December weather forecastChapicuy, Uruguay

Weather in December

December brings in summer in full swing in Chapicuy, Uruguay. Higher temperatures, decreased pressure, and lower humidity characterize this summer month. While rainfall remains consistent, longer daylight hours ensure ample sunshine throughout the day. The cloud% decreases to 22%, promising more clear, sunny days. As the closing month of the year, December upholds a warm and bright climatic atmosphere, making it perfect for celebrating the holiday season outdoors.

Temperature

Chapicuy, Uruguay, observes a slight ascent in average high-temperatures during December, adjusting from a moderately hot 27°C (80.6°F) in November to a tropical 30°C (86°F). Chapicuy cools down to an average low-temperature of 18.1°C (64.6°F) throughout the month of December.

Heat index

December's mean heat index is evaluated at a tropical 34°C (93.2°F). Adopt special protective actions against heat exhaustion and heat cramps. Long-duration activity risks heatstroke.
Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a single figure representing how weather conditions feel when combining temperature and humidity. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.

Humidity

In December, the average relative humidity is 64%.

Rainfall

In December, the rain falls for 11.6 days. Throughout December, 81mm (3.19") of precipitation is accumulated. Throughout the year, there are 116 rainfall days, and 832mm (32.76") of precipitation is accumulated.

Daylight

With an average of 14h and 12min of daylight, December has the longest days of the year.
On the first day of December, sunrise is at 05:38 and sunset at 19:42. On the last day of the month, sunrise is at 05:49 and sunset at 20:00 -03.

Sunshine

With an average of 10.9h of sunshine, December has the most sunshine of the year.

UV index

The months with the highest UV index are January and December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily high UV index of 7 during December translates into the following recommendations:
Guard oneself from overexposure. Defence against sun injury is vital. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.