December weather forecast
Itapiratins, Brazil

December, the first month of the summer in Itapiratins, is still a hot month, with temperature in the range of an average low of 22.6°C (72.7°F) and an average high of 31°C (87.8°F).

Temperature

November's transformation into December witnesses an average high-temperature of a still tropical 31°C (87.8°F), noting a minor change from the preceding month. In the month of December, the nighttime temperature dips to a steady average of 22.6°C (72.7°F).

Heat index

The heat index in December is estimated at a blistering 40°C (104°F). More preventive actions are needed, risk of heat exhaustion and heat cramps is significant. Prolonged activity may trigger heatstroke.
Be informed that the heat index values are oriented around shady conditions and gentle breezes. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
The natural cooling mechanism in humans involves perspiration, where the evaporation of sweat balances out excessive warmth. During high air temperature and humidity (high heat index), the process of perspiration is hindered, intensifying the sensation of heat. Excessive heat gain, when not shed effectively by the body, can result in increasing body temperatures and related hazards.

Humidity

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

Rainfall

In December, in Itapiratins, the rain falls for 27.9 days. Throughout December, 133mm (5.24") of precipitation is accumulated. Throughout the year, in Itapiratins, there are 220.5 rainfall days, and 1134mm (44.65") of precipitation is accumulated.

Daylight

The month with the longest days in Itapiratins is December, with an average of 12h and 36min of daylight.
On the first day of the month, sunrise is at 05:44 and sunset at 18:19. On the last day of December, in Itapiratins, sunrise is at 05:57 and sunset at 18:33 -03.

Sunshine

In December, the average sunshine in Itapiratins is 8.9h.

UV index

January, April and December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the ordinary person.
Note: A maximum high UV index of 6 in December translates into the following recommendations:
Guard against overexposure. Protection from sun-induced harm is essential. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.