December weather forecast
Peixe-Boi, Brazil

The first month of the summer, December, is still a tropical month in Peixe-Boi, Brazil, with an average temperature ranging between max 31.9°C (89.4°F) and min 23.2°C (73.8°F).

Temperature

The shift into December uncovers an average high-temperature of a still tropical 31.9°C (89.4°F), subtly different from the previous month. In Peixe-Boi, the average nighttime temperature during December is a warm 23.2°C (73.8°F).

Heat index

December's heat index is computed to be a scorching 43°C (109.4°F). Attention: Heat exhaustion and heat cramps are anticipated. Prolonged effort can result in heatstroke.
Know that the heat index computations account for shaded terrains and slight winds. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', gives an indication of how one might feel in terms of heat after considering humidity. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. 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 extremely vital to babies and toddlers. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.
The body's innate mechanism to counteract overheating is through perspiration, as it leverages the cooling effects of sweat evaporation. Under high air temperature and humidity (high heat index) conditions, perspiration is limited, and the perception of heat is increased. Overheating and dehydration threats arise when heat gain goes beyond what the body can comfortably shed.

Humidity

In Peixe-Boi, the average relative humidity in December is 78%.

Rainfall

In December, in Peixe-Boi, the rain falls for 24.8 days. Throughout December, 110mm (4.33") of precipitation is accumulated. Throughout the year, in Peixe-Boi, there are 307.3 rainfall days, and 1390mm (54.72") of precipitation is accumulated.

Daylight

With an average of 12h and 12min of daylight, December has the longest days of the year in Peixe-Boi.
On the first day of the month, sunrise is at 05:52 and sunset at 18:04. On the last day of December, sunrise is at 06:06 and sunset at 18:18 -03.

Sunshine

In Peixe-Boi, the average sunshine in December is 7.4h.

UV index

The months with the lowest UV index in Peixe-Boi are January through June, August, November and December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: In December, the maximum UV index of 6 suggests these recommendations:
Shun overexposure. Protection from sun ravages is indispensable. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Opt for tightly woven and loose clothing to enhance protection from the Sun.