December weather forecast
Pastos Bons, Brazil

December, the first month of the summer in Pastos Bons, is still a tropical month, with an average temperature varying between 31.2°C (88.2°F) and 21.8°C (71.2°F).

Temperature

A minimal variation is noted in Pastos Bons's average high-temperature at the onset of December, reaching a still tropical 31.2°C (88.2°F) from November's 32.8°C (91°F). Throughout December in Pastos Bons, a steady low-temperature average of 21.8°C (71.2°F) is noted.

Heat index

The average heat index in December is calculated to be an extremely hot 40°C (104°F). Undertake enhanced precautions, heat exhaustion and heat cramps are possible risks. Continuous activity could trigger heatstroke.
Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.
To achieve cooling, the human body employs perspiration, relying on the subsequent evaporation of sweat. With a high level of moisture in the air, the evaporation process becomes less efficient, preventing the body from cooling down efficiently and resulting in a sensation of overheating. When body temperature rises due to excess heat gain beyond its removal capability, one might experience heat-related disorders.

Humidity

In December, the average relative humidity in Pastos Bons is 76%.

Rainfall

In December, the rain falls for 22.5 days. Throughout December, 89mm (3.5") of precipitation is accumulated. Throughout the year, in Pastos Bons, there are 201.9 rainfall days, and 938mm (36.93") of precipitation is accumulated.

Daylight

The month with the longest days in Pastos Bons, Brazil, is December, with an average of 12h and 30min of daylight.
On the first day of the month, sunrise is at 05:31 and sunset at 17:59. On the last day of December, in Pastos Bons, sunrise is at 05:44 and sunset at 18:14 -03.

Sunshine

The average sunshine in December is 8.4h.

UV index

January through May and December, with an average maximum UV index of 6, are months with the lowest UV index in Pastos Bons. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum daily UV index of 6 during December morphs into the following directions:
Stay clear of intense sun exposure. Solar protection is of utmost significance. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.