December weather forecastManakara, Madagascar
December
Weather in December
December concludes the year in Manakara with a warm high of 28.5°C (83.3°F). The temperature rises in harmony with the festive season, contributing to a jovial atmosphere. However, this month witnesses the peak in rainfall, signaling the full swing of the wet season. While the days grow longer, offering more beach time, showers become widespread. The end of the year landscape in Manakara is characterized by lush greenery nourished by the year-end rainfall.Temperature
The transition into December in Manakara marks the average high-temperature at a still warm 28.5°C (83.3°F), differing minimally from November's 26.9°C (80.4°F). Manakara's temperature during December nights registers a minor decrease to an average low of 24.1°C (75.4°F).Heat index
The average heat index in December is evaluated at a hot 33°C (91.4°F). Apply extra caution, heat cramps and heat exhaustion could happen. Heatstroke might occur with long-duration activity.Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.
Humidity
In December, the average relative humidity is 79%.Rainfall
In December, in Manakara, the rain falls for 21 days. Throughout December, 89mm (3.5") of precipitation is accumulated. Throughout the year, there are 217.3 rainfall days, and 880mm (34.65") of precipitation is accumulated.Sea temperature
In Manakara, the average seawater temperature in December is 27.2°C (81°F).Note: Surface water temperatures ranging from 25°C (77°F) to 29°C (84.2°F) are considered superb and highly pleasant for water activities over extended periods.
Daylight
With an average of 13h and 30min of daylight, December has the longest days of the year in Manakara, Madagascar.On the first day of December, sunrise is at 04:55 and sunset at 18:18. On the last day of the month, sunrise is at 05:07 and sunset at 18:35 EAT.
Sunshine
December has the most sunshine of the year, with an average of 9.7h of sunshine.UV index
January, February and December, with an average maximum UV index of 7, are months with the highest UV index in Manakara. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the average person.Note: In December, a daily maximum UV index of 7 leads to the following instructions:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Always opt for UVA and UVB-resistant sunglasses on radiant days. Alert! Sand and water increase UV exposure due to their reflective properties.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Manakara, Madagascar
- Average high temperature in December: 28.5°C
The warmest month (with the highest average high temperature) is January (28.7°C).
The month with the lowest average high temperature is July (22.8°C).
- Average low temperature in December: 24.1°C
The month with the highest average low temperature is January (24.3°C).
The coldest month (with the lowest average low temperature) is July (18.4°C).
Average pressure in December
Manakara, Madagascar
- Average pressure in December: 1013.4mbar
The month with the highest atmospheric pressure is July (1022.6mbar).
The month with the lowest atmospheric pressure is January (1011.9mbar).
Average wind speed in December
Manakara, Madagascar
- Average wind speed in December: 14.9km/h
The windiest month (with the highest average wind speed) is October (17.1km/h).
The calmest month (with the lowest average wind speed) is May (11km/h).
Average humidity in December
Manakara, Madagascar
- Average humidity in December: 79%
The month with the highest relative humidity is March (82%).
The months with the lowest relative humidity are July, August and September (78%).
Average rainfall in December
Manakara, Madagascar
- Average rainfall in December: 89mm
The wettest month (with the highest rainfall) is January (151mm).
The driest month (with the least rainfall) is September (24mm).
Average rainfall days in December
Manakara, Madagascar
- Average rainfall days in December: 21 days
The month with the highest number of rainy days is January (22 days).
The month with the least rainy days is September (12.2 days).
Average sea temperature in December
Manakara, Madagascar
- Average sea temperature in December: 27.2°C
The best months for swimming (with the highest average sea temperature) are February and March (28.6°C).
The coldest month (with the lowest average sea temperature) is September (24.2°C).
Average daylight in December /
Average sunshine in December
Manakara, Madagascar
- Average daylight in December: 13h and 30min
The month with the longest days is December (Average daylight: 13h and 30min).
The month with the shortest days is June (Average daylight: 10h and 48min).
- Average sunshine in December: 9h and 42min
The month with the most sunshine is December (Average sunshine: 9h and 42min).
The month with the least sunshine is June (Average sunshine: 5h and 54min).
Average sunshine days in December
Manakara, Madagascar
- Average sunshine days in December: 6.7 days
The month with the most sunshine days is September (12.9 days).
The month with the least sunshine days is January (6.3 days).
Average UV index in December
Manakara, Madagascar
- Average UV index in December: 7
The months with the highest UV index are January, February and December (UV index 7).
The months with the lowest UV index are March, April, May, June, July, August, September, October and November (UV index 6).
Average cloud cover in December
Manakara, Madagascar
- Average cloud cover in December: 44
The months with the most cloud cover are March and November (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in December
Manakara, Madagascar
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





