December weather forecastAlcântaras, Brazil

December weather for Alcântaras, Brazil: December, the first month of the summer in Alcântaras, is also a hot month, with temperature in the range of an average high of 33.7°C (92.7°F) and an average low of 24.1°C (75.4°F). In Alcântaras, Brazil, in December, during 14.4 rainfall days, 45mm (1.77") of precipitation is typically accumulated.

December

Weather in December

December, the first month of the summer in Alcântaras, is also a hot month, with temperature in the range of an average high of 33.7°C (92.7°F) and an average low of 24.1°C (75.4°F).

Temperature

The advent of December presents an average high-temperature of a hot 33.7°C (92.7°F), maintaining a close correlation with the preceding month. Throughout the month of December, Alcântaras observes an average nighttime temperature of 24.1°C (75.4°F).

Heat index

The heat index for December is computed to be a scorching 43°C (109.4°F). Be wary: Heat exhaustion and heat cramps are highly anticipated. With continued activity, heatstroke is very likely.
When assessing, remember that heat index measurements are for light winds and shaded spots. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', binds temperature metrics with humidity values to give a sense of the actual warmth. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
Humans rely on perspiration as a cooling mechanism, wherein the evaporating sweat counteracts excessive warmth. Heightened relative humidity interferes with the body's usual cooling mechanism by reducing evaporation, subsequently decreasing the body's cooling rate and increasing the sensation of heat. As the body gains more heat than it can dissipate, there's a risk of increasing temperatures and resultant overheating.

Humidity

In Alcântaras, the average relative humidity in December is 63%.

Rainfall

In December, the rain falls for 14.4 days. Throughout December, 45mm (1.77") of precipitation is accumulated. In Alcântaras, during the entire year, the rain falls for 204.6 days and collects up to 1055mm (41.54") of precipitation.

Daylight

With an average of 12h and 18min of daylight, December has the longest days of the year in Alcântaras.
On the first day of the month, sunrise is at 05:21 and sunset at 17:40. On the last day of December, in Alcântaras, sunrise is at 05:35 and sunset at 17:55 -03.

Sunshine

The average sunshine in December in Alcântaras is 7.1h.

UV index

July through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: An average UV index of 7 in December transforms into this advice:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.

Frequently asked questions

In December, in Alcântaras, the average high-temperature is 33.7°C (92.7°F), and the average low-temperature is 24.1°C (75.4°F). In December, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is computed to be 43°C (109.4°F).

The average relative humidity in December in Alcântaras is 63%.

In Alcântaras, Brazil, in December, during 14.4 rainfall days, 45mm (1.77") of precipitation is typically accumulated.

With an average of 12h and 18min of daylight, December has the longest days of the year.

The average day length in December in Alcântaras, Brazil, is 12h and 20min.

In December, on the first day of the month, sunrise is at 05:21 and sunset at 17:40. On the last day of the month, sunrise is at 05:35 and sunset at 17:55 -03.

In December, the average sunshine duration is 7.1h.

July through December, with an average maximum UV index of 7, are months with the highest UV index in Alcântaras, Brazil.

In Alcântaras, the average daily maximum UV index in December is 7. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to 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
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Alcântaras, Brazil

  • Average high temperature in December: 33.7°C

The warmest month (with the highest average high temperature) is October (35.8°C).
The month with the lowest average high temperature is April (30.3°C).

  • Average low temperature in December: 24.1°C

The month with the highest average low temperature is November (24.2°C).
The coldest months (with the lowest average low temperature) are June and July (20.9°C).

Average pressure in December
Alcântaras, Brazil

  • Average pressure in December: 1010.4mbar

The month with the highest atmospheric pressure is July (1013.7mbar).
The month with the lowest atmospheric pressure is November (1009.9mbar).

Average wind speed in December
Alcântaras, Brazil

  • Average wind speed in December: 13.7km/h

The windiest month (with the highest average wind speed) is October (15.8km/h).
The calmest month (with the lowest average wind speed) is April (7.7km/h).

Average humidity in December
Alcântaras, Brazil

  • Average humidity in December: 63%

The month with the highest relative humidity is April (85%).
The months with the lowest relative humidity are September and October (57%).

Average rainfall in December
Alcântaras, Brazil

  • Average rainfall in December: 45mm

The wettest month (with the highest rainfall) is March (242mm).
The driest month (with the least rainfall) is September (3mm).

Average rainfall days in December
Alcântaras, Brazil

  • Average rainfall days in December: 14.4 days

The month with the highest number of rainy days is March (29 days).
The month with the least rainy days is September (5.1 days).

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

  • Average daylight in December: 12h and 18min

The month with the longest days is December (Average daylight: 12h and 18min).
The month with the shortest days is June (Average daylight: 11h and 54min).

  • Average sunshine in December: 7h and 6min

The month with the most sunshine is August (Average sunshine: 9h and 18min).
The month with the least sunshine is March (Average sunshine: 5h and 36min).

Average sunshine days in December
Alcântaras, Brazil

  • Average sunshine days in December: 12.5 days

The month with the most sunshine days is September (23.3 days).
The months with the least sunshine days are March and April (1.6 days).

Average UV index in December
Alcântaras, Brazil

  • Average UV index in December: 7

The months with the highest UV index are July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May and June (UV index 6).

Average cloud cover in December
Alcântaras, Brazil

  • Average cloud cover in December: 42

The month with the most cloud cover is March (Cloud cover 58).
The months with the least cloud cover are August and September (Cloud cover 21).

Average visibility in December
Alcântaras, Brazil

  • Average visibility in December: 10km

The months with the highest visibility are August, September, October, November and December (10km).
The months with the lowest visibility are March, April and May (7km).