December weather forecastHeimtal, Brazil

Weather in December

December, the first month of the summer in Heimtal, is also a moderately hot month, with an average temperature ranging between max 29.4°C (84.9°F) and min 19.5°C (67.1°F).

Temperature

With the arrival of December, an average high temperature of a still warm 29.4°C (84.9°F) is noted, consistent with that of November. Throughout December in Heimtal, a steady low-temperature average of 19.5°C (67.1°F) is noted.

Heat index

For December, the heat index is evaluated at a very hot 36°C (96.8°F). Greater safety measures are needed, risk of heat exhaustion and heat cramps is high. Continuous activity might trigger heatstroke.
Data suggests that the heat index is set for environments in shade and with a light wind. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
One of the main methods the human body employs to cool down is by perspiring, as this process allows sweat to evaporate and remove excess heat. In the presence of abundant moisture in the atmosphere, the cooling process through evaporation is hindered, causing the body to feel excessively warm. Excessive heat gain, when not shed effectively by the body, can result in increasing body temperatures and related hazards.

Humidity

The average relative humidity in December in Heimtal is 80%.

Rainfall

In Heimtal, in December, during 23.4 rainfall days, 111mm (4.37") of precipitation is typically accumulated. Throughout the year, there are 186.6 rainfall days, and 1019mm (40.12") of precipitation is accumulated.

Daylight

The month with the longest days in Heimtal, Brazil, is December, with an average of 13h and 30min of daylight.
On the first day of the month, sunrise is at 05:29 and sunset at 18:57. On the last day of December, in Heimtal, sunrise is at 05:41 and sunset at 19:14 -03.

Sunshine

In Heimtal, Brazil, the average sunshine in December is 7.9h.

UV index

The months with the lowest UV index are February, April through July and December, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.
Note: In December, a daily UV index of 5 turns into the following recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.