December weather forecastAracati, Brazil

December

Weather in December

December, the first month of the summer in Aracati, is still a hot month, with an average temperature ranging between max 31°C (87.8°F) and min 25.7°C (78.3°F).

Temperature

Aracati's weather in December indicates an average high-temperature of a still tropical 31°C (87.8°F), nearly consistent with the 31.1°C (88°F) of November. During December, Aracati's temperature averages to a warm 25.7°C (78.3°F) at night.

Heat index

The heat index for December is computed to be a sweltering 38°C (100.4°F). Preventive measures are required to mitigate the risk of heat cramps and heat exhaustion. Continuous activity may precipitate heatstroke.
Heat index details are generally centered around shaded locations and a mild breeze. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', unifies temperature and humidity readings to offer a comprehensive feel of warmth. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important 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.
When it comes to cooling down, the human body's primary method is through perspiration, making use of sweat evaporation to eliminate excess heat. Under high air temperature and high humidity (high heat index) conditions, the body's ability to perspire is compromised, increasing the sensation of heat. When the body's heat gain surpasses its removal capacity, body temperature starts to climb, leading to potential heat-related ailments.

Humidity

The average relative humidity in December in Aracati is 70%.

Rainfall

In Aracati, Brazil, in December, during 9.9 rainfall days, 16mm (0.63") of precipitation is typically accumulated. Throughout the year, in Aracati, there are 155.5 rainfall days, and 547mm (21.54") of precipitation is accumulated.

Daylight

December has the longest days of the year, with an average of 12h and 24min of daylight.
On the first day of the month, sunrise is at 05:09 and sunset at 17:31. On the last day of December, sunrise is at 05:22 and sunset at 17:45 -03.

Sunshine

In Aracati, the average sunshine in December is 8.3h.

UV index

The months with the highest UV index are January through December, with an average maximum UV index of 7. The months with the lowest UV index in Aracati are January through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index of 7 in December interprets into the following recommendations:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. A hat with a broad brim is indispensable, filtering out up to half of UV rays.

Frequently asked questions

In Aracati, 31°C (87.8°F) is the average high-temperature and 25.7°C (78.3°F) is the average low-temperature during December. The average heat index (a.k.a. 'real feel', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in December is computed to be 38°C (100.4°F).

The average relative humidity in December in Aracati, Brazil, is 70%.

In December, in Aracati, Brazil, the rain falls for 9.9 days. Throughout December, 16mm (0.63") of precipitation is accumulated.

The month with the longest days in Aracati, Brazil, is December, with an average of 12h and 24min of daylight.

The average day length in December in Aracati, Brazil, is 12h and 23min.

In December, on the first day of the month, sunrise is at 05:09 and sunset at 17:31. On the last day of the month, sunrise is at 05:22 and sunset at 17:45 -03.

In Aracati, Brazil, the average sunshine duration in December is 8.3h.

The months with the highest UV index in Aracati, Brazil, are January through December, with an average maximum UV index of 7.

The months with the lowest UV index in Aracati are January through December, with an average maximum UV index of 7.

The average daily maximum UV index in December in Aracati, Brazil, is 7. A UV Index reading of 6 to 7 represents a high hazard to health 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
Aracati, Brazil

  • Average high temperature in December: 31°C

The warmest month (with the highest average high temperature) is October (31.4°C).
The month with the lowest average high temperature is July (29.9°C).

  • Average low temperature in December: 25.7°C

The months with the highest average low temperature are January, February and December (25.7°C).
The coldest month (with the lowest average low temperature) is August (23°C).

Average pressure in December
Aracati, Brazil

  • Average pressure in December: 1010.6mbar

The month with the highest atmospheric pressure is July (1014mbar).
The month with the lowest atmospheric pressure is November (1010.4mbar).

Average wind speed in December
Aracati, Brazil

  • Average wind speed in December: 22.6km/h

The windiest month (with the highest average wind speed) is September (25.5km/h).
The calmest month (with the lowest average wind speed) is April (16.2km/h).

Average humidity in December
Aracati, Brazil

  • Average humidity in December: 70%

The months with the highest relative humidity are April and May (77%).
The months with the lowest relative humidity are August and September (68%).

Average rainfall in December
Aracati, Brazil

  • Average rainfall in December: 16mm

The wettest month (with the highest rainfall) is April (116mm).
The driest month (with the least rainfall) is September (1mm).

Average rainfall days in December
Aracati, Brazil

  • Average rainfall days in December: 9.9 days

The month with the highest number of rainy days is April (22.3 days).
The month with the least rainy days is September (2.5 days).

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

  • Average daylight in December: 12h and 24min

The month with the longest days is December (Average daylight: 12h and 24min).
The month with the shortest days is June (Average daylight: 11h and 54min).

  • Average sunshine in December: 8h and 18min

The month with the most sunshine is August (Average sunshine: 9h and 30min).
The month with the least sunshine is March (Average sunshine: 8h and 6min).

Average sunshine days in December
Aracati, Brazil

  • Average sunshine days in December: 14.2 days

The month with the most sunshine days is September (25.3 days).
The month with the least sunshine days is April (6.3 days).

Average UV index in December
Aracati, Brazil

  • Average UV index in December: 7

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

Average cloud cover in December
Aracati, Brazil

  • Average cloud cover in December: 33

The month with the most cloud cover is April (Cloud cover 39).
The month with the least cloud cover is September (Cloud cover 19).

Average visibility in December
Aracati, Brazil

  • 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).