Last updated: August 21, 2025
December in Toamasina, Madagascar is characterized by warm temperatures and high humidity, creating a tropical atmosphere. Daily maximums typically reach 29°C (84°F), while the average temperature hovers around 26°C (80°F), with cooler nights averaging 23°C (74°F). This month also sees significant rainfall, with 211 mm (8.3 in) accumulated over 23 days, making it one of the wettest months of the year. The humidity remains elevated at 86%, contributing to the muggy conditions that define Toamasina's festive end-of-year climate. Whether for travel or local events, visitors and residents alike should prepare for both warmth and regular downpours.
In Toamasina, Madagascar, December marks a warm transition into summer, with temperatures showcasing a delightful consistency. The month sees minimums around 23°C (74°F), rising to daily averages of 26°C (80°F) and peaking at 29°C (84°F). These values align with the overall trend of the region, where temperatures gradually increase from the cooler months of July and August. December’s pleasant warmth is complemented by a welcoming tropical atmosphere, making it an inviting time for visitors to explore the unique beauty of Toamasina. As the year rounds off, the temperatures evoke a sense of summer, promising sunny days and vibrant experiences for all who venture into this coastal gem.
In Toamasina, Madagascar, December marks a significant transition in the precipitation pattern, with 211 mm (8.3 in) of rain falling over 23 days. This uptick is part of a broader trend observed in the region, where rainfall typically peaks during the warmer months. March stands out as the wettest month of the year, with a staggering 466 mm (18.4 in), while December's figures reflect a notable increase compared to the drier months of September and October, which see only 82 mm (3.2 in) and 77 mm (3.0 in), respectively. The increase in precipitation days through December adds to the month’s lush, tropical ambiance, emphasizing Madagascar’s rich biodiversity and the critical role of seasonal rains in nurturing its unique ecosystems.
In Toamasina, Madagascar, December brings a notable level of humidity at 86%, marking a slight increase from the drier months of October and September, which recorded 79% and 82% respectively. This month is characteristic of the latter part of the year, where humidity generally remains high, peaking in April and May at 89%. Throughout the year, the humidity displays a relatively consistent pattern, hovering in the mid to high 80s, with January and February both hitting a steady 87%. The gradual increase in moisture levels as the year winds down hints at the region's tropical climate, setting the stage for what lies ahead in the humid summer months.
In December, Toamasina experiences a UV Index of 15, categorizing it within the extreme exposure range, with a burn time of just 10 minutes. As the year progresses, the UV Index remains notably high, particularly in the earlier months, where it peaks at 16 in January and February, suggesting that sun safety measures are essential throughout the year. The trend shows a gradual decrease in UV intensity as we move into mid-year, but even in the cooler months like June and July, the index remains significantly high, prompting a need for vigilance. With December reflecting a strong return to these extreme levels, visitors and locals alike should be prepared for intense sun exposure. For more detailed information, check out the Toamasina UV Index.
UV Risk Categories
December in Toamasina, Madagascar, is truly a radiant highlight of the year, boasting an impressive 369 hours of sunshine. This peak in sunshine hours marks a delightful crescendo to a year filled with bright days, with the sunshine steadily increasing from 286 hours in January to this year-end zenith. The upward trend is particularly notable in the latter half of the year, where monthly totals consistently surpass 300 hours, culminating in December's luminous finale. With summer on the horizon, visitors can bask in the warm glow and vibrant atmosphere, making it the perfect month for outdoor adventures and soaking up the island's breathtaking beauty.
In Toamasina, Madagascar, December marks a transition as the probability of sunny weather dips to 35%, indicating a notable decrease compared to the previous month, November, which enjoys a solid 56% chance. This trend is part of a broader pattern throughout the year, where the sunniest months tend to be clustered in the early and late parts of the year, particularly May and October, both boasting over 57% sunshine likelihood. As summer approaches in the Southern Hemisphere, December brings the onset of wetter weather, making it one of the less favorable months for sun-seekers, particularly when contrasted with the brighter days of January. Thus, while Toamasina can still offer glimpses of sunshine, visitors may want to prepare for more unpredictable weather as the year draws to a close.
