Last updated: August 21, 2025
December in Antananarivo, Madagascar ushers in a warm and humid climate, characterized by maximum temperatures reaching 31°C (88°F) and an average of 21°C (70°F). With minimum temperatures dipping to 13°C (56°F), the weather presents a pleasant variation suitable for outdoor activities. However, the month also brings 133 mm (5.2 in) of rainfall, spread over approximately 16 days, contributing to the city's lush greenery. Humidity levels soar to 83%, enhancing the tropical atmosphere that defines this vibrant capital. Whether exploring its rich culture or breathtaking landscapes, December offers visitors a unique experience amidst the seasonal shifts.
In December, Antananarivo basks in pleasant temperatures that mark the onset of summer. With minimums hovering around 13°C (56°F) and maximums reaching up to 31°C (88°F), the climate is warm yet comfortable, perfect for exploring the vibrant streets. The average temperature remains steady at a moderate 21°C (70°F), mirroring the trends observed in the previous months. Compared to the cooler winter months of June and July, December offers a significant warmth, inviting locals and visitors alike to enjoy outdoor activities and festivities. As the year draws to a close, the consistent warmth makes December an ideal time to experience the beauty of Madagascar's capital.
In December, Antananarivo experiences a notable uptick in precipitation, with total rainfall reaching 133 mm (5.2 in) over 16 days. This month stands out compared to the markedly drier months preceding it, particularly May and July, which saw minimal rainfall. The increase in December is a precursor to the wet season, as signaled by a significant rise from November's 77 mm (3.0 in). While the city typically batters through an average of 15-20 rainy days in earlier months, the persistent drizzle in December emphasizes a transition into wetter weather. This shift not only rejuvenates the landscape but also marks the onset of Madagascar's lush summer foliage, painting the city in vibrant greens as it gears up for the rainiest months ahead.
As the year draws to a close, December humidity in Antananarivo experiences a notable uplift at 83%, reflecting a trend of seasonal variation. While January and February boast the highest levels at 88% and 87%, respectively, humidity steadily decreases from March through August, reaching a low of 68% in August. However, as spring rolls into summer, the tides shift again; November sees a rise to 74%, leading into December's significant spike. This cyclical pattern showcases Antananarivo's uniquely humid climate, where the end of the year brings a sense of dampness that stands in contrast to the dry conditions of mid-year.
In December, Antananarivo experiences a UV Index of 16, categorizing the exposure as extreme with a burn time of just 10 minutes. This trend of high UV levels is consistent throughout the year, with peaks observed in January and February, both holding steady at a UV Index of 17. Notably, the UV Index gradually decreases from March to May, dipping to 10 before rising again in the latter half of the year, especially noticeable in August at 11. This pattern underscores the necessity for sun protection year-round, particularly during these extreme periods. For more detailed information, visit Antananarivo UV Index.
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As the year winds down, December shines brightly in Antananarivo, Madagascar, boasting an impressive 346 hours of sunlight. This burst of luminosity follows a trend of increasing brightness, with each month building momentum towards the year's end. Notably, October leads the pack with 349 hours, while November holds its own at 338 hours. The consistent upward trajectory from the earlier months—where the year began with a modest 255 hours in January—showcases a steady transition to longer, sun-soaked days. This delightful December sunshine sets the perfect stage for celebrating the festive season amidst the vibrant backdrop of Madagascar’s natural beauty.
In Antananarivo, Madagascar, the likelihood of sunny weather in December stands at 32%, aligning with the city's more volatile sun patterns throughout the year. As the year progresses from October's peak of 52% sunshine, the chance of clear skies dips noticeably in November before stabilizing at December's level. This trend suggests a seasonal ebb and flow, where the earlier months of March, May, and June also capture similar sunlight probabilities. Visitors should be prepared for a mix of weather, appreciating that while bright days are possible, December does not guarantee a sun-soaked holiday. The variability in sunshine can add a delightful unpredictability to any travel plans!
