December weather forecast
Bela Cruz, Brazil

The first month of the summer, December, is still a hot month in Bela Cruz, Brazil, with an average temperature ranging between min 25.9°C (78.6°F) and max 31°C (87.8°F).

Temperature

Bela Cruz starts December with an average high-temperature of a still hot 31°C (87.8°F), hinting at a minimal fluctuation from November. December sees the temperature falling to a mean low of 25.9°C (78.6°F).

Heat index

December's mean heat index is computed to be a sweltering 38°C (100.4°F). Take more caution, heat exhaustion and heat cramps may occur. Long-lasting activity may cause heatstroke.
Understand that the heat index values take into account shaded locations and mild winds. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a value derived by merging air temperature with the humidity to convey how the climate feels. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
The process of perspiration is vital for the human body to get rid of excess warmth by allowing sweat to evaporate. An increase in relative humidity disrupts body cooling by slowing the evaporation rate, thereby reducing the rate at which the body cools and amplifying the sense of heat. When body heat isn't effectively managed, risks of dehydration and overheating amplify.

Humidity

In December, the average relative humidity in Bela Cruz is 72%.

Rainfall

In Bela Cruz, in December, during 12.4 rainfall days, 27mm (1.06") of precipitation is typically accumulated. In Bela Cruz, Brazil, during the entire year, the rain falls for 198.4 days and collects up to 840mm (33.07") of precipitation.

Daylight

With an average of 12h and 18min of daylight, December has the longest days of the year in Bela Cruz.
On the first day of December in Bela Cruz, sunrise is at 05:21 and sunset at 17:38. On the last day of the month, sunrise is at 05:35 and sunset at 17:52 -03.

Sunshine

The average sunshine in December is 7.9h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index. January through December, with an average maximum UV index of 7, are months with the lowest UV index in Bela Cruz. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: In December, the maximum UV index of 7 translates into these guidelines:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.