In Toamasina, Madagascar, the duration of daylight showcases a captivating rhythm throughout the year. December brings a return to longer days, basking in 13 hours of sunlight, an increase that mirrors the length of daylight in January. This seasonal pattern reveals a gentle ebb and flow: from the peak of summer sunshine, daylight gradually diminishes from 12 hours in February and March to a steady 11 hours from April through September. As the year transitions into the final months, daylight begins to stretch back towards those longer lengths of winter, resulting in 12 hours in October and November before reaching its annual high again in December. The interplay of light and shadow paints a unique backdrop for the vibrant life of Toamasina, making the end of the year particularly bright and uplifting.
As December unfolds in Toamasina, Madagascar, the gentle breeze brings an average wind speed of 3.7 m/s (8 mph), a slight dip compared to the brisk winds of the preceding months. This transition marks a shift from the notably higher speeds observed in the middle of the year, particularly June and July, when winds gusted up to 5.8 m/s (13 mph). The trend reveals a gradual increase in wind intensity from the calm of early months to the more spirited mid-year, before tapering back as the year winds down. December ultimately offers a softer, more tranquil air, perfect for enjoying the coastal beauty, while still holding onto the remnants of the year’s lively gusts.
Weather in Toamasina varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Toamasina, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, the weather is warm with average temperatures ranging from a minimum of 23°C (74°F) to a maximum of 29°C (84°F), accompanied by high humidity of 86% and significant rainfall totaling 211 mm (8.3 in) over 23 days. In contrast, January experiences slightly warmer conditions, with temperatures between 24°C (75°F) and 30°C (86°F) and an increase in precipitation to 260 mm (10.2 in) over 21 days. The humidity remains high at 87%, making January just a tad more humid while still maintaining the warm tropical climate. For more details, you can check Toamasina weather in January.
In December, the weather features a minimum temperature of 23°C (74°F) and an average of 26°C (80°F), with maximum temperatures reaching 29°C (84°F). This month experiences significant precipitation, totaling 211 mm (8.3 in) over 23 days, and maintains a high humidity level of 86%. In contrast, February sees slightly warmer temperatures, with a minimum of 25°C (76°F), an average of 27°C (80°F), and highs of 31°C (88°F). Precipitation increases to 242 mm (9.5 in) across 22 days, resulting in a humidity level of 87%. For more specifics about February weather, you can check out Toamasina weather in February.
In comparing the weather between December and March, we find that both months experience warm temperatures, with December having a minimum of 23°C (74°F) and March slightly warmer at a minimum of 24°C (76°F). The average temperature remains consistent, hovering around 26°C (80°F) in December and 27°C (80°F) in March, while the maximum temperatures also show a slight increase from 29°C (84°F) in December to 30°C (86°F) in March. However, March brings significantly more rainfall, with precipitation rising from 211 mm (8.3 in) over 23 days in December to a substantial 466 mm (18.4 in) over 28 days in March, contributing to a higher humidity level of 88% compared to December's 86%. For those interested in more specifics, you can find further details at Toamasina weather in March.
In December, the weather features consistently warm temperatures, with averages around 26°C (80°F), but it typically experiences heavy rainfall, accumulating 211 mm (8.3 in) over 23 days and maintaining a humidity level of 86%. In contrast, April presents a similar temperature range, with a minimum of 23°C (74°F) and a maximum of 29°C (84°F), but it sees a significant increase in precipitation to 300 mm (11.8 in) over 27 days and slightly higher humidity at 89%. For more detailed information, you can check Toamasina weather in April.
In comparison to December, May in Toamasina experiences slightly cooler temperatures, with a minimum of 21°C (71°F) and an average of 25°C (77°F) compared to December's minimum of 23°C (74°F) and average of 26°C (80°F). While both months see significant rainfall, December has a little more precipitation at 211 mm (8.3 in) over 23 days, whereas May has 205 mm (8.1 in) spread across 25 days. Humidity is also slightly higher in May at 89% compared to December's 86%, contributing to a muggy atmosphere throughout both months. For a detailed look at May weather in Toamasina, visit Toamasina weather in May.
