December weather forecastIrina, Madagascar

December

Weather in December

The first month of the summer, December, is also a moderately hot month in Irina, Madagascar, with an average temperature ranging between max 29.7°C (85.5°F) and min 19.7°C (67.5°F).

Temperature

In Irina, December's average high-temperature stands at a moderately hot 29.7°C (85.5°F), closely related to the preceding month. Irina records a steady low-temperature average of 19.7°C (67.5°F) during December.

Heat index

During December, the heat index is computed to be a hot 33°C (91.4°F). Adopt heightened safety measures, heat cramps and heat exhaustion may occur. Sustained activity might cause heatstroke.
Know that the heat index computations account for shaded terrains and slight 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 'felt air temperature', quantifies the warmth felt when relative humidity is considered. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to 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

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

Rainfall

In Irina, during December, the rain falls for 19.5 days and regularly aggregates up to 102mm (4.02") of precipitation. Throughout the year, there are 142.5 rainfall days, and 647mm (25.47") of precipitation is accumulated.

Daylight

The month with the longest days in Irina is December, with an average of 13h and 30min of daylight.
On the first day of December in Irina, 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 Irina is 11.3h.

UV index

The months with the highest UV index are January through March, September through December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index, 6 in December, converts into the following recommendations:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Experience reduced UV exposure by about half when donning a wide-brim hat.

Frequently asked questions

During December, Irina experiences an average high-temperature of 29.7°C (85.5°F) and a low-temperature of 19.7°C (67.5°F). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines relative humidity and air temperature, in December is computed to be 33°C (91.4°F).

The average relative humidity in December is 65%.

In December, in Irina, the rain falls for 19.5 days. Throughout December, 102mm (4.02") of precipitation is accumulated.

The month with the longest days is December, with an average of 13h and 30min of daylight.

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

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

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

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

In Irina, the average daily maximum UV index in December is 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Irina, 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
Irina, 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
Irina, 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
Irina, 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
Irina, 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
Irina, 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
Irina, 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
Irina, 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
Irina, 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
Irina, 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
Irina, 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).