December weather forecast
Formosa, Argentina

Rounding out the year, December continues with the trend of high temperatures and copious rainfall. Between November and December, temperatures rise slightly more and the rainfall drops to 87mm (3.43") over 13.2 days. The arrival of summer is clear, giving this month an enchanting atmosphere that leaves a lasting impression on any visitor. Despite the substantial rainfall, the sunlight hours are at their longest, offering more than enough time to explore outdoors. December's typical festive celebrations, combined with Formosa's lively weather, make for an unforgettable experience.

Temperature

Formosa marks the arrival of December with an average high-temperature of a still hot 33.2°C (91.8°F), hardly different from November's 30.9°C (87.6°F). December sees the temperature falling to a mean low of 21.5°C (70.7°F).

Heat index

The heat index value for December is evaluated at a scorching 43°C (109.4°F). Mind: Heat cramps along with heat exhaustion are anticipated. Heatstroke can develop with continued physical activity.
One should be cognizant that the heat index values are tailored for shaded spots and mild winds. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are essentially critical 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.
Evaporating sweat, thanks to perspiration, acts as a natural air conditioner for the human body. Relative humidity in excess curtails evaporation, therefore reducing heat dissipation from the body, leading to feelings of excess heat. Rising body temperatures resulting from an imbalance in heat absorption can lead to potential thermal issues.

Humidity

In December, the average relative humidity in Formosa is 67%.

Rainfall

In December, the rain falls for 13.2 days. Throughout December, 87mm (3.43") of precipitation is accumulated. In Formosa, Argentina, during the entire year, the rain falls for 138.6 days and collects up to 788mm (31.02") of precipitation.

Daylight

December has the longest days of the year in Formosa, with an average of 13h and 42min of daylight.
On the first day of December, sunrise is at 05:52 and sunset at 19:31. On the last day of the month, sunrise is at 06:03 and sunset at 19:48 -03.

Sunshine

The months with the most sunshine are November and December, with an average of 10.2h of sunshine.

UV index

January, February and December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the ordinary person.
Note: In December, the maximum UV index of 7 suggests these recommendations:
Deter overexposure. Protecting against the sun's effects is essential. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.