December weather forecast
Talca, Chile

Finally, in December, Talca, Chile invites summer with the mercury rising to a high of 29.1°C (84.4°F). Relative to November, December enjoys more sunshine hours and welcomes longer daylight periods. As typical of a summer month, rainfall levels drop and the dry weather begins to set in. This period experiences the greatest number of sunshine days and provides some of the best visibility of the year. With winds reaching maximum gust speeds of 14.2km/h (8.8mph), December concludes with the promise of another weather cycle to commence in the following January.

Temperature

The arrival of December witnesses a small shift in the average high-temperature, moving from 25.7°C (78.3°F) in November to a still warm 29.1°C (84.4°F). Throughout December, Talca notes a dramatic plunge from the daily high to an average low-temperature of 11°C (51.8°F).

Heat index

The heat index value for December is estimated at a hot 30°C (86°F). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Be advised, the heat index considers values for conditions in shade and with a light breeze. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', takes into account both air temperature and humidity to illustrate what people actually feel. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. 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 quite important for babies and toddlers. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.

Humidity

The average relative humidity in December in Talca is 53%.

Rainfall

In December, the rain falls for 1.6 days. Throughout December, 6mm (0.24") of precipitation is accumulated. Throughout the year, there are 66 rainfall days, and 445mm (17.52") of precipitation is accumulated.

Daylight

With an average of 14h and 30min of daylight, December has the longest days of the year.
On the first day of December, sunrise is at 06:24 and sunset at 20:47. On the last day of the month, sunrise is at 06:34 and sunset at 21:05 -03.

Sunshine

In Talca, the average sunshine in December is 10.6h.

UV index

January, February and December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In December, the maximum UV index of 6 suggests these recommendations:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.