December weather forecastIabohazo, Madagascar
December
Weather in December
December, the first month of the summer in Iabohazo, is still a warm month, with an average temperature varying between 28.5°C (83.3°F) and 24.1°C (75.4°F).Temperature
The average high-temperature is a still moderately hot 28.5°C (83.3°F) in December, hardly different from the 26.9°C (80.4°F) recorded in November. Iabohazo's nighttime temperatures in December display a slight drop from daytime highs, averaging to a still warm 24.1°C (75.4°F).Heat index
The heat index value during December is computed to be a hot 33°C (91.4°F). Implement more preventive measures, heat cramps and heat exhaustion are probable. Heatstroke might result from extended activity.Keep in mind the heat index values are meant for areas in shade and with light wind. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is the result of factoring in humidity to the air temperature, indicating perceived warmth. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.
Humidity
In December, the average relative humidity is 79%.Rainfall
In Iabohazo, during December, the rain falls for 21 days and regularly aggregates up to 89mm (3.5") of precipitation. Throughout the year, there are 217.3 rainfall days, and 880mm (34.65") of precipitation is accumulated.Daylight
December has the longest days of the year, with an average of 13h and 30min of daylight.On the first day of December in Iabohazo, sunrise is at 04:55 and sunset at 18:21. On the last day of the month, sunrise is at 05:06 and sunset at 18:37 EAT.
Sunshine
December has the most sunshine of the year in Iabohazo, with an average of 9.7h of sunshine.UV index
The months with the highest UV index are January, February and December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 7 during December translates into the following guidance:
Resist extreme sun exposure. Guarding against solar damage is essential. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Iabohazo, 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
Iabohazo, 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
Iabohazo, 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
Iabohazo, 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
Iabohazo, 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
Iabohazo, 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 daylight in December /
Average sunshine in December
Iabohazo, 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
Iabohazo, 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
Iabohazo, 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
Iabohazo, 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
Iabohazo, 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).





