December weather forecast
Tacuarembo, Uruguay

Rounding off the year, December brings the quintessential Uruguayan summer to Tacuarembó, registering a warm 28.7°C (83.7°F) in temperature. The month proffers a welcoming atmosphere for residents and visitors alike, with longer days resonating with the holiday spirit. Despite the uptick in showers, the overall feeling remains warm and inviting. Daylight reaches its annual maxim, providing ample opportunity for outdoor activities. As the UV index remains high, sun protection measures are as necessary as enjoying the season’s festivities.

Temperature

Tacuarembo observes a minor difference in average high-temperatures between November's 26.1°C (79°F) and December's 28.7°C (83.7°F). An average nighttime temperature of 17.2°C (63°F) is noted during the month of December.

Heat index

December's mean heat index is estimated at a tropical 31°C (87.8°F). Prolonged exposure combined with continuous activity could lead to exhaustion, and possibly heat cramps.
Understand that the heat index values take into account shaded locations and mild winds. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. 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. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.

Humidity

January and December, with an average relative humidity of 66%, are the least humid months.

Rainfall

In Tacuarembo, during December, the rain falls for 10 days and regularly aggregates up to 121mm (4.76") of precipitation. Throughout the year, there are 120 rainfall days, and 1427mm (56.18") of precipitation is accumulated.

Daylight

December has the longest days of the year in Tacuarembo, with an average of 14h and 12min of daylight.
On the first day of December, sunrise is at 05:31 and sunset at 19:35. On the last day of the month, sunrise is at 05:41 and sunset at 19:52 -03.

Sunshine

In December, the average sunshine is 8.8h.

UV index

The months with the highest UV index are January, February and December, with an average maximum UV index of 12. A UV Index estimate of 11, and higher, represents an extreme health hazard from unsafe exposure to UV radiation for the average person.
Note: The maximum UV index of 12 during December leads to these instructions:
Utilize every vital safety procedure. Individuals with light skin may endure burns in less than 5 minutes. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Staying too long under direct sunlight isn't advisable, particularly for those who burn quickly. Use at least a 30 SPF sunscreen for protection.