As December rolls into Antananarivo, Madagascar, the city enjoys a return to 13 hours of daylight, mirroring the long days of January. This uptick marks a seasonal transition that begins to unfurl with the gradual decrease in daylight from March through June, where the hours dip to a minimum of 10 hours in mid-year. As winter progresses into late spring and early summer, daylight begins to regain its strength, with 11 to 12 hours in the months leading up to December. This rhythmic cycling not only highlights the natural ebb and flow of daylight throughout the year but also enriches the vibrant atmosphere that characterizes Antananarivo during its sun-drenched December, perfect for exploration and outdoor activities.
As December settles in Antananarivo, the city's breeze whispers at an average wind speed of 2.8 m/s (6 mph), maintaining a gentle yet refreshing presence in the air. This month's winds reflect a subtle decline from the peaks experienced in the midsummer months of July and September, where speeds reached up to 3.8 m/s (9 mph). Interestingly, the wind speeds in December are slightly above those of November, suggesting a mild resurgence as the wet season approaches. Overall, the calming winds of December weave through the city, offering a serene transition into the new year while hinting at the dynamic shifts of Madagascar's seasonal rhythms.
Weather in Antananarivo varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Antananarivo, focusing on differences in temperature, rainfall, humidity, and UV levels.
December and January showcase a similar temperature range, with both months averaging around 21°C (70°F). However, January tends to be slightly warmer, with a minimum temperature of 14°C (57°F) compared to December's 13°C (56°F). Precipitation levels significantly increase in January, recording 204 mm (8.0 in) over 18 days, while December sees 133 mm (5.2 in) over 16 days. Additionally, humidity is higher in January at 88%, compared to December's 83%. For more detailed information, you can check Antananarivo weather in January.
December and February share similar temperature ranges, with both months featuring minimum temperatures of 13°C (56°F), average temperatures of 21°C (70°F), and maximum temperatures reaching 31°C (88°F). However, February experiences significantly more precipitation, with 239 mm (9.4 in) spread over 20 days, compared to December's 133 mm (5.2 in) over 16 days. This increase in rainfall contributes to a slight rise in humidity as well, with February's humidity measuring 87% compared to December's 83%. For more information on the weather in February, you can visit Antananarivo weather in February.
In December, the weather features a warm average temperature of 21°C (70°F), with daytime highs reaching up to 31°C (88°F) and relatively low lows of 13°C (56°F). The month experiences significant precipitation, totaling 133 mm (5.2 in), spread across 16 rainy days, contributing to a high humidity level of 83%.
In comparison, March showcases slightly warmer minimum temperatures at 14°C (57°F) and a similar average of 21°C (69°F). However, the maximum temperature is slightly lower at 29°C (84°F). March is wetter, with precipitation increasing to 197 mm (7.8 in) over 19 days, leading to a slight rise in humidity at 86%.
For more detailed information about March weather, you can visit Antananarivo weather in March.
December and April present contrasting weather patterns. In December, the temperatures range from a minimum of 13°C (56°F) to a maximum of 31°C (88°F), with an average of 21°C (70°F). This month experiences higher humidity at 83% and more precipitation, totaling 133 mm (5.2 in) over 16 days. In contrast, April sees slightly cooler temperatures, with a minimum of 11°C (53°F) and a maximum of 29°C (84°F), averaging at 19°C (67°F). Precipitation in April is significantly lower at 49 mm (1.9 in) over 13 days, and humidity decreases to 77%. For more details about the weather in April, you can visit Antananarivo weather in April.
December and May present distinct contrasts in weather patterns. December boasts warmer temperatures, with minimums around 13°C (56°F) and maximums reaching 31°C (88°F), while May's temperatures are milder, ranging from 8°C (46°F) to a maximum of 26°C (80°F). Additionally, December experiences significantly higher precipitation, averaging 133 mm (5.2 in) over 16 days, compared to May’s relatively dry conditions with only 8 mm (0.3 in) of rain falling over just a single day. Humidity levels are also higher in December at 83%, compared to 75% in May, making December feel more tropical overall. For a closer look at May's weather specifics, check out Antananarivo weather in May.