December and June present similar weather patterns, with both months characterized by high humidity levels of 86%. However, December is slightly warmer, with average temperatures ranging from a minimum of 23°C (74°F) to a maximum of 29°C (84°F), compared to June's temperatures which range from a minimum of 21°C (69°F) to a maximum of 26°C (80°F). Precipitation is comparable in both months, with December experiencing 211 mm (8.3 in) over 23 days, while June records 208 mm (8.2 in) over 25 days. For more detailed information, you can check Toamasina weather in June.
When comparing the weather in December and July, December is notably warmer, with average temperatures ranging from 26°C (80°F) to a maximum of 29°C (84°F), while July's temperatures are cooler, averaging around 22°C (73°F) and peaking at 25°C (77°F). Both months experience significant rainfall, with December having slightly less precipitation at 211 mm (8.3 in) compared to July's 243 mm (9.6 in). Moreover, rainfall occurs on more days in July (27 days) than in December (23 days), and humidity levels remain high in both months, with December at 86% and July at 87%. For a detailed look at July weather specifics, check out Toamasina weather in July.
In comparison to December, the weather in August is generally cooler and less humid. December sees higher temperatures, with a minimum of 23°C (74°F) and an average of 26°C (80°F), while August's temperatures range from a minimum of 20°C (68°F) to an average of 22°C (73°F). Additionally, December experiences significantly more rainfall, with 211 mm (8.3 in) spread over 23 days, compared to August’s 101 mm (4.0 in) over 21 days. Humidity levels are slightly higher in December at 86%, compared to 83% in August. For more details on August weather, you can check Toamasina weather in August.
In December, the weather is typically warmer and more humid compared to September. December boasts a minimum temperature of 23°C (74°F) and an average high of 29°C (84°F), making it a peak summer month, while September features a cooler range, with minimums of 19°C (67°F) and maximums of 25°C (78°F). Additionally, December experiences significantly more rainfall, with total precipitation reaching 211 mm (8.3 in) over 23 days, compared to September's 82 mm (3.2 in) across 18 days. Humidity levels also rise in December to 86%, slightly higher than September's 82%. For a closer look at September weather specifics, check out Toamasina weather in September.
When comparing the weather in December and October, December generally experiences warmer temperatures, with an average of 26°C (80°F) compared to October's 24°C (76°F). The maximum temperatures also rise in December to around 29°C (84°F), whereas in October, they peak at 26°C (80°F). However, December is significantly wetter, with precipitation totaling 211 mm (8.3 in) over 23 days, compared to only 77 mm (3.0 in) over 20 days in October. Additionally, December has a higher humidity level at 86%, while October maintains a lower humidity at 79%. For more details about October's weather, you can visit Toamasina weather in October.
In comparing the weather of December and November, December typically experiences slightly warmer temperatures, with an average of 26°C (80°F) compared to November's 25°C (78°F). The maximum daily temperatures are also higher in December, peaking at 29°C (84°F) versus November's 28°C (82°F). However, December is marked by significantly more rainfall, receiving 211 mm (8.3 in) over 23 days, while November has only 118 mm (4.6 in) across 18 days. Humidity levels are higher in December as well, averaging 86% compared to November's 81%. For more details, you can check Toamasina weather in November.
As December unfolds in Toamasina, the weather shifts towards a warmer and more humid climate, setting the stage for the peak of the rainy season. With frequent rainfall and a notable increase in humidity, this month stands in stark contrast to the drier, cooler months preceding it. Temperatures rise, averaging around 26°C, while the city experiences about 23 days of precipitation, resulting in lush landscapes and vibrant flora. For those planning to visit, understanding these unique weather patterns can enhance your experience. For more information, check out Toamasina Climate.