December weather forecastIhosy, Madagascar

December

Weather in December

December, the first month of the summer in Ihosy, is also a moderately hot month, with an average temperature varying between 29.7°C (85.5°F) and 19.7°C (67.5°F).

Temperature

With December's arrival, Ihosy's weather records an average high-temperature of a moderately hot 29.7°C (85.5°F), marking little difference from November's 30.5°C (86.9°F). Throughout December, Ihosy records an average temperature of 19.7°C (67.5°F) at night.

Heat index

Throughout December, the heat index is appraised at a tropical 33°C (91.4°F). Exercise special caution, heat exhaustion and heat cramps are probable. Prolonged activity may induce heatstroke.
Note that heat index values are valued for light wind and location in the shade. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'real feel' or 'apparent temperature', joins air temperature with relative humidity to produce a temperature perception for humans. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.

Humidity

The average relative humidity in December in Ihosy is 65%.

Rainfall

In Ihosy, Madagascar, in December, it is raining for 19.5 days, with typically 102mm (4.02") of accumulated precipitation. Throughout the year, there are 142.5 rainfall days, and 647mm (25.47") of precipitation is accumulated.

Daylight

With an average of 13h and 30min of daylight, December has the longest days of the year in Ihosy.
On the first day of December in Ihosy, sunrise is at 05:02 and sunset at 18:26. On the last day of the month, sunrise is at 05:14 and sunset at 18:43 EAT.

Sunshine

In December, the average sunshine in Ihosy is 11.3h.

UV index

January through March, September through December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: A daily high UV index of 6 in December leads to these guidelines:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.

Updated: Feb 4, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Ihosy in December has an average high-temperature of 29.7°C (85.5°F) and an average low-temperature of 19.7°C (67.5°F). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in December is appraised at 33°C (91.4°F).

In Ihosy, the average relative humidity in December is 65%.

In Ihosy, Madagascar, during December, the rain falls for 19.5 days and regularly aggregates up to 102mm (4.02") of precipitation.

December has the longest days of the year in Ihosy, Madagascar, with an average of 13h and 30min of daylight.

In December, the average day length is 13h and 29min.

On the first day of December in Ihosy, sunrise is at 05:02 and sunset at 18:26. On the last day of the month, sunrise is at 05:14 and sunset at 18:43 EAT.

In December, the average sunshine duration in Ihosy is 11.3h.

The months with the highest UV index in Ihosy are January through March, September through December, with an average maximum UV index of 6.

The average daily maximum UV index in December in Ihosy is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

30.5°C

29.7°C

27.8°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

13.3km/h

11.8km/h

12.2km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

15.9

10.2

5.5

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Ihosy, Madagascar

Average high temperature in December: 29.7°C

The warmest month (with the highest average high temperature) is November (30.5°C).
The month with the lowest average high temperature is July (22.6°C).

Average low temperature in December: 19.7°C

The month with the highest average low temperature is December (19.7°C).
The coldest month (with the lowest average low temperature) is July (11.4°C).

Average pressure in December
Ihosy, Madagascar

Average pressure in December: 1012mbar

The month with the highest atmospheric pressure is July (1021.1mbar).
The month with the lowest atmospheric pressure is January (1010.8mbar).

Average wind speed in December
Ihosy, Madagascar

Average wind speed in December: 10.8km/h

The windiest month (with the highest average wind speed) is July (13.2km/h).
The calmest month (with the lowest average wind speed) is December (10.8km/h).

Average humidity in December
Ihosy, Madagascar

Average humidity in December: 65%

The month with the highest relative humidity is March (79%).
The months with the lowest relative humidity are September and October (51%).

Average rainfall in December
Ihosy, Madagascar

Average rainfall in December: 102mm

The wettest month (with the highest rainfall) is January (192mm).
The driest months (with the least rainfall) are July and August (2mm).

Average rainfall days in December
Ihosy, Madagascar

Average rainfall days in December: 19.5 days

The month with the highest number of rainy days is January (24.9 days).
The months with the least rainy days are July and August (2.4 days).

Average daylight in December /
Average sunshine in December
Ihosy, 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: 11h and 18min

The month with the most sunshine is November (Average sunshine: 11h and 42min).
The month with the least sunshine is April (Average sunshine: 7h and 18min).

Average sunshine days in December
Ihosy, Madagascar

Average sunshine days in December: 10.2 days

The month with the most sunshine days is July (27.9 days).
The month with the least sunshine days is January (5.5 days).

Average UV index in December
Ihosy, Madagascar

Average UV index in December: 6

The months with the highest UV index are January, February, March, September, October, November and December (UV index 6).
The months with the lowest UV index are April, May, June, July and August (UV index 5).

Average cloud cover in December
Ihosy, Madagascar

Average cloud cover in December: 30

The month with the most cloud cover is January (Cloud cover 43).
The month with the least cloud cover is September (Cloud cover 10).

Average visibility in December
Ihosy, Madagascar

Average visibility in December: 10km

The months with the highest visibility are June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April and May (9km).