems and livelihoods.

Monthly Sunshine in Atsimo-Atsinanana, Madagascar

Monthly sunshine duration represents the total hours of direct sunlight Atsimo-Atsinanana receives each month, excluding periods when the sun is obscured by clouds or other obstructions.
JanFebMarAprMayJunJulAugSepOctNovDec288h308h329h307h309h282h301h318h320h343h329h358h
Data source: Atsimo-Atsinanana sunshine duration data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.

Atsimo-Atsinanana UV Index Trends

The UV Index in Atsimo-Atsinanana, Madagascar, reveals significant variations throughout the year, indicating potential risks associated with sun exposure. From January through March, the UV Index consistently reaches extreme levels of 16 and 14, with recommended burn times as low as 10 minutes. This extreme exposure category underscores the necessity for protective measures during these months, as both residents and visitors are susceptible to skin damage if proper precautions are not taken.

As the year progresses into the cooler months of May and June, the UV Index transitions to 8 and 7, representing very high to high exposure categories, with slightly extended burn times of 15 to 25 minutes. Notably, the UV levels rise again in September and October, returning to extreme levels of 11 and 12, emphasizing the need for vigilance against overexposure. Overall, the UV Index serves as a critical guideline for safe sun practices throughout the year, particularly during peak daylight hours when the intensity is at its highest.

Monthly Maximum UV Index for Atsimo-Atsinanana, Madagascar

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Atsimo-Atsinanana. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec16161411877911121415
Data source: Atsimo-Atsinanana UV Index data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.

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.

Daylight Hours in Atsimo-Atsinanana

In Atsimo-Atsinanana, Madagascar, daylight duration varies throughout the year, showcasing a dynamic shift that impacts daily life and natural rhythms. The year begins with a generous 13 hours of daylight in January, providing ample time for both productivity and leisure. This duration gradually decreases to 10 hours by May, corresponding with the cooler months of the year. During this period, the shorter days are indicative of the shifting seasons, affecting activities and contributing to the region's seasonal climate.

As winter transitions to spring, daylight duration begins to increase again, reaching 11 hours in August, before returning to 12 hours in October. Notably, November and December witness another resurgence of daylight, providing 13 hours once more, just as the region enters the warmer and sunnier months. This pattern of fluctuating daylight is essential for local ecosystems, influencing agricultural practices, and highlighting the cyclical nature of life in Atsimo-Atsinanana.

Average Monthly Daylight Hours in Atsimo-Atsinanana, Madagascar

This chart shows the total daylight hours Atsimo-Atsinanana receives each month, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec800h770h731h691h659h643h651h679h717h757h791h809h
Data source: Atsimo-Atsinanana daylight hours, calculated based on aggregated data for various regional locations, determined by the times between sunrise and sunset.

Climate Highlights of Atsimo-Atsinanana's Popular Destinations

Farafangana, Madagascar experiences a tropical climate characterized by warm temperatures and significant rainfall throughout the year. Average temperatures range from a minimum of 14°C (58°F) in July to a maximum of 37°C (98°F) in December, with the hottest months being January and February. Rainfall peaks in March with 268 mm (10.6 in), while August is the driest month with only 41 mm (1.6 in). The region enjoys ample sunshine, especially in October, receiving up to 340 hours. For more detailed insights, visit Farafangana climate.

Manato, Madagascar experiences a tropical climate characterized by warm temperatures and distinct wet and dry seasons. The temperature ranges from a mild 11°C (52°F) in July to a maximum of 38°C (100°F) in November. Rainfall peaks during the late summer months, with March receiving the highest precipitation at 259 mm (10.2 in), while August is the driest month with only 41 mm (1.6 in). The region enjoys abundant sunshine, particularly in December with 359 hours of sun, making it a bright and inviting destination. For more details, visit Manato climate.

Vangaindrano, Madagascar experiences a warm tropical climate with average temperatures ranging from 20°C (68°F) to 26°C (79°F) throughout the year. The wettest months are typically March and January, receiving significant rainfall of 258 mm (10.2 in) and 211 mm (8.3 in), respectively. In contrast, August is the driest month, with only 34 mm (1.3 in) of precipitation. The region enjoys ample sunshine, particularly in October, which boasts 344 hours of sunlight. For more detailed insights, visit Vangaindrano climate.

Vohipaho, Madagascar experiences a tropical climate characterized by warm temperatures and significant rainfall throughout the year. Average monthly temperatures range from about 20°C (68°F) in March to 26°C (79°F) in January and February, with maximum temperatures peaking at 34°C (94°F) in November. Precipitation is heaviest during the wettest months, notably March with 278 mm (10.9 in), tapering off to 53 mm (2.1 in) in August, the driest month. The region enjoys considerable sunshine, particularly in October with 349 hours, making it an attractive locale for visitors interested in a warm climate. For more detailed information, visit Vohipaho climate.

Vondrozo, Madagascar experiences a tropical climate characterized by warm temperatures and significant rainfall throughout the year. Average temperatures range from a minimum of 10°C (50°F) in July to a maximum of 37°C (99°F) in November, with an annual average around 23°C (73°F). Rainfall peaks in January and March, with approximately 250 mm (9.8 in) and 254 mm (10.0 in), while the driest month is August, receiving only 39 mm (1.5 in). The region enjoys plentiful sunshine, with October boasting the highest hours at 339. For more information, visit Vondrozo climate.

Conclusion

In conclusion, the climate of Atsimo-Atsinanana, Madagascar, is characterized by its dynamic interplay of temperature, precipitation, sunshine duration, UV Index, and daylight hours. With distinct seasonal variations, the region experiences an optimal balance of warm temperatures and ample sunshine, essential for sustaining its diverse ecosystems and agricultural practices. The notable shifts in UV Index throughout the year emphasize the importance of sun safety, while changes in daylight duration remind inhabitants and visitors alike of the rhythmic patterns of nature. Understanding these climatic elements is crucial for adapting to local conditions, ensuring the well-being of communities, and fostering sustainable practices in this vibrant part of Madagascar.

Discover the Climate of Atsimo-Atsinanana's Places

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