December weather forecast
Nortelândia, Brazil

The first month of the summer, December, is still a tropical month in Nortelândia, Brazil, with an average temperature fluctuating between 30°C (86°F) and 21.8°C (71.2°F).

Temperature

Nortelândia, Brazil, experiences a transition to a still tropical 30°C (86°F) in average high-temperatures with the arrival of December, not greatly differing from November's 30.8°C (87.4°F). Nortelândia reports an average nighttime low-temperature of 21.8°C (71.2°F) in December.

Heat index

The heat index value during December is calculated to be a torrid 39°C (102.2°F). Implement additional preventive actions, heat cramps and heat exhaustion are potential hazards. Heatstroke could follow prolonged activity.
It is emphasized that the heat index's values are meant for shaded zones with mild winds. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', combines air temperature and relative humidity to represent a human perceived temperature equivalent. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.
In response to overheating, the human body perspires to cool down, mainly through the evaporation of sweat. An upsurge in relative humidity affects normal body cooling mechanisms by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. Temperature imbalances caused by excessive heat retention can trigger heat-related maladies.

Humidity

The average relative humidity in December in Nortelândia is 83%.

Rainfall

In Nortelândia, in December, it is raining for 28.2 days, with typically 183mm (7.2") of accumulated precipitation. In Nortelândia, during the entire year, the rain falls for 208 days and collects up to 1253mm (49.33") of precipitation.

Daylight

The month with the longest days in Nortelândia is December, with an average of 13h and 0min of daylight.
On the first day of the month, sunrise is at 05:08 and sunset at 18:04. On the last day of December, in Nortelândia, sunrise is at 05:21 and sunset at 18:19 -04.

Sunshine

The average sunshine in December in Nortelândia is 7.1h.

UV index

The months with the lowest UV index in Nortelândia are January through June, November and December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for average individuals.
Note: In December, the maximum UV index of 6 suggests this advice:
Deflect overexposure. Sun protection is a necessity. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Stay sun-safe with clothing that is both closely woven and worn loosely.