December weather forecast
Crateús, Brazil

December, the first month of the summer in Crateús, is also a hot month, with an average temperature ranging between max 33.8°C (92.8°F) and min 23.5°C (74.3°F).

Temperature

Transitioning from November to December, Crateús observes an average high-temperature of a still tropical 33.8°C (92.8°F), differing subtly from the previous month. Throughout the December nights, Crateús encounters a low-temperature of 23.5°C (74.3°F).

Heat index

The heat index for December is calculated to be a torrid 39°C (102.2°F). Undertake special precautions, the probability of heat exhaustion and heat cramps is high. Prolonged activity may provoke heatstroke.
In reference to the heat index, it's for places in shade and with a slight wind. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'feels like', arises from combining readings of air temperature and relative moisture content. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
When it comes to cooling down, the human body's primary method is through perspiration, making use of sweat evaporation to eliminate excess heat. When relative humidity is heightened, it slows the rate of evaporation, thereby decreasing the body's ability to shed heat and creating a sensation of overheating. As body temperatures escalate without effective heat release, one might face dehydration threats.

Humidity

In December, the average relative humidity in Crateús is 54%.

Rainfall

In Crateús, in December, during 12.8 rainfall days, 33mm (1.3") of precipitation is typically accumulated. Throughout the year, in Crateús, there are 171.3 rainfall days, and 753mm (29.65") of precipitation is accumulated.

Daylight

December has the longest days of the year in Crateús, with an average of 12h and 24min of daylight.
On the first day of the month, sunrise is at 05:19 and sunset at 17:43. On the last day of December, in Crateús, sunrise is at 05:33 and sunset at 17:58 -03.

Sunshine

In December, the average sunshine is 8.6h.

UV index

April, July through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the average person.
Note: The daily high UV index of 7 during December translates into the following recommendations:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.