December weather forecastItambaracá, Brazil

December

Weather in December

The first month of the summer, December, is still a warm month in Itambaracá, Brazil, with an average temperature ranging between min 19.5°C (67.1°F) and max 29.4°C (84.9°F).

Temperature

December's arrival shows an average high-temperature of a still warm 29.4°C (84.9°F), hardly different from the previous month. Itambaracá, during the month of December, experiences an average low-temperature of 19.5°C (67.1°F).

Heat index

The heat index value for December is computed to be a very hot 36°C (96.8°F). Take additional safety steps, risk of heat exhaustion and heat cramps is notable. Prolonged activity may cause heatstroke.
It is emphasized that the heat index's values are meant for shaded zones with mild winds. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.
One of the main methods the human body employs to cool down is by perspiring, as this process allows sweat to evaporate and remove excess heat. In high relative humidity, the body's ability to evaporate heat is diminished, resulting in a heightened feeling of warmth. Elevated heat gain compared to the body's release capability poses risks of dehydration and potential overheating.

Humidity

In December, the average relative humidity is 81%.

Rainfall

In December, the rain falls for 25.1 days. Throughout December, 139mm (5.47") of precipitation is accumulated. In Itambaracá, during the entire year, the rain falls for 202.5 days and collects up to 1195mm (47.05") of precipitation.

Daylight

December has the longest days of the year, with an average of 13h and 30min of daylight.
On the first day of December, sunrise is at 05:27 and sunset at 18:54. On the last day of the month, sunrise is at 05:39 and sunset at 19:10 -03.

Sunshine

In Itambaracá, the average sunshine in December is 7.9h.

UV index

April through July and December, with an average maximum UV index of 5, are months with the lowest UV index in Itambaracá. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: In December, the UV index of 5 transforms into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.

Frequently asked questions

The high-temperature, in December, in Itambaracá, is 29.4°C (84.9°F), while the low-temperature averages to 19.5°C (67.1°F). In December, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is computed to be 36°C (96.8°F).

In December, the average relative humidity is 81%.

In Itambaracá, in December, during 25.1 rainfall days, 139mm (5.47") of precipitation is typically accumulated.

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

In Itambaracá, the average day length in December is 13h and 31min.

In December, on the first day of the month, sunrise is at 05:27 and sunset at 18:54. On the last day of the month, in Itambaracá, sunrise is at 05:39 and sunset at 19:10 -03.

In December, the average sunshine duration is 7.9h.

The months with the lowest UV index are April through July and December, with an average maximum UV index of 5.

In Itambaracá, the average daily maximum UV index in December is 5. A UV Index estimate of 3 to 5 represents a moderate health threat from unsafe exposure to Sun's UV rays.
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
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Itambaracá, Brazil

  • Average high temperature in December: 29.4°C

The warmest month (with the highest average high temperature) is October (29.7°C).
The month with the lowest average high temperature is June (22.5°C).

  • Average low temperature in December: 19.5°C

The months with the highest average low temperature are February and December (19.5°C).
The coldest months (with the lowest average low temperature) are June and July (13.3°C).

Average pressure in December
Itambaracá, Brazil

  • Average pressure in December: 1010.8mbar

The month with the highest atmospheric pressure is July (1019mbar).
The month with the lowest atmospheric pressure is December (1010.8mbar).

Average wind speed in December
Itambaracá, Brazil

  • Average wind speed in December: 8.8km/h

The windiest month (with the highest average wind speed) is September (10.9km/h).
The calmest month (with the lowest average wind speed) is February (8.1km/h).

Average humidity in December
Itambaracá, Brazil

  • Average humidity in December: 81%

The months with the highest relative humidity are January, February and June (86%).
The month with the lowest relative humidity is September (64%).

Average rainfall in December
Itambaracá, Brazil

  • Average rainfall in December: 139mm

The wettest month (with the highest rainfall) is January (197mm).
The driest month (with the least rainfall) is August (40mm).

Average rainfall days in December
Itambaracá, Brazil

  • Average rainfall days in December: 25.1 days

The month with the highest number of rainy days is January (27 days).
The month with the least rainy days is August (7.1 days).

Average daylight in December /
Average sunshine in December
Itambaracá, Brazil

  • 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 42min).

  • Average sunshine in December: 7h and 54min

The month with the most sunshine is August (Average sunshine: 9h and 12min).
The month with the least sunshine is January (Average sunshine: 7h and 12min).

Average sunshine days in December
Itambaracá, Brazil

  • Average sunshine days in December: 4.6 days

The month with the most sunshine days is August (22.5 days).
The month with the least sunshine days is February (2.7 days).

Average UV index in December
Itambaracá, Brazil

  • Average UV index in December: 5

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

Average cloud cover in December
Itambaracá, Brazil

  • Average cloud cover in December: 46

The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 20).

Average visibility in December
Itambaracá, Brazil

  • Average visibility in December: 8km

The months with the highest visibility are August and September (10km).
The month with the lowest visibility is January (7km).