December weather forecastLajedo, Brazil

Weather in December

December, the first month of the summer in Lajedo, is still a warm month, with an average temperature fluctuating between 29.9°C (85.8°F) and 19.7°C (67.5°F).

Temperature

December, known for its average high temperature of 29.9°C (85.8°F) and an average low temperature of 19.7°C (67.5°F), is the warmest month.

Heat index

The heat index value for December is evaluated at a sweltering 35°C (95°F). Implement heightened safety measures - risk of heat exhaustion and heat cramps is increased. Prolonged activity may result in heatstroke.
It is important to note that the heat index values are for shaded areas and light wind scenarios. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance 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.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. As body temperatures escalate without effective heat release, one might face dehydration threats.

Humidity

November and December, with an average relative humidity of 70%, are the least humid months in Lajedo.

Rainfall

In Lajedo, in December, it is raining for 12 days, with typically 18mm (0.71") of accumulated precipitation. Throughout the year, in Lajedo, there are 163.1 rainfall days, and 338mm (13.31") of precipitation is accumulated.

Daylight

December has the longest days of the year in Lajedo, with an average of 12h and 36min of daylight.
On the first day of the month, sunrise is at 04:56 and sunset at 17:32. On the last day of December, in Lajedo, sunrise is at 05:09 and sunset at 17:47 -03.

Sunshine

In December, the average sunshine is 7.9h.

UV index

January through April, September through December, with an average maximum UV index of 6, are months with the highest UV index in Lajedo. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the ordinary person.
Note: A daily maximum UV index of 6 in December translates into the following instructions:
Resist overexposure. Safeguarding from solar damage is indispensable. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.