December weather forecast
Rurrenabaque, Bolivia

Closing the year, December in Rurrenabaque heralds a significant increase in rainfall with a record high of 414mm (16.3"). This elevates humidity levels and contributes to increased cloud cover, restricting the amount of sunshine. Despite the weather challenges posed by increased precipitation, the temperature remains comparatively mild, creating a comfortable climate overall. As the year concludes, residents and visitors can expect a festive season characterized by wet, warm, and somewhat cloudy conditions.

Temperature

Rurrenabaque notes an average high-temperature of a warm 29.9°C (85.8°F) in December, displaying minor variation from November. An average low-temperature of 21°C (69.8°F) is recorded during the nights in December.

Heat index

For December, the heat index is appraised at a sweltering 39°C (102.2°F). Exercise extra preventive actions, heat cramps and heat exhaustion are plausible. Continuous activity could result in heatstroke.
When assessing, remember that heat index measurements are for light winds and shaded spots. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', evaluates the perceived heat by adding the effect of moisture in the air. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
The body's inherent cooling system operates through perspiration, wherein evaporating sweat offsets excessive heat. Greater relative humidity lessens the rate of evaporation, thus decreasing the body's heat dispersal, which gives rise to a sensation of overheating. Rising body temperatures resulting from an imbalance in heat absorption can lead to potential thermal issues.

Humidity

The average relative humidity in December in Rurrenabaque is 84%.

Rainfall

The month with the most rainfall is December, when the rain falls for 28.1 days and typically aggregates up to 414mm (16.3") of precipitation.

Daylight

December has the longest days of the year in Rurrenabaque, with an average of 13h and 0min of daylight.
On the first day of December, sunrise is at 05:51 and sunset at 18:47. On the last day of the month, sunrise is at 06:04 and sunset at 19:02 -04.

Sunshine

In Rurrenabaque, Bolivia, the average sunshine in December is 7.1h.

UV index

The months with the highest UV index are January, March, April, June through December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for average individuals.
Note: The maximum UV index of 6 during December translates into these guidelines:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.