Last updated: August 21, 2025
In December, Mahajanga, Madagascar experiences a warm tropical climate characterized by maximum temperatures reaching 35°C (94°F) and an average of 28°C (83°F), while nighttime offers a milder minimum of 24°C (75°F). This month is also marked by significant rainfall, with 213 mm (8.4 in) of precipitation over 22 days, creating a lush environment but also high humidity levels averaging 79%. Such conditions highlight the vibrant transition to the rainy season, making it a uniquely dynamic time to visit this coastal city.
In December, Mahajanga, Madagascar, experiences warm and inviting temperatures, making it an ideal time for visitors to soak in the sun. With a minimum temperature hovering around 24°C (75°F) and an average of 28°C (83°F), the days become increasingly pleasant as the region transitions into the heart of summer. The mercury can peak at a sizzling 35°C (94°F), highlighting a clear upward trend in warmth compared to the cooler months preceding it. As December sets in, the mix of higher maximum temperatures and consistent averages reflects the vibrant tropical climate, inviting both locals and travelers to enjoy everything this coastal city has to offer.
In December, Mahajanga experiences a notable increase in precipitation, receiving 213 mm (8.4 in) of rain over 22 days. This marks a significant spike compared to the drier months that precede it, particularly the arid stretch from May to August when the region hardly saw any rainfall. The transition from November's 97 mm reflects the onset of the wet season, with December's rainfall nearly doubling the previous month's total. Such substantial precipitation in December not only contributes to the lush greenery of the region but also signals the approach of the peak rainy season, setting a vivid backdrop for the vibrant local ecosystem. As the year comes to a close, Mahajanga’s weather embodies the dynamic shifts characteristic of Madagascar's varied climate.
In December, Mahajanga experiences a noticeable shift as humidity rises to 79%, marking an increase compared to the drier months of July and August, where levels dipped to their annual lows of 68% and 66%, respectively. Following the cooler and less humid spell of late winter, the return of moisture sets the stage for the warmer summer months ahead. This rejuvenated humidity reflects the tropical climate's cyclical nature, creating an inviting atmosphere reminiscent of earlier months like January and February, where humidity levels hover around 85% and 84%. As the year draws to a close, December’s humidity reinforces Mahajanga's lush landscape and vibrant ecosystems, highlighting the region's compelling weather patterns.
In December, the UV Index in Mahajanga, Madagascar, reaches a notable 15, categorizing it as extreme and maintaining a rapid burn time of just 10 minutes. This trend of high ultraviolet exposure continues from the previous months, with the UV Index consistently hovering around 13-16 since January. The extreme exposure category in December mirrors that of earlier months, emphasizing the need for serious sun protection, especially for outdoor enthusiasts. As the year comes to a close, it's crucial to stay vigilant against sunburn, especially during these peak UV periods. For more detailed information, you can check the Mahajanga UV Index.
UV Risk Categories
As December arrives in Mahajanga, Madagascar, the sunshine peaks with a remarkable 366 hours of bright, radiant light, matching the glorious output seen in October. This trend of abundant sunshine continues to rise steadily from the start of the year, where January begins with 261 hours, gradually building momentum through each month. By the time we reach the heart of summer, Mahajanga experiences an impressive 342 hours of sun between August and September, a sure indicator of the region's alluring climate. The consistent increase in daylight hours not only enhances the vibrancy of the landscape but also invites travelers and locals alike to bask in the sun-soaked days. December's dazzling light provides a fittingly bright close to the year, inviting reflection and celebration in this tropical paradise.
In Mahajanga, Madagascar, December ushers in a moderate 48% chance of sunny weather, indicating a noticeable shift from the preceding months. Following a string of relatively high sun probabilities throughout the dry season—from 83% in May to 84% in September—the sun's presence begins to diminish as the year draws to a close. This trend culminates with November's 65% likelihood, suggesting that while December still enjoys a fair amount of sunshine, the chance of cloud cover and rainfall increases. Visitors in December can expect a delightful mix of sun and shade, perfect for enjoying the region's natural beauty while keeping an eye on the changing weather patterns.
