December weather forecast
Toamasina, Madagascar

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Weather in December

December marks another turn in the weather saga of Toamasina, Madagascar. As the year closes, the weather offers up more rainfall, with the index reaching 357mm (14.06"). However, longer daylight hours and an increased sea temperature imply an overall warm and bright ambiance. The sunshine hours begin to lessen, but they still maintain a significant number. Notably, the mercury rises to its second-highest peak of 29.4°C (84.9°F), ushering in a full-fledged summer season.

Temperature

The arrival of December in Toamasina, Madagascar, is marked by an average high-temperature of a still warm 29.4°C (84.9°F), bearing a close resemblance to November. The average nighttime temperature in Toamasina, Madagascar, lowers to an agreeable 21.9°C (71.4°F) throughout December.

Heat index

The heat index in December is evaluated at a fiery hot 37°C (98.6°F). Implement more safety precautions, heat cramps and heat exhaustion may happen. Persistent activity could induce heatstroke.
Research indicates the heat index considers values in shaded locales and with light winds. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is a measure of how hot it feels when the actual air humidity is factored in. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.
Perspiration and the resultant sweat evaporation are the body's natural thermostat, helping regulate temperature. Under conditions of high temperature and humidity (enhanced heat index), sweat production is compromised, exacerbating the sensation of warmth. Heat-related complications, like dehydration, can manifest if the body's heat gain exceeds its dissipation capacity.

Humidity

In December, the average relative humidity is 84%.

Rainfall

In December, the rain falls for 17 days. Throughout December, 357mm (14.06") of precipitation is accumulated. In Toamasina, during the entire year, the rain falls for 211 days and collects up to 3368mm (132.6") of precipitation.

Sea temperature

In December, the average sea temperature is 28°C (82.4°F).
Note: Water activities including swimming and diving are pleasurable in temperatures between 25°C (77°F) and 29°C (84.2°F), ensuring comfort and enjoyment for extended time frames.

Daylight

December has the longest days of the year, with an average of 13h and 12min of daylight.
On the first day of December, sunrise is at 04:57 and sunset at 18:05. On the last day of the month, sunrise is at 05:09 and sunset at 18:21 EAT.

Sunshine

The average sunshine in December is 7.1h.

Frequently asked questions

How hot is December in Toamasina?

In Toamasina, in December, the average high-temperature is 29.4°C (84.9°F), and the average low-temperature is 21.9°C (71.4°F). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, in December is evaluated at 37°C (98.6°F).

What is the average humidity in December in Toamasina?

The average relative humidity in December in Toamasina, Madagascar, is 84%.

How many days does it rain in December in Toamasina?

In Toamasina, in December, during 17 rainfall days, 357mm (14.06") of precipitation is typically accumulated.

What is the water temperature in December in Toamasina?

In Toamasina, in December, the average water temperature is 28°C (82.4°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

When are the longest days in Toamasina?

With an average of 13h and 12min of daylight, December has the longest days of the year.

How many hours of daylight does Toamasina have in December?

In December, the average day length in Toamasina is 13h and 12min.

When are sunrise and sunset in December in Toamasina?

In December, on the first day of the month, sunrise is at 04:57 and sunset at 18:05. On the last day of the month, in Toamasina, sunrise is at 05:09 and sunset at 18:21 EAT.

How long on average sun shines in December in Toamasina?

In Toamasina, the average sunshine duration in December is 7.1h.

Average temperature in December
Toamasina, Madagascar

Average temperature in December - Toamasina, Madagascar
  • Average high temperature in December: 29.4°C

The warmest month (with the highest average high temperature) is February (30.3°C).
The month with the lowest average high temperature is July (24.8°C).

  • Average low temperature in December: 21.9°C

The month with the highest average low temperature is February (22.7°C).
The coldest month (with the lowest average low temperature) is August (17°C).

Average humidity in December
Toamasina, Madagascar

Average humidity in December - Toamasina, Madagascar
  • Average humidity in December: 84%

The months with the highest relative humidity are March, May, June and August (85%).
The month with the lowest relative humidity is October (82%).

Average rainfall in December
Toamasina, Madagascar

Average rainfall in December - Toamasina, Madagascar
  • Average rainfall in December: 357.3mm

The wettest month (with the highest rainfall) is March (478.4mm).
The driest month (with the least rainfall) is September (121.1mm).

Average rainfall days in December
Toamasina, Madagascar

Average rainfall days in December - Toamasina, Madagascar
  • Average rainfall days in December: 17 days

The month with the highest number of rainy days is July (22 days).
The month with the least rainy days is October (13 days).

Average sea temperature in December
Toamasina, Madagascar

Average sea temperature in December - Toamasina, Madagascar
  • Average sea temperature in December: 28°C

The best month for swimming (with the highest average sea temperature) is February (29°C).
The coldest month (with the lowest average sea temperature) is September (24.5°C).

Average daylight in December /
Average sunshine in December
Toamasina, Madagascar

Average daylight in December / Average sunshine in December - Toamasina, Madagascar
  • Average daylight in December: 13h and 1min

The month with the longest days is December (Average daylight: 13h and 12min).
The month with the shortest days is June (Average daylight: 11h and 6min).

  • Average sunshine in December: 7h and 1min

The month with the most sunshine is November (Average sunshine: 7h and 54min).
The month with the least sunshine is July (Average sunshine: 5h and 18min).

Toamasina, Madagascar

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