December weather forecastBella Union, Uruguay

Weather in December

December, the first month of the summer in Bella Union, is a hot month, with temperature in the range of an average high of 31.2°C (88.2°F) and an average low of 18.7°C (65.7°F).

Temperature

A gentle upsurge in temperatures occurs as November gives way to December, with average highs shifting from a moderately hot 28.2°C (82.8°F) to a tropical 31.2°C (88.2°F). December nights show a substantial disparity from the daytime peak with an average low-temperature of 18.7°C (65.7°F).

Heat index

The heat index value during December is computed to be a fiery hot 37°C (98.6°F). Implement additional preventive actions, heat cramps and heat exhaustion are potential hazards. Heatstroke could follow prolonged activity.
Heat index evaluations are typically in the context of light winds and shaded environments. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', reflects the blend of air temperature and relative humidity to give a temperature impression. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values hold particular significance for children. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
One of the main methods the human body employs to cool down is by perspiring, as this process allows sweat to evaporate and remove excess heat. When relative humidity is on the rise, it curtails evaporation, thereby reducing the heat elimination from the body and causing the feeling of being excessively hot. When body temperature rises due to an imbalance in heat gain, there's a potential for dehydration and overheating.

Humidity

In Bella Union, the average relative humidity in December is 66%.

Rainfall

December is the month with the most rainfall. Rain falls for 12.5 days and accumulates 110mm (4.33") of precipitation.

Daylight

December has the longest days of the year, with an average of 14h and 6min of daylight.
On the first day of December, sunrise is at 05:40 and sunset at 19:38. On the last day of the month, sunrise is at 05:51 and sunset at 19:55 -03.

Sunshine

December has the most sunshine of the year, with an average of 10.7h of sunshine.

UV index

January and December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: A daily high UV index of 7 in December leads to these guidelines:
Shun overexposure. Protection from sun ravages is indispensable. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.