December and June present a stark contrast in weather conditions. In December, temperatures range from a minimum of 13°C (56°F) to a maximum of 31°C (88°F), with an average temperature of 21°C (70°F). This month experiences significant precipitation, totaling 133 mm (5.2 in) over 16 days, contributing to a high humidity level of 83%. In contrast, June showcases cooler temperatures, with a minimum of 5°C (42°F) and a maximum of 25°C (78°F), averaging at 15°C (59°F). Precipitation in June is considerably lower at 22 mm (0.9 in), falling over just 2 days, and humidity levels are also reduced to 74%. For more detailed information, you can check Antananarivo weather in June.
When comparing the weather between December and July, it's clear that December is significantly warmer and much wetter. December features a milder minimum temperature of 13°C (56°F) and can reach a high of up to 31°C (88°F), while July’s temperatures are much cooler, with a minimum of 5°C (41°F) and a maximum of 25°C (77°F). Precipitation levels also differ drastically; December receives 133 mm (5.2 inches) over 16 days, making it one of the wetter months, whereas July sees only 11 mm (0.5 inches) of rain across just 1 day. Humidity levels are also higher in December at 83% compared to July's 74%. For more detailed information on July weather, you can refer to Antananarivo weather in July.
December and August present starkly different weather conditions. December boasts a warm climate with temperatures ranging from a minimum of 13°C (56°F) to a maximum of 31°C (88°F), accompanied by substantial rainfall of 133 mm (5.2 in) over 16 days and high humidity at 83%. In contrast, August offers a much cooler atmosphere, with temperatures dipping to a minimum of 5°C (42°F) and peaking at 27°C (80°F). Precipitation is minimal in August, with only 5 mm (0.2 in) recorded over just one day and a lower humidity level of 68%. For more details on August weather, you can visit Antananarivo weather in August.
December and September present distinct weather contrasts. In December, temperatures range from a minimum of 13°C (56°F) to a maximum of 31°C (88°F), with an average of 21°C (70°F). This month experiences significant precipitation, averaging 133 mm (5.2 in) over 16 days, accompanied by high humidity levels at 83%. In contrast, September is generally cooler, with temperatures ranging from 8°C (47°F) to 29°C (85°F) and an average temperature of 17°C (62°F). Notably, September sees only 7 mm (0.3 in) of precipitation across just one day, resulting in lower humidity at 66%. For more details on September's weather, you can visit Antananarivo weather in September.
In comparing the weather in December and October, December tends to be warmer with average temperatures reaching 21°C (70°F), compared to October's 19°C (67°F). Despite having a maximum temperature of 32°C (90°F) in October, the cooler minimum temperature of 9°C (49°F) contrasts with December's milder lows of 13°C (56°F). Rainfall is significantly higher in December, with precipitation of 133 mm (5.2 in) over 16 days, while October sees only 24 mm (0.9 in) over 5 days, resulting in lower humidity levels of 67% in October versus 83% in December. For more details, you can check Antananarivo weather in October.
In comparing the weather in December and November, we observe that both months feature similar average temperatures, with December slightly warmer in terms of minimum temperature at 13°C (56°F) compared to November's 12°C (53°F). However, November experiences a higher maximum temperature at 32°C (89°F) versus December's peak of 31°C (88°F). Precipitation levels are notably higher in December, totaling 133 mm (5.2 in) over 16 days, while November has only 77 mm (3.0 in) across 11 days. Additionally, December's humidity is higher at 83%, compared to November's 74%, indicating a more humid feel during the later month. For a detailed look at November's weather specifically, visit Antananarivo weather in November.
December in Antananarivo marks a transition into the heart of the wet season, characterized by warm temperatures and increased humidity. With average highs reaching a pleasant 31°C, the city experiences vibrant days, though the warmth comes accompanied by significant rain, accumulating around 133 mm over approximately 16 days. Compared to the drier months earlier in the year, December’s lush conditions create a different ambiance, fostering a vibrant, green landscape. This weather not only sets the stage for the festive season but also contrasts sharply with the cooler, drier months, making it a unique time to experience the city's charm. To explore the full spectrum of climatic conditions, visit Antananarivo Climate.