December weather forecastLavínia, Brazil

Weather in December

December, the first month of the summer in Lavínia, is still a hot month, with an average temperature varying between 30.9°C (87.6°F) and 22.3°C (72.1°F).

Temperature

December is marked by an average high-temperature of a still tropical 30.9°C (87.6°F), almost identical to the preceding month. Lavínia reports an average nighttime low-temperature of 22.3°C (72.1°F) in December.

Heat index

The heat index in December is calculated to be a blisteringly hot 40°C (104°F). Take additional safety steps, risk of heat exhaustion and heat cramps is notable. Prolonged activity may cause heatstroke.
From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is the result of factoring in humidity to the air temperature, indicating perceived warmth. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
When it comes to cooling down, the human body's primary method is through perspiration, making use of sweat evaporation to eliminate excess heat. When the air contains significant moisture, the efficiency of the evaporation process decreases, preventing the body from cooling down effectively and creating a feeling of overheating. Rising body temperatures resulting from an imbalance in heat absorption can lead to potential thermal issues.

Humidity

The average relative humidity in December is 78%.

Rainfall

In December, the rain falls for 26.1 days. Throughout December, 171mm (6.73") of precipitation is accumulated. Throughout the year, there are 194.8 rainfall days, and 1177mm (46.34") of precipitation is accumulated.

Daylight

December has the longest days of the year, with an average of 13h and 24min of daylight.
On the first day of the month, sunrise is at 05:33 and sunset at 18:53. On the last day of December, sunrise is at 05:45 and sunset at 19:09 -03.

Sunshine

The average sunshine in December is 7.9h.

UV index

The months with the lowest UV index are January through July, September, November and December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: In December, the average maximum UV index of 6 translates into the following recommendations:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.