December weather forecast
União dos Palmares, Brazil

December, the first month of the summer in União dos Palmares, is a hot month, with an average temperature ranging between max 30.5°C (86.9°F) and min 20.5°C (68.9°F).

Temperature

With the start of December, União dos Palmares measures an average high-temperature of a hot 30.5°C (86.9°F), not significantly differing from November's 29.9°C (85.8°F). During the month of December, União dos Palmares's nighttime temperature lowers to an average of 20.5°C (68.9°F).

Heat index

The heat index value for December is estimated at a very hot 38°C (100.4°F). Adopt enhanced safety measures, heat exhaustion and heat cramps could occur. Continuous activity may induce heatstroke.
Be advised, the heat index considers values for conditions in shade and with a light breeze. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is an aggregate value of air's warmth and moisture to show the human-felt temperature. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
Perspiring is the body's way of cooling down, particularly by allowing sweat to evaporate and take the heat with it. When the air holds a significant amount of moisture, the efficiency of the evaporation process is decreased, preventing the body from cooling down efficiently, leading to the sensation of overheating. Inadequate heat shedding in the face of rising body temperatures hints at potential dehydration risks.

Humidity

The least humid month in União dos Palmares is December, with an average relative humidity of 76%.

Rainfall

In União dos Palmares, during December, the rain falls for 13.2 days and regularly aggregates up to 18mm (0.71") of precipitation. In União dos Palmares, during the entire year, the rain falls for 227.4 days and collects up to 480mm (18.9") of precipitation.

Daylight

With an average of 12h and 36min of daylight, December has the longest days of the year in União dos Palmares, Brazil.
On the first day of December in União dos Palmares, sunrise is at 04:54 and sunset at 17:31. On the last day of the month, sunrise is at 05:07 and sunset at 17:46 -03.

Sunshine

In União dos Palmares, the average sunshine in December is 7.2h.

UV index

January through May, September through December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: In December, the UV index of 6 transforms into the following advice:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.