December weather forecast
Madagascar

December in Madagascar marks the onset of the summer season, a period characterised by high temperatures and significant rainfall. This month is typically the start of the wettest period in Madagascar, affecting the accessibility of certain regions.

In the eastern and northeastern tropical regions, the average temperatures reach between 25°C (77°F) to 30°C (86°F), intensifying the humid conditions. Rainfall in these regions is high, with the tropical rainforest and monsoon climate zones receiving between 200mm (7.87") to 300mm (11.81") of rainfall, making it one of the wettest months of the year.

The central subtropical region experiences hot temperatures, with averages ranging between 20°C (68°F) and 25°C (77°F). The rainfall continues to rise significantly in this region during December, coinciding with the peak of the summer season.

The western warm steppe region experiences high temperatures in December, with averages from 30°C (86°F) to 35°C (95°F). Even though rainfall increases in this region, it continues to remain the driest part of the country relative to other regions.

When comparing December to November, there is a further escalation in both temperatures and rainfall across Madagascar. This trend typically continues into January, marking the height of the hot, rainy summer season in the country.

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• Antananarivo - December »
  The month with the most rainfall in Antananarivo is December, when the rain falls for 17 days and typically aggregates up to 310mm (12.2") of precipitation. The month with the longest days in Antananarivo is December, with an average of 13h and 12min of daylight.
• Toamasina - December »
  The average nighttime temperature in Toamasina lowers to an agreeable 21.9°C (71.4°F) throughout December. The arrival of December in Toamasina is marked by an average high-temperature of a still warm 29.4°C (84.9°F), bearing a close resemblance to November.
• Antsirabe - December »
  In Antsirabe in December, it is raining for 28.8 days, with typically 230mm (9.06") of accumulated precipitation. December has the longest days of the year in Antsirabe with an average of 13h and 18min of daylight.
• Fianarantsoa - December »
  The month with the longest days in Fianarantsoa is December, with an average of 13h and 24min of daylight. In Fianarantsoa in December, it is raining for 28.3 days, with typically 201mm (7.91") of accumulated precipitation.
• Mahajanga - December »
  On the first day of December in Mahajanga sunrise is at 05:14 and sunset at 18:13. In Mahajanga, Madagascar, the average seawater temperature in December is 29.3°C (84.7°F).
• Toliara - December »
  In Toliara, Madagascar, in December, during 10 rainfall days, 25mm (0.98") of precipitation is typically accumulated. December has the longest days of the year in Toliara with an average of 13h and 30min of daylight.
• Ambovombe - December »
  December has the most sunshine of the year in Ambovombe, with an average of 10.8h of sunshine. Ambovombe reaches its average highest temperatures in December, measuring 30.7°C (87.3°F) at the peak and 23.4°C (74.1°F) at the lowest.
• Amparafaravola - December »
  With an average of 13h and 12min of daylight, December has the longest days of the year in Amparafaravola, Madagascar. The months with the highest UV index in Amparafaravola are January through March, November and December, with an average maximum UV index of 7.
• Vavatenina - December »
  The least humid month in Vavatenina is December, with an average relative humidity of 78%. In Vavatenina in December, it is raining for 20.8 days, with typically 98mm (3.86") of accumulated precipitation.
• Morondava - December »
  In Morondava in December, the average water temperature is 28°C (82.4°F). Morondava's December weather, with an average high temperature of 32.3°C (90.1°F) and an average low temperature of 25.4°C (77.7°F), tends to be the warmest of the year.
• Ambanja - December »
  Delving into the beautiful chaos of the peak wet season, December transforms Ambanja into a verdant paradise, saturated under warm tropical rains and enveloped in high humidity. The month with the most sunshine in Ambanja, Madagascar, is December, with an average of 10.8h of sunshine.