December weather forecastUrucará, Brazil

Weather in December

December, the first month of the summer in Urucará, is still a hot month, with an average temperature ranging between min 23.5°C (74.3°F) and max 32.2°C (90°F).

Temperature

December's climate shows a minor adjustment in average high-temperatures to a still hot 32.2°C (90°F) from November's 34.7°C (94.5°F). Urucará's temperature lowers to a mean of 23.5°C (74.3°F) during the nights in December.

Heat index

In December, the average heat index is computed to be a blistering 44°C (111.2°F). Forewarned: Heat cramps and heat exhaustion are anticipated. Ongoing physical activity increases the likelihood of heatstroke.
Given the heat index, its values are aligned with shaded sites and gentle winds. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', measures the perceived warmth when incorporating the humidity present in the air. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.
The body's inherent cooling system operates through perspiration, wherein evaporating sweat offsets excessive heat. An elevated level of relative humidity hinders evaporation, leading to decreased heat elimination from the body, inducing a sensation of excess heat. The body faces dehydration threats when its cooling efforts are outpaced by excessive heat gain.

Humidity

In Urucará, Brazil, the average relative humidity in December is 78%.

Rainfall

In Urucará, in December, it is raining for 24.4 days, with typically 157mm (6.18") of accumulated precipitation. Throughout the year, there are 257 rainfall days, and 1294mm (50.94") of precipitation is accumulated.

Daylight

The month with the longest days in Urucará is December, with an average of 12h and 18min of daylight.
On the first day of the month, sunrise is at 05:32 and sunset at 17:48. On the last day of December, sunrise is at 05:46 and sunset at 18:02 -04.

Sunshine

In December, the average sunshine in Urucará is 7.6h.

UV index

The average daily maximum UV index in December is 7. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum UV index, 7 during December, leads to the following recommendations:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.