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 is December, when the rain falls for 17 days and typically aggregates up to 310mm (12.2") of precipitation. January through March, October through December, with an average maximum UV index of 12, are months with the highest UV index in Antananarivo, Madagascar.
• Toamasina - December »
  The average temperature in Toamasina drops to an agreeable 21.9°C (71.4°F) during the night in the month of December. As November transitions into December, Toamasina records an average high-temperature of a still warm 29.4°C (84.9°F), showing a gentle shift from the preceding month.
• Antsirabe - December »
  The month with the longest days in Antsirabe is December, with an average of 13h and 18min of daylight. In Antsirabe, in December, during 28.8 rainfall days, 230mm (9.06") of precipitation is typically accumulated.
• Fianarantsoa - December »
  In Fianarantsoa, during December, the rain falls for 28.3 days and regularly aggregates up to 201mm (7.91") of precipitation. In Fianarantsoa, in December, during 28.3 rainfall days, 201mm (7.91") of precipitation is typically accumulated.
• Mahajanga - December »
  With an average of 13h and 0min of daylight, December has the longest days of the year in Mahajanga, Madagascar. December has the longest days of the year in Mahajanga, with an average of 13h and 0min of daylight.
• Toliara - December »
  In Toliara in December, during 10 rainfall days, 25mm (0.98") of precipitation is typically accumulated. With an average of 13h and 30min of daylight, December has the longest days of the year in Toliara, Madagascar.
• Ambovombe - December »
  The month with the longest days in Ambovombe, Madagascar, is December, with an average of 13h and 42min of daylight. With an average of 13h and 42min of daylight, December has the longest days of the year in Ambovombe.
• Amparafaravola - December »
  December is the least humid month in Amparafaravola with an average relative humidity of 78%. In Amparafaravola in December, it is raining for 20.8 days, with typically 98mm (3.86") of accumulated precipitation.
• Vavatenina - December »
  In Vavatenina during December, the rain falls for 20.8 days and regularly aggregates up to 98mm (3.86") of precipitation. With an average relative humidity of 78%, December is the least humid month in Vavatenina.
• Morondava - December »
  In Morondava, December is the month with the highest recorded average temperatures, measuring a high of 32.3°C (90.1°F) and a low of 25.4°C (77.7°F). The month with the longest days in Morondava is December, with an average of 13h and 18min of daylight.
• Ambanja - December »
  The month with the longest days in Ambanja is December, with an average of 12h and 54min of daylight. In Ambanja, Madagascar, in December, during 29.6 rainfall days, 230mm (9.06") of precipitation is typically accumulated.