December weather forecastSan Joaquin, Bolivia

Weather in December

Concluding the calendar year, December in San Joaquin persists with the rainy-season characteristics. Cloud cover remains extensive, and the wet conditions keep temperatures moderated. The combination of rainfall and cloud cover creates a moist and relatively cooler ambiance. Regularly breezy weather intersperses the overall moist conditions with freshness. A slightly reduced rainfall of 174mm (6.85") caps off the year's end.

Temperature

The advent of December signifies a minor shift to an average high-temperature of a still hot 30.6°C (87.1°F), aligning closely with November. San Joaquin's average low-temperature during December nights is observed to be a moderately hot 23°C (73.4°F).

Heat index

The heat index for December is calculated to be an extremely hot 40°C (104°F). Implement more preventive measures, heat cramps and heat exhaustion are probable. Heatstroke might result from extended activity.
One should be cognizant that the heat index values are tailored for shaded spots and mild winds. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'felt air temperature', ties air temperature with relative humidity to produce the perceived temperature sensation. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.
Perspiration is essential for the human body; it facilitates cooling through the process of sweat evaporation. In the presence of abundant moisture in the atmosphere, the cooling process through evaporation is hindered, causing the body to feel excessively warm. Overheating risks increase with rising body temperatures, especially if heat release isn't efficient.

Humidity

In December, the average relative humidity in San Joaquin is 81%.

Rainfall

In San Joaquin, during December, the rain falls for 27.2 days and regularly aggregates up to 174mm (6.85") of precipitation. Throughout the year, there are 215.7 rainfall days, and 1318mm (51.89") of precipitation is accumulated.

Daylight

The month with the longest days is December, with an average of 12h and 54min of daylight.
On the first day of December in San Joaquin, sunrise is at 05:42 and sunset at 18:33. On the last day of the month, sunrise is at 05:55 and sunset at 18:48 -04.

Sunshine

In December, the average sunshine is 8.1h.

UV index

The average daily maximum UV index in December is 7. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for average individuals.
Note: In December, the UV index of 7 transforms into the following advice:
Shield from overexposure. Defense against sun-related harm is required. 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. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.