December weather forecast
San Juan Nepomuceno, Paraguay

The first month of the summer, December, is still a hot month in San Juan Nepomuceno, Paraguay, with temperature in the range of an average high of 32.2°C (90°F) and an average low of 21.2°C (70.2°F).

Temperature

San Juan Nepomuceno registers an average high-temperature of a still tropical 32.2°C (90°F) at the commencement of December, closely related to the preceding month. Throughout December, the average low-temperature dips to an agreeable 21.2°C (70.2°F).

Heat index

For most parts of December, the heat index is appraised at a scorching 43°C (109.4°F). Attention: Heat exhaustion and heat cramps are quite likely. Heatstroke becomes a risk with continued exertion.
Know that the heat index computations account for shaded terrains and slight winds. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'feels like', melds the effects of warmth and moisture to generate a feeling of heat. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
Perspiring is how the human body naturally cools down, as sweat's evaporation takes away excess heat. During high air temperature and humidity (high heat index), the process of perspiration is hindered, intensifying the sensation of heat. If heat absorption isn't effectively countered by the body's cooling methods, body temperature surges, hinting at potential problems.

Humidity

In December, the average relative humidity in San Juan Nepomuceno is 74%.

Rainfall

In December, the rain falls for 18.1 days. Throughout December, 91mm (3.58") of precipitation is accumulated. Throughout the year, in San Juan Nepomuceno, there are 166.5 rainfall days, and 885mm (34.84") of precipitation is accumulated.

Daylight

The month with the longest days is December, with an average of 13h and 42min of daylight.
On the first day of the month, sunrise is at 05:43 and sunset at 19:22. On the last day of December, sunrise is at 05:54 and sunset at 19:39 -03.

Sunshine

November and December, with an average of 10.5h of sunshine, are months with the most sunshine.

UV index

January and December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 7 in December converts into the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.