In Mahajanga, Madagascar, December marks a delightful transition in daylight duration, where the sun graces the sky for 13 hours—a notable increase from the more consistent 12 hours seen in the preceding months of January through November. This gradual shift in daylight signifies the approach of summer, as the region experiences a longer stretch of sunlight, inviting outdoor activities and vibrant experiences. Interestingly, from April to August, daylight settles at 11 hours, but the return to longer days in September suggests an ebb and flow that enhances the rhythm of life in this coastal paradise. As December arrives, the extended daylight offers a perfect opportunity to embrace the lush landscapes and serene beaches that Mahajanga is renowned for.
In Mahajanga, Madagascar, the December wind delivers a gentle breeze, averaging 3.2 m/s (7 mph). As the year draws to a close, wind speeds reflect a gradual increase from the calm of February through to the more notable gusts in July and September, which peak at 4.0 m/s (9 mph). Following this mid-year spike, winds ease slightly in November before stabilizing in December. This shift hints at a rhythmic pattern in Mahajanga's climate, where the tranquil winds of early months give way to invigorating breezes that usher in the tropical essence of the season. The December winds serve as a reminder of the ebb and flow of nature's forces, maintaining a consistent yet refreshing presence by the coast.
Weather in Mahajanga varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Mahajanga, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, the weather is characterized by warm temperatures, with a minimum of 24°C (75°F) and an average reaching up to 28°C (83°F), while maximum temperatures can soar to 35°C (94°F). However, this month also sees significant precipitation, averaging 213 mm (8.4 in) and occurring over 22 days, coupled with humidity levels around 79%.
In comparison, January experiences slightly cooler average temperatures, ranging from a minimum of 24°C (76°F) to a maximum of 33°C (91°F). This month is notably wetter, with precipitation rising to 394 mm (15.5 in) across 24 days and humidity increasing to 85%. For a detailed look at January's weather, you can check Mahajanga weather in January.
Overall, both months are warm and humid, but January tends to be wetter and slightly cooler than December.
Both December and February in Mahajanga exhibit warm temperatures, with December showing a minimum of 24°C (75°F) and an average of 28°C (83°F), while February mirrors these temperatures with a similar minimum and an average of 28°C (82°F). However, December experiences slightly higher maximum temperatures, reaching up to 35°C (94°F) compared to February's peak of 33°C (92°F). Precipitation levels in February are notably higher, with 253 mm (10.0 in) expected over 25 days, surpassing December’s 213 mm (8.4 in) over 22 days. Furthermore, humidity in February is also higher at 84% compared to December's 79%. For more detailed insights, you can check Mahajanga weather in February.
In December, the weather is characterized by warm temperatures, with a minimum of 24°C (75°F), an average of 28°C (83°F), and a maximum reaching 35°C (94°F). This month experiences significant rainfall, averaging 213 mm (8.4 in) over 22 days, alongside a consistent humidity level of 79%. In contrast, March sees slightly cooler temperatures, with a minimum of 24°C (76°F) and an average of 28°C (82°F), while the maximum temperature is a bit lower at 34°C (93°F). Precipitation in March amounts to 220 mm (8.7 in) across 24 days, maintaining the same humidity level of 79%. For more specific details on the weather in March, check out Mahajanga weather in March.
When comparing the weather of December and April in Mahajanga, we see some notable differences. December features a slightly higher temperature range, with a minimum of 24°C and a maximum reaching up to 35°C, while April’s temperatures are just a notch lower, with a minimum of 23°C and a maximum of 34°C. Humidity levels are quite similar in both months, with December at 79% and April at 78%. However, precipitation differs significantly; December averages 213 mm over 22 days, indicating a wetter climate, whereas April experiences only 63 mm of rain across 12 days, resulting in a drier atmosphere. For more detailed insights, you can visit Mahajanga weather in April.
In December, the weather in Mahajanga is characterized by warm temperatures ranging from a minimum of 24°C (75°F) to a maximum of 35°C (94°F), with an average of 28°C (83°F). This month sees significant rainfall, with 213 mm (8.4 in) of precipitation spread over 22 days, contributing to a high humidity level of 79%. In contrast, May experiences slightly cooler conditions, with temperatures ranging from a minimum of 21°C (71°F) to a maximum of 33°C (92°F), averaging 27°C (82°F). Remarkably, May has minimal precipitation, recording just 3 mm (0.1 in) with no rain days, and a lower humidity of 74%. For more details on the weather patterns in May, visit Mahajanga weather in May.
In December, the weather is significantly warmer and more humid compared to June. With minimum temperatures around 24°C (75°F) and maximums reaching up to 35°C (94°F), December experiences an average temperature of 28°C (83°F). This month also sees a high level of precipitation, with 213 mm (8.4 in) falling over 22 days, contributing to a humidity level of 79%. In contrast, June offers a more temperate climate, with temperatures ranging from a minimum of 20°C (68°F) to a maximum of 32°C (90°F) and an average of 26°C (79°F). Notably, June has minimal rainfall, with only 3 mm (0.1 in) recorded and no rainy days, resulting in a lower humidity of 69%. For more insights into the weather in June, check out Mahajanga weather in June.
In December, the weather is noticeably warmer and more humid, with average temperatures ranging from a minimum of 24°C (75°F) to a maximum of 35°C (94°F), and an average humidity of 79%. This month experiences significant rainfall, with 213 mm (8.4 in) of precipitation spread over 22 days, making it a much wetter period compared to July. In contrast, July boasts milder temperatures, with a minimum of 19°C (66°F) and a maximum of 32°C (89°F), along with a significantly drier climate, receiving just 2 mm (0.1 in) of rainfall, occurring on zero days. This results in a more comfortable humidity level of 68%. For more detailed information, you can visit Mahajanga weather in July.
When comparing the weather in December and August, there is a noticeable difference in temperature and precipitation. December is characterized by warmer temperatures, with a minimum of 24°C (75°F) and averages around 28°C (83°F), peaking at a scorching 35°C (94°F). This month also experiences significant rainfall, with 213 mm (8.4 in) of precipitation over 22 days and high humidity levels at 79%. In contrast, August presents a much cooler climate, with temperatures ranging from a minimum of 19°C (67°F) to an average of 26°C (78°F), and a maximum of 32°C (90°F). This month sees virtually no rainfall, with only 2 mm (0.1 in) of precipitation recorded over 0 days and a lower humidity of 66%. For a more detailed look at the weather in August, you can check Mahajanga weather in August.
December weather in Mahajanga is characterized by warmer temperatures, with a minimum of 24°C (75°F) and an average of 28°C (83°F), reaching a maximum of 35°C (94°F). In contrast, September experiences slightly cooler conditions, with a minimum temperature of 20°C (69°F) and an average of 27°C (80°F), peaking at 33°C (92°F). Additionally, December is notably wetter, with 213 mm (8.4 in) of precipitation spread over 22 days, while September boasts an almost dry climate with just 2 mm (0.1 in) of rain and no recorded rainy days. The humidity also differs significantly, as December's humidity averages around 79%, compared to September's much lower level of 66%. For more details, you can check Mahajanga weather in September.
In comparing the weather between December and October, December tends to be hotter and more humid, with an average temperature of 28°C (83°F) and maximum highs reaching 35°C (94°F). The month also experiences significantly more rainfall, with 213 mm (8.4 in) spread over 22 days, leading to a rather humid atmosphere with 79% humidity. In contrast, October enjoys slightly cooler temperatures, with minimums around 22°C (73°F) and maximums of 34°C (94°F), while precipitation is minimal at just 12 mm (0.5 in) over 3 days, resulting in a lower humidity level of 66%. For more detailed insights, you can check Mahajanga weather in October.
In comparing the weather between November and December, both months exhibit warm temperatures, with December showing slightly higher extremes—averaging a minimum of 24°C compared to November's 22°C. Notably, December hosts more precipitation, totaling 213 mm over 22 days, significantly higher than November's 97 mm over 16 days. This increase in rainfall contributes to a higher humidity level in December at 79%, compared to November's 69%. Overall, while both months are warm and humid, December is marked by greater precipitation and humidity, making it a wetter month. For more detailed information on November weather, visit Mahajanga weather in November.
In December, Mahajanga becomes a vibrant tapestry of warmth and moisture as the city experiences its wettest month of the year. With temperatures averaging a balmy 28°C (83°F) and maximums soaring up to 35°C (94°F), the warmth is palpable, yet the high humidity of 79% can make days feel particularly steamy. Unlike the drier months that precede it, December features frequent rainfall, with 22 days of precipitation totaling 213 mm (8.4 in). This shift transforms the landscape, highlighting the rich, lush beauty of the region and making it a unique experience compared to the drier and cooler months. For an in-depth look at the weather patterns throughout the year, visit Mahajanga